MCCB アクセサリー 故障遮断器 誤動作アラーム 接地線またはターミナルとの接触
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Function
It is mainly used to provide a signal when the load of the circuit breaker is overloaded, short-circuited or undervoltage, or tripped.
The reasons for the failure of the alarm signal are:
Over-load or short-circuit
Undervoltage trip
Residual current action trip
Manual free trip
Model description
Code for mccb Frame
| Frame | 125/160 | 250 | 400 |
| code | Al-125 | Al-250 | Al-400 |
Indication of circuit breaker status
Electrical characteristics
| Ue(V) | AC | DC | |||
| 230V | 400V | 110 | 220 | 24 | |
| ln(A) | 0.3 | 0.3 | 0.15 | 0.15 | 0.15 |
Wiring diagram
