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Earth Leakage Breakers (Low Capacity)（Ampere frame AF：100AF to 199AF）
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MITSUBISHI
Size as is, increased blocking performance. (general-purpose product)
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 50 50 30 3 / 4 100-440V 15 ～ 125 30 ～ 100/200/500 switching DIN rail mount PSE 130 90 ～ 120 90 - Surface type Days to Ship: Số ngày giao hàng: Quote 
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Earth Leakage Circuit Breaker NV-C Class (Economy Product) Harmonic/Surge Compatible NV125-CV
MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 30 30 10 3 AC100-440 60 ～ 125 30 ～ 100· 200· 500 switch Fasten With Screws PSE 130 90 90 Available Surface type From: 2,056,250 VND Days to Ship: Số ngày giao hàng: Quote
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Earth Leakage Circuit Breakers (ELCB) NV-SVU Series
MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 50 - 30 3 AC120-480 60 ～ 100 30 ～ 100· 200· 500 switch Fasten With Screws PSE / CE / TUV / CCC 160 90 90 Available Surface type From: 14,880,000 VND Days to Ship: Số ngày giao hàng: Quote
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Earth Leakage Circuit Breakers (ELCB) NV-CVFU Series
MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 15 - 10 3 AC120-240 60 ～ 100 30 ～ 100· 200· 500 switch DIN/Screw retention PSE / CE / TUV 150 75 90 Available Surface type From: 5,956,250 VND Days to Ship: Số ngày giao hàng: Quote
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Earth Leakage Circuit Breakers (ELCB) NV-HVU Series
MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 100 - 50 3 AC120-480 60 ～ 100 30 ～ 100· 200· 500 switch Fasten With Screws PSE / CE / TUV / CCC 160 90 90 Available Surface type From: 18,595,000 VND Days to Ship: Số ngày giao hàng: Quote
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MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF 50 50 25 3 AC100-440 100 30 DIN/Screw retention PSE 130 75 90 Available Surface type From: 10,940,000 VND Days to Ship: Số ngày giao hàng: Quote
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Earth Leakage Circuit Breakers (ELCB) NV-NCV Series NV125-NCV
MITSUBISHI
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 100AF to 199AF - - - 3 AC100/200 75 100· 200· 500 switch Fasten With Screws PSE 130 90 90 - Surface type From: 5,517,500 VND Days to Ship: Số ngày giao hàng: Quote
Quote
| BrandNhãn hiệu |
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| Product SeriesDòng sản phẩm |
| From |
| Days to ShipSố ngày giao hàng |
| Ampere frame AF |
| Rated block capacity AC 100 V(kA) |
| Rated block capacity AC 200 V(kA) |
| Rated block capacity AC 400 V(kA) |
| Number of Poles |
| Rated Operating Voltage(V) |
| Rated Current(A) |
| rate sensitivity current(mA) |
| Mounting Method |
| Representative Standard |
| Dimension height(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 |
| Connection Method |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI |
| Product SeriesDòng sản phẩm | Earth Leakage Circuit Breaker NV-C Class (Economy Product) Harmonic/Surge Compatible NV125-CV | Earth Leakage Circuit Breakers (ELCB) NV-NCV Series NV125-NCV | |||||
| From | 2,056,250 VND | 14,880,000 VND | 5,956,250 VND | 18,595,000 VND | 10,940,000 VND | 5,517,500 VND | |
| Days to ShipSố ngày giao hàng | Quote | Quote | Quote | Quote | Quote | Quote | Quote |
| Ampere frame AF | 100AF to 199AF | 100AF to 199AF | 100AF to 199AF | 100AF to 199AF | 100AF to 199AF | 100AF to 199AF | 100AF to 199AF |
| Rated block capacity AC 100 V(kA) | 50 | 30 | 50 | 15 | 100 | 50 | - |
| Rated block capacity AC 200 V(kA) | 50 | 30 | - | - | - | 50 | - |
| Rated block capacity AC 400 V(kA) | 30 | 10 | 30 | 10 | 50 | 25 | - |
| Number of Poles | 3 / 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| Rated Operating Voltage(V) | 100-440V | AC100-440 | AC120-480 | AC120-240 | AC120-480 | AC100-440 | AC100/200 |
| Rated Current(A) | 15 ～ 125 | 60 ～ 125 | 60 ～ 100 | 60 ～ 100 | 60 ～ 100 | 100 | 75 |
| rate sensitivity current(mA) | 30 ～ 100/200/500 switching | 30 ～ 100· 200· 500 switch | 30 ～ 100· 200· 500 switch | 30 ～ 100· 200· 500 switch | 30 ～ 100· 200· 500 switch | 30 | 100· 200· 500 switch |
| Mounting Method | DIN rail mount | Fasten With Screws | Fasten With Screws | DIN/Screw retention | Fasten With Screws | DIN/Screw retention | Fasten With Screws |
| Representative Standard | PSE | PSE | PSE / CE / TUV / CCC | PSE / CE / TUV | PSE / CE / TUV / CCC | PSE | PSE |
| Dimension height(mm) | 130 | 130 | 160 | 150 | 160 | 130 | 130 |
| Dimension width(mm) | 90 ～ 120 | 90 | 90 | 75 | 90 | 75 | 90 |
| Dimension depth(mm) | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | - | Available | Available | Available | Available | Available | - |
| Connection Method | Surface type | Surface type | Surface type | Surface type | Surface type | Surface type | Surface type |
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ConfigureTạo
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Ampere frame AF
- 30AF or less
- 50AF
- 60AF
- 100AF to 199AF
- 400AF or higher
- Other
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Rated block capacity AC 100 V(kA)
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Rated block capacity AC 200 V(kA)
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Rated block capacity AC 400 V(kA)
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Number of Poles
- 2
- 3
- 4
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Rated Operating Voltage(V)
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Rated Current(A)
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rate sensitivity current(mA)
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Mounting Method
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Representative Standard
-
Dimension height(mm)
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Dimension width(mm)
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Dimension depth(mm)
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Rated block capacity, voltages except VAC 100/200/400, VDC 250
- Available
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Connection Method
- Surface type
Related Categories to Earth Leakage Breakers (Low Capacity)Danh mục liên quan đến Earth Leakage Breakers (Low Capacity)
FAQ Earth Leakage Breakers (Low Capacity)
- Question: What is the function and capacity of an Earth Leakage Circuit Breaker (ELCB)?
- Answer: An Earth Leakage Circuit Breaker (ELCB) is a crucial safety device in electrical installations. Its primary function is to protect individuals from electric shock by automatically disconnecting the power supply when a fault occurs. ELCBs are designed to detect imbalances in the current flowing between live and neutral conductors. When a leakage current exceeds its rated value (typically 30mA or 100mA), the ELCB trips, interrupting the circuit and preventing potentially fatal injuries. This rapid response time ensures immediate protection against electric shock hazards.
- Question: What are the typical reasons for an ELCB to trip, and how does one troubleshoot it?
- Answer: ELCB Tripping: Reasons and Troubleshooting
Common Reasons:
1.Earth Leakage: Current flows through unintended path (faulty appliance, wiring, water).
2.Circuit Overload: Current exceeds ELCB's rating (too many appliances).
3.Nuisance Trips: High sensitivity, electrical noise, power surges.
4.Troubleshooting:
Identify affected circuit and appliances.
1.Turn off all appliances and reset ELCB.
2.Switch on appliances one by one to find the culprit.
3.Repair/replace faulty appliance or fix wiring.
4.Test ELCB again with all appliances on. - Question: How does one determine the appropriate tripping capacity and minimum rating for an ELCB?
- Answer: 1. Tripping Capacity: This depends on potential fault currents and the maximum allowable leakage. Factors include:
- Fault Current Loop Impedance: The resistance of the path the fault current takes to Earth, influencing how quickly the ELCB trips.
- Maximum Earth Fault Current: The highest current the ELCB should allow to flow before tripping, typically 30mA or 100mA.
2.Minimum Current Rating: This is based on the circuit's maximum current demand and needs to be equal to or higher than the expected circuit load. Factors include:
- Circuit Load: The total current drawn by all appliances connected to the circuit.
- Diversity Factor: Considers that all appliances won't operate at maximum load simultaneously. - Question: What are the standard sizes of earth leakage, and how do you calculate the correct size for your needs?
- Answer: Earth leakage circuit breakers (ELCBs) come in a range of standard sizes, typically specified by their rated current (In) and tripping sensitivity (IΔn). Common sizes include:
1.Current (In): 16A, 20A, 25A, 32A, 40A, 63A, 80A, 100A, 125A
2.Sensitivity (IΔn): 30mA, 100mA, 300mA
Choosing the correct size for your needs involves two main considerations:
1.Maximum Current Demand: Calculate the total current drawn by all appliances connected to the circuit.
2.Tripping Sensitivity: Based on safety requirements and potential fault scenarios.
Example: Sum all appliance currents:
Appliance A: 300W (1.3A)
Appliance B: 500W (2.17A)
Total current demand: 3.47A
This means you need an ELCB with a rated current (In) equal to or greater than 3.47A. - Question: How do you measure earth leakage current, and what is the acceptable range for safety standards?
- Answer: Measuring earth leakage current requires a specialized instrument called an earth leakage clamp meter. It clamps around the earth conductor of the circuit and measures the current flowing through it. Acceptable levels for safety vary depending on regulations and application:
- IEC 60364-4-42: 30mA maximum for general residential installations.
- BS 7671: 30mA for most domestic circuits, 100mA for specific situations (e.g., bathrooms).
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