MCCB circuit breaker WLM6LY-250A-4300 4P WLM6L Series earth leakage protection type Residual Current 400V 250A 3 poles 4 Poles
Rated Current : 250A Number Of Poles : 3P/4P Rated Working Voltage : 400V/690V
Advantages of RCCB
1. Compliance with Safety Standards: RCCBs are designed and tested to comply with international safety standards, ensuring that they meet stringent requirements for performance and reliability. Using RCCBs that meet these standards helps ensure that electrical installations are safe and in compliance with regulations.
2. Versatility: RCCBs are available in various types and configurations to suit different applications and electrical systems. They can be used in single-phase and three-phase installations, and there are options for different sensitivity levels to accommodate specific requirements.
Main performance index of WLM6LY series circuit breaker
| WLM6LY Moulded Case Circuit Breaker | 250 | ||||||||||||
| Rated current (A) of circuit breaker 40℃ | Fix type |
100-125-140-150-160 175-180-200-225-250 |
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| Lcd type |
100-125-140-150-160 175-180-200-225-250 |
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| Rated insulation voltage Ui (V) | 1000 | ||||||||||||
| Rated impulse withstand voltage (kV) | 8 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | AC400V | ||||||||||||
| Breaking capacity code | C | S | M | H | |||||||||
| Number of poles | 2P | – | – | – | – | ||||||||
| 3P | – | – | ■ | ■ | |||||||||
| 4P | – | – | ■ | ■ | |||||||||
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Rated ultimate short-circuit breaking capacity Icu (kA) |
AC380/400/415V | 15 | 25 | 35 | 50 | ||||||||
| AC380/400/415V | 10 | 18 | 25 | 35 | |||||||||
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Rated residual making and breaking capacity I△ m(kA) |
AC220/230/240V | – | – | 12.5 | 12.5 | ||||||||
| Limit non-actuating time △ t (ms) | 0.06s/0.2s/0.5s/1s | ||||||||||||
| Leakage alarm non-tripping function | □ | ||||||||||||
| overcurrent tripping type | Themal type | ||||||||||||
| Leakage tripping type | Electronic Type | ||||||||||||
| Residual current type | AC | ||||||||||||
| Standard | IEC/EN 60947-2 | ||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | -40℃ ~+70 ℃ | ||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
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Mechanical life (CO recycle) |
보수 | 15000 | |||||||||||
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Electrical life (CO recycle) |
AC415V,In | 8000 | |||||||||||
| AC690V,In | 2000 | ||||||||||||
| Release units | |||||||||||||
| Mounting and connection | |||||||||||||
| Fixed | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Plug-in | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Draw-out | Front connection | – | |||||||||||
| Rear connection | – | ||||||||||||
| DIN rail | Front connection | ■ | |||||||||||
| Dimension | |||||||||||||
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Dimension (mm) W×H×D |
Width (2P/3P/4P) | -/105/140 | |||||||||||
| Height | 165 | ||||||||||||
| Depth | 68 | ||||||||||||
| Weight | |||||||||||||
| Distribution protection | 2P | – | |||||||||||
| 3P | 1.532 | ||||||||||||
| 4P | 2.024 | ||||||||||||