Molded Case Circuit Breakers (MCCB) NF-CV/SV
· Molded Case Circuit Breakers (MCCB) NF-CV/SV series from MITSUBISHI.
· Rated Current Range: 3.4A to 63A (varies by model)
· Number of Poles: 2, 3, or 4 (model-dependent)
· Rated Insulation Voltage: 500V or 600V (model-dependent)
· Rated Short-Circuit Breaking Capacity: AC voltages: 230V to 690V, DC voltage: 250V (for some models)
· Short-Circuit Breaking Capacity Range: 2.5/2.5 kA to 75/75 kA (varies by voltage and model)
· Standard Attached Parts: Terminal screw: M5×14, Mounting screw: M4×0.7×55 and Insulation barrier
NF-MB Type MCCB for MITSUBISHI Circuit Breakers Protection: Specification Table
| Frame A | 30 | 32 | 50 | 100 | ||||
|---|---|---|---|---|---|---|---|---|
| Circuit Breakers Model | NF32-SV | NF63-CV | NF63-SV | NF-125-SV | ||||
| Number of Poles | 3 | 3 | 3 | 3 | 3 | |||
| Rated Insulation Voltage Ui (V) | 500 | 500 | 500 | 500 | 500 | |||
| Rated Short Circuit Breaking Capacity (kA) | JIS C 8201-2-1 Ann.1 JIS C 8201-2-1 Ann.2 IEC 60947-2 EN 60947-2 (Icu/Ics) | AC | 440 V | 2.5/2.5 | 2.5/2.5 | 2.5/2.5 | 7.5/7.5 | 25/25 |
| 415 V | 2.5/2.5 | 2.5/2.5 | 2.5/2.5 | 7.5/7.5 | 30/30 | |||
| 400 V | 5/5 | 5/5 | 5/5 | 7.5/7.5 | 30/30 | |||
| 380 V | 5/5 | 5/5 | 5/5 | 7.5/7.5 | 30/30 | |||
| 230 V | 7.5/7.5 | 7.5/7.5 | 7.5/7.5 | 15/15 | 50/50 | |||
| GB 14048.2 (Icu/Ics) | AC | 415 V | 2.5/2.5 | 2.5/2.5 | 2.5/2.5 | 7.5/7.5 | 30/30 | |
| 400 V | 5/5 | 5/5 | 5/5 | 7.5/7.5 | 30/30 | |||
| 380 V | 5/5 | 5/5 | 5/5 | 7.5/7.5 | 30/30 | |||
| 230 V | 7.5/7.5 | 7.5/7.5 | 7.5/7.5 | 15/15 | 50/50 | |||
| NK (Icu/Ics) | AC | 450 V | 2.5/2.5 | 2.5/2.5 | 2.5/2.5 | 7.5/7.5 | 25/25 | |
| 240 V | 7.5/7.5 | 7.5/7.5 | 7.5/7.5 | 15/15 | 50/50 | |||
| Rated Impulse Withstand Voltage Uimp (kV) | 8 | 8 | 8 | 8 | 8 | |||
| Circuit Breakers Current Type | AC | AC | AC | AC | AC | |||
| Isolation Compatibility | Compatible | Compatible | Compatible | Compatible | Compatible | |||
| Reverse Connection | Possible | Possible | Possible | Possible | Possible | |||
| Open-close Lifespan (Cycles) | Mechanical | 10,000 | 10,000 | 10,000 | 15,000 | 25,000 | ||
| Electrical (440 V AC) | 6,000 | 6,000 | 6,000 | 8,000 | 10,000 | |||
| Selectability Type (Usage Category) | A | A | A | A | A | |||
| Degree of Contamination | 3 | 3 | 3 | 3 | 3 | |||
| EMC Environmental Conditions (Environment A or Environment B) | N/A | N/A | N/A | N/A | N/A | |||
| External Dimensions (mm) | a | 75 | 75 | 75 | 75 | 90 | ||
| b | 130 | 130 | 130 | 130 | 130 | |||
| c | 68 | 68 | 68 | 68 | 68 | |||
| ca | 90 | 90 | 90 | 90 | 90 | |||
| Product Weight of Front Surface Type (kg) | 0.65 | 0.65 | 0.65 | 0.7 | 1.0 | |||
| Electrical Appliance and Material Safety Act | Compatible | Compatible | Compatible | Compatible | Compatible | |||
| CE Mark | Self-declared | Self-declared | Self-declared | Self-declared | Self-declared | |||
| CCC Certification | Certified | Certified | Certified | Certified | Certified | |||
| Classification Society Certification (✓ = Acquired) (NK, LR, ABS, DNV/GL) | ✓ | ✓ | ✓ | ✓ | ✓ | |||
| Overcurrent Tripping Method | Thermal - electromagnetic | Thermal - electromagnetic | Thermal - electromagnetic | Thermal - electromagnetic | Thermal - electromagnetic | |||
| Trip Button | ✓ | ✓ | ✓ | ✓ | ✓ | |||
Note 1: The rated capacity applicable to the motor is not stated on the Circuit Breakers. It should be selected according to the full-load current of the motor.
Note 2: Please specify "FP-LT" for flush type with lead terminal block.
Note 3: Please specify "P-LT" for plug-in type with lead terminal block.
External Dimensions of Circuit Breakers
Rated Capacity for MITSUBISHI Circuit Breakers
Circuit Breakers NF32-SV (Frame A: 30)
| A | 200/220 V | 400/440 V |
|---|---|---|
| kW | kW | |
| 25 | 5.5 | 11 |
| 16 | 3.7 | 7.5 |
| 12 | - | 5.5 |
| 10 | 2.2 | - |
| 8 | - | 3.7 |
| 7.1 | 1.5 | - |
| 5 | - | 2.2 |
| 4 | 0.75 | 1.5 |
Circuit Breakers NF63-CV
| A | 200/220 V | 400/440 V |
|---|---|---|
| kW | kW | |
| 45 | 11 | 22 |
| 40 | - | 18.5 |
| 32 | 7.5 | 15 |
| 25 | 5.5 | 11 |
| 16 | 3.7 | 7.5 |
| 12 | - | 5.5 |
| 10 | 2.2 | - |
| 8 | - | 3.7 |
Circuit Breakers NF32-SV (Frame A: 32)
| A | 200/220 V | 400/440 V |
|---|---|---|
| kW | kW | |
| 32 | 7.5 | 15 |
Circuit Breakers NF63-SV
| A | 200/220 V | 400/440 V |
|---|---|---|
| kW | kW | |
| 7.1 | 1.5 | - |
| 5 | - | 2.2 |
| 4 | 0.75 | 1.5 |
Circuit Breakers NF125-SV
| A | 200/220 V | 400/440 V |
|---|---|---|
| kW | kW | |
| 100 | - | 55 |
| 90 | 22 | 45 |
| 71 | 18.5 | 37 |
| 63 | 15 | 30 |
| 45 | 11 | 22 |
| (40) | - | 19 |
| 32 | 7.5 | 15 |
| (25) | 5.5 | 11 |
| (16) | 3.7 | 7.5 |
| (12.5) | - | 5.5 |
Rated current: A
Rated capacity for Circuit Breakers: kW
Standard ambient temperature: 40°C (45°C for ships)