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  • Do bão Yagi, thời gian giao hàng đối với khách miền Bắc sẽ kéo dài thêm 2-3 ngày hoặc hơn. Xin Quý khách thông cảm!
    Due to Typhoon Yagi, delivery time for Northern customers will be extended by 2-3 days or more. We appreciate your understanding!

Limit Switch(Rated Operating Voltage:DC125V)

Limit Switch is used to detect the presence or absence of an object and monitor the position of a moving part for example detection of incorrectly set work, loose screws, and check the status a door of machine. They find widespread application across various industries, such as automation systems, food and pharmaceutical industries, and electronics industries. When selecting Limit Switch it is crucial to consider factors such as Detector Shape (e.g., Rod Shape, Plunger Type, Lever Shape (Push) and so on), Environment (General, Cold/Heat Resistant, Water Resistant) Plunger and Lever Shape. These considerations are vital for ensuring the production of high-quality products. We highly recommend reputable brands like OMRON and RS Pro. Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on Limit Switch and related products. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide advice and guidance.
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  • You can add up to 6 items per a category to the compare list. Sale

    Two-Circuit Limit Switch [WL-N/WL]
    Two-Circuit Limit Switch [WL-N/WL]
    Two-Circuit Limit Switch [WL-N/WL]
    Two-Circuit Limit Switch [WL-N/WL]
    Sale

    Two-Circuit Limit Switch [WL-N/WL]

    OMRON

    The 2-circuit limit switch with variety of models that can be selected matching to the usage environment and application.[Features]· Circuit will break without fail by using 2-circuit double-break.· Structure suitable to IP67 due to O ring and/or cover seal.· Overseas approval corresponding to the machines for export approved by UL, CSA, TUV, EN/IEC, CCC.· Most suitable to machines for export.· Optimum high accuracy type in controlling the position is available in all types.· Movement till operation is less (about 5°) but repeatability is two times of standard type

    CAD :
    2D / 3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type / Roller Lever Type (Rotary) / Rod Shape Standard Standard / Outdoor Corrosion Resistant / Cold Resistant / Heat Resistant Top Plunger / Ball Plungers / Roller Plungers / PerpendiCular Side Roller Plungers / Side Surface Plunger / Side Surface Ball Plunger - Standard / Fork Lever Lock / Variable Roller Lever / Variable Rod Lever / Spring Rod Lever - Variable Metal Rod / Spring + Metal Rod / Spring + Resin Rod 2-Circuit Double Break - - DC125V 0.1 ~ 20
    From: 459,821 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list. Sale

    Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]
    Sale

    Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]

    OMRON

    Next generation safety door switch supporting multi-contact, man-hours saving and micro load[Features]· As regards the contact structure, in addition of the conventional 1NC/1NO, 2NC, three type of 2NC/1NO, 3NC are available.· M12 connector type easy to replace and saving man-hours is also released.· Standardized au clad contact with high contact reliability.· Supports both i.e. general load and micro load.· Metallic head variation

    CAD :
    2D / 3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Others Small Type Standard / Cold Resistant - - - - - Mutually Insulated Double Throw - - DC125V 2.5
    From: 627,000 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list. Sale

    Small Solenoid Lock / Safety Door Switch [D4SL-N]
    Sale

    Small Solenoid Lock / Safety Door Switch [D4SL-N]

    OMRON

    General-purpose enclosed switch with high shut-off capacity and high durability[Features]· ZE, ZV, and ZV2 types have built-in Z type general-purpose basic switch.· Highly durable and has a large shutoff capacity.· There are three types of mounting methods: side, bottom and side diagonal, as well as abundant actuator types.· Connecting is easy since the terminal of the built-in switch is on the front when the cover is removed.· Models with ground terminals support CE Marking.· UL/CSA/CCC certified (contact the manufacturer for the certification format).

    CAD :
    2D / 3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Others Small Type Standard - - - - - Mutually Insulated Double Throw - - DC125V 1
    From: 2,902,050 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list. Sale

    Small Safety Limit Switch [D4N]
    Small Safety Limit Switch [D4N]
    Small Safety Limit Switch [D4N]
    Small Safety Limit Switch [D4N]
    Small Safety Limit Switch [D4N]
    Sale

    Small Safety Limit Switch [D4N]

    OMRON

    Safety limit switch standards. Enriched products provided globally

    CAD :
    3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type / Roller Lever Type (Rotary) / Rod Shape Standard / Small Type Standard / Cold Resistant Top Plunger / Roller Plungers - Standard / Fork Lever Lock / Variable Roller Lever One Way Roller Horizontal / Arm Lever Spring + Resin Rod Mutually Insulated Double Throw / 2-Circuit Double Break Rivet - DC125V 2.5
    From: 320,050 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Compact Sealed Switch [ZC-□55]

    Compact Sealed Switch [ZC-□55]

    OMRON

    Compact seal switch with high durability (10 million times), and high accuracy[Features]· Compact and high accuracy seal switch: Compact and high accuracy seal switch with high durability of 10 million times or more, and high repeatability due to built-in micro switch.· Fitting pitch same as Z type.· Power required for operation (OF) is less as compared to the general limit switch.· Operation display convenient for maintenance and inspection is also available.· Approved by EN(TüV), UL, CCC.

    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type Small Type Standard Top Plunger - - - - Single Pole Double Throw - - DC125V -
    From: 624,096 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]
    Slim Type Safety / Door Switch [D4GS-N]

    Slim Type Safety / Door Switch [D4GS-N]

    OMRON

    [Features]· IP67 compliant thin door switch.· Slim type with 17 mm width (3 contacts).· Possible to use on front or back surface due to reversible structure.· Built-in switch available with 2 contacts and 3 contacts.· Operation key uses a structure to absorb vibration and shocks using rubber in fitting hole.· Protective structure IP67

    CAD :
    3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Others Standard Standard - - - - - Mutually Insulated Double Throw - - DC125V 2.5
    From: 174,000 VND
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Small Electromagnetic Lock Safety Door Switch [D4NL]

    Small Electromagnetic Lock Safety Door Switch [D4NL]

    OMRON

    Best selling, compact, multi-contact with variety of variations

    CAD :
    2D / 3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type Small Type Standard Top Plunger - - - - Mutually Insulated Double Throw - - DC125V 2.5
    From: 2,450,000 VND
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Compact Enclosed Switch [SHL]

    Compact Enclosed Switch [SHL]

    OMRON

    [Features]· Compact general-purpose horizontal type· Series of micro load types is also made.· Built-in coil spring system switch boasting high durability in robust, precise die-cast case.· Compact and can be used in applications wherein single usage of micro switch is very unsafe

    CAD :
    2D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type / Lever Shape (Push) Small Type Standard / Oil Resistant / Dust Resistant Top Plunger / Roller Plungers - - Hinge Lever / Hinge Roller Levers - Single Pole Double Throw - - DC125V 15
    From: 343,000 VND
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list. Sale

    Small Safety Limit Switch [D4F]
    Sale

    Small Safety Limit Switch [D4F]

    OMRON

    World's smallest class. Safety limit switch[Features]· Limit switch with world's smallest direct opening operation mechanism (4 contacts).· Safety limit switch with high sensitivity.· Built-in switch available with 2 contacts/4 contacts.· An IP67 protective structure.· Compatible with EN115-1, EN81-1 and EN81-2 (slow-action type only.)· Approved by UL, EN(TÜV), CCC

    CAD :
    3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type / Roller Lever Type (Rotary) Small Type Standard / Cold Resistant Roller Plungers - Standard - - Mutually Insulated Double Throw - - DC125V 2.5
    From: 1,567,430 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list. Sale

    Safety Limit Switch [D4B-□N]
    Sale

    Safety Limit Switch [D4B-□N]

    OMRON

    Robust safety limit switch with metallic housing. Direct opening mechanism in both of slow action type, and snap action type[Features]· Direct opening mechanism (only at NC contact side) to separate contact at the time of fault in contact welding.· Safety of lever setting is achieved by using operation position display board and mechanism by which lever is interlocked.· Proper operation zone display mechanism is also available.· Moreover, changing of direction of lateral movement is also by one-touch.· Improvement in sealing property by strengthening the seal structure of head part (meets TÜ V: IECIP67, UL: NEMA3, 4, 4X, 6P,13).· Wide available temperature range of - 40 to +80°C.· Approved by UL, CSA, EN(TÜV), CCC

    CAD :
    3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type / Roller Lever Type (Rotary) Standard Standard / Cold Resistant Top Plunger / Roller Plungers - Standard / Variable Roller Lever One Way Roller Horizontal - Mutually Insulated Double Throw / 2-Circuit Double Break - - DC125V 10
    From: 1,168,040 VND
    Special Price
    Days to Ship: Số ngày giao hàng: Same day or more
    day to ship Same day or more
  • You can add up to 6 items per a category to the compare list.

    Small safety door hinge door switch

    Small safety door hinge door switch

    OMRON

    Compact safety hinge door switch made up of resin and supporting reduction in space of machine

    CAD :
    3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    No Lever Type (Knurled Shaft) / Others Small Type Standard / Cold Resistant Side Surface Plunger - - - - Mutually Insulated Double Throw - - DC125V 2.5
    From: 1,283,071 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Solenoid Lock / Safety Door Switch / Slide Key Unit [D4JL/D4JL-SK40]

    Solenoid Lock / Safety Door Switch / Slide Key Unit [D4JL/D4JL-SK40]

    OMRON

    Lock Strength 3,000 N[Features]· Various monitoring patterns can be used thanks to 2 circuits + 2 contacts in the safety circuit.· It uses gold clad contacts as standard and supports both general load and micro load. The trap key type helps avoid the danger of being left behind within the fence.· A rear release button type that allows unlocking from the inside and egress even when locked within the fence.· Protection degree IP67.

    CAD :
    2D / 3D
    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Others Standard Standard - - - - - Mutually Insulated Double Throw - - DC125V 10
    From: 4,313,461 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Compact Insertion Switch

    Compact Insertion Switch

    OMRON

    Compact and high accuracy seal switch[Features]· Compact and high accuracy seal switch with high durability of 10 million times or more, and high repeatability due to built-in micro switch.· Fitting pitch same as Z type.· Power required for operation (OF) is less as compared to the general limit switch.· Operation display convenient for maintenance and inspection is also available.· Approve by EN(TÜV), UL, CCC

    Detector Shape Main Body Size Environment Plunger Shape Type Number of Plunger Rows Roller Lever Shape Type Lever Shape Type Rod Shape Type Contact Type Contact Point Type Contact Material Rated Operating Voltage(V) Rated Conductance Current(A)
    Plunger Type Small Type Standard Top Plunger - - - - Single Pole Double Throw - - DC125V -
    From: 610,200 VND
    Days to Ship: Số ngày giao hàng: Same day
    day to ship Same day
BrandNhãn hiệu
Product SeriesDòng sản phẩm
CADCAD
From
Days to ShipSố ngày giao hàng
Detector Shape
Main Body Size
Environment
Plunger Shape Type
Number of Plunger Rows
Roller Lever Shape Type
Lever Shape Type
Rod Shape Type
Contact Type
Contact Point Type
Contact Material
Rated Operating Voltage(V)
Rated Conductance Current(A)

    You can add up to 6 items per a category to the compare list.Sale

    Two-Circuit Limit Switch [WL-N/WL]
      Two-Circuit Limit Switch [WL-N/WL]
      Two-Circuit Limit Switch [WL-N/WL]
      Two-Circuit Limit Switch [WL-N/WL]

        You can add up to 6 items per a category to the compare list.Sale

        Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]

            You can add up to 6 items per a category to the compare list.Sale

            Small Solenoid Lock / Safety Door Switch [D4SL-N]

                You can add up to 6 items per a category to the compare list.Sale

                Small Safety Limit Switch [D4N]
                  Small Safety Limit Switch [D4N]
                  Small Safety Limit Switch [D4N]
                  Small Safety Limit Switch [D4N]
                  Small Safety Limit Switch [D4N]

                    You can add up to 6 items per a category to the compare list.

                    Compact Sealed Switch [ZC-□55]

                        You can add up to 6 items per a category to the compare list.

                        Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]
                          Slim Type Safety / Door Switch [D4GS-N]

                            You can add up to 6 items per a category to the compare list.

                            Small Electromagnetic Lock Safety Door Switch [D4NL]

                                You can add up to 6 items per a category to the compare list.

                                Compact Enclosed Switch [SHL]

                                    You can add up to 6 items per a category to the compare list.Sale

                                    Small Safety Limit Switch [D4F]

                                        You can add up to 6 items per a category to the compare list.Sale

                                        Safety Limit Switch [D4B-□N]

                                            You can add up to 6 items per a category to the compare list.

                                            Small safety door hinge door switch

                                                You can add up to 6 items per a category to the compare list.

                                                Solenoid Lock / Safety Door Switch / Slide Key Unit [D4JL/D4JL-SK40]

                                                    You can add up to 6 items per a category to the compare list.

                                                    Compact Insertion Switch
                                                      BrandNhãn hiệu

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      OMRON

                                                      Product SeriesDòng sản phẩm

                                                      Two-Circuit Limit Switch [WL-N/WL]

                                                      Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]

                                                      Small Solenoid Lock / Safety Door Switch [D4SL-N]

                                                      Small Safety Limit Switch [D4N]

                                                      Compact Sealed Switch [ZC-□55]

                                                      Slim Type Safety / Door Switch [D4GS-N]

                                                      Small Electromagnetic Lock Safety Door Switch [D4NL]

                                                      Compact Enclosed Switch [SHL]

                                                      Small Safety Limit Switch [D4F]

                                                      Safety Limit Switch [D4B-□N]

                                                      Small safety door hinge door switch

                                                      Solenoid Lock / Safety Door Switch / Slide Key Unit [D4JL/D4JL-SK40]

                                                      Compact Insertion Switch

                                                      CADCAD
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 3D
                                                      • 3D
                                                      • 2D / 3D
                                                      • 2D
                                                      • 3D
                                                      • 3D
                                                      • 3D
                                                      • 2D / 3D
                                                      From

                                                      459,821 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      627,000 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      2,902,050 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      320,050 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      624,096 VND

                                                      174,000 VND

                                                      2,450,000 VND

                                                      343,000 VND

                                                      1,567,430 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      1,168,040 VND

                                                      Special Price

                                                      On Sale Till 31/03/2025

                                                      1,283,071 VND

                                                      4,313,461 VND

                                                      610,200 VND

                                                      Days to ShipSố ngày giao hàng Same day or more Same day or more Same day or more Same day or more 6 Day(s) or more Same day or more Same day or more Same day or more Same day or more Same day or more 6 Day(s) or more 6 Day(s) or more Same day
                                                      Detector ShapePlunger Type / Roller Lever Type (Rotary) / Rod ShapeOthersOthersPlunger Type / Roller Lever Type (Rotary) / Rod ShapePlunger TypeOthersPlunger TypePlunger Type / Lever Shape (Push)Plunger Type / Roller Lever Type (Rotary)Plunger Type / Roller Lever Type (Rotary)No Lever Type (Knurled Shaft) / OthersOthersPlunger Type
                                                      Main Body SizeStandardSmall TypeSmall TypeStandard / Small TypeSmall TypeStandardSmall TypeSmall TypeSmall TypeStandardSmall TypeStandardSmall Type
                                                      EnvironmentStandard / Outdoor Corrosion Resistant / Cold Resistant / Heat ResistantStandard / Cold ResistantStandardStandard / Cold ResistantStandardStandardStandardStandard / Oil Resistant / Dust ResistantStandard / Cold ResistantStandard / Cold ResistantStandard / Cold ResistantStandardStandard
                                                      Plunger Shape TypeTop Plunger / Ball Plungers / Roller Plungers / PerpendiCular Side Roller Plungers / Side Surface Plunger / Side Surface Ball Plunger--Top Plunger / Roller PlungersTop Plunger-Top PlungerTop Plunger / Roller PlungersRoller PlungersTop Plunger / Roller PlungersSide Surface Plunger-Top Plunger
                                                      Number of Plunger Rows-------------
                                                      Roller Lever Shape TypeStandard / Fork Lever Lock / Variable Roller Lever / Variable Rod Lever / Spring Rod Lever--Standard / Fork Lever Lock / Variable Roller Lever----StandardStandard / Variable Roller Lever---
                                                      Lever Shape Type---One Way Roller Horizontal / Arm Lever---Hinge Lever / Hinge Roller Levers-One Way Roller Horizontal---
                                                      Rod Shape TypeVariable Metal Rod / Spring + Metal Rod / Spring + Resin Rod--Spring + Resin Rod---------
                                                      Contact Type2-Circuit Double BreakMutually Insulated Double ThrowMutually Insulated Double ThrowMutually Insulated Double Throw / 2-Circuit Double BreakSingle Pole Double ThrowMutually Insulated Double ThrowMutually Insulated Double ThrowSingle Pole Double ThrowMutually Insulated Double ThrowMutually Insulated Double Throw / 2-Circuit Double BreakMutually Insulated Double ThrowMutually Insulated Double ThrowSingle Pole Double Throw
                                                      Contact Point Type---Rivet---------
                                                      Contact Material-------------
                                                      Rated Operating Voltage(V)DC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125VDC125V
                                                      Rated Conductance Current(A)0.1 ~ 202.512.5-2.52.5152.5102.510-

                                                      Loading...Tải…

                                                      1. 1

                                                      Related Categories to Limit SwitchDanh mục liên quan đến Limit Switch

                                                      FAQ Limit Switch

                                                      Question: Can the Limit switch be used for doors?
                                                      Answer: Yes, limit switches can be used for door safety functions. In fact, they are commonly used in industries to ensure the safe operation of doors, gates, and access points in automated systems. To use a limit switch for door safety, you would need a "safety limit switch."

                                                      There are two main types of safety limit switches suitable for door safety:

                                                      Mechanical Safety Limit Switches: These switches have a physical actuator that comes into contact with the door or gate, triggering the switch when the door reaches a certain position. They can be used to detect when the door is fully open or closed.

                                                      Non-Contact Safety Limit Switches: Also called "safety interlock switches" or "coded magnet switches," these use non-contact technology to detect the presence or alignment of a magnet on the door. They are more tamper-resistant and are often used in critical safety applications.
                                                      Question: What is the purpose of a Limit switch with a long lever?
                                                      Answer: A limit switch with a long lever serves the purpose of detecting the presence, absence, or position of an object with a larger range of movement. The long lever acts as an extension, allowing the switch to respond to changes in position over a greater distance. This type of switch is commonly used in applications where the movement of the object being sensed is not directly aligned with the switch itself.

                                                      For example, imagine a conveyor belt where products of varying sizes move along. A limit switch with a long lever could be positioned such that the lever comes into contact with the products. As each product passes by, it engages the lever, causing the switch to activate. The longer lever provides the necessary reach to detect objects that might be positioned farther away from the switch housing.

                                                      In simpler terms, a limit switch with a long lever is like having an extended arm that can reach out and touch something that's not right next to it.
                                                      Question: How do I connect or install a limit switch?
                                                      Answer: Step by step to install the limit switch
                                                      1. Choose Mounting Location: Determine where you want to install the limit switch. Make sure it's strategically placed to sense the desired movement or position.
                                                      2. Prepare Mounting Surface: If needed, prepare the surface by drilling holes for mounting screws or bolts. Ensure the surface is clean and flat.
                                                      3. Mounting: Attach the limit switch to the mounting surface using screws, bolts, or a bracket provided with the switch. Ensure the switch is securely fixed and aligned properly.
                                                      4. Connect Wiring: Refer to the manufacturer's wiring diagram or schematic for guidance. Typically, limit switches have several terminals: common (COM), normally open (NO), and normally closed (NC). Connect wires from your control system to these terminals based on your application's requirements.
                                                      5. Wire Connection: Strip the ends of the wires and attach them to the appropriate terminals. Use screw terminals, crimp connectors, or other suitable methods as specified by the switch's manual.
                                                      6. Secure Wires: Make sure the wires are properly secured and won't be pinched or pulled when the machine or system operates.
                                                      7. Adjust Actuator: If the limit switch uses an actuator (lever, roller, etc.), adjust its position so that it's activated when the desired movement or position is reached.
                                                      8. Test the Installation: Carefully test the limit switch by manually triggering its actuator to see if it activates and deactivates correctly. Make any necessary adjustments if it's not functioning as expected.
                                                      9. Final Check: Double-check all connections, screws, and adjustments to ensure everything is secure and properly aligned.
                                                      10. Power On: Power up the system and observe the limit switch's behavior during regular operation. Confirm that it accurately detects the intended movement or position.