SD (trip indication) and SDE (fault-trip indication) are the indication contacts for compact NSX, but the function for trip are different.
SD (trip indication) indicates that the circuit breaker has tripped due to:
SDE (fault-trip indication) indicates that the circuit breaker has tripped due to:
SD (trip indication) indicates that the circuit breaker has tripped due to:
- an overload
- a short-circuit
- an earth fault (Vigi) or a ground fault (Micrologic 6)
- operation of a voltage release
- operation of the "push to trip" button
- disconnection when the device is ON.
SDE (fault-trip indication) indicates that the circuit breaker has tripped due to:
- an overload
- a short-circuit
- an earth fault (Vigi) or a ground fault (Micrologic 6).
ComPacT NSX400/630 circuit breakers and switch-disconnectors
Released for: Schneider Electric Thailand
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