NZMS1-S40 is a 3-pole, 40A molded-case circuit breaker designed for motor and short-circuit protection. Featuring a withdrawable design and magnetic short-circuit release, it supports AC-3 motor switching and system protection up to 690 V with high interrupting capacity, making it suitable for industrial switchgear applications.
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NZMS1-S40Brand:
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The NZMS1-S40 is a compact 3-pole molded-case circuit breaker rated at 40 A, engineered for motor and short-circuit protection in industrial switchgear. It features a withdrawable design and a magnetic short-circuit release suitable for AC-3 motor switching applications, with rated voltages up to 690 V and high breaking capacity for robust fault interruption.
| Parameter | Value |
|---|---|
| Model / Type | NZMS1-S40 (3-pole, withdrawable style) |
| Rated Current | 40 A |
| Poles | 3 |
| Voltage Rating | Up to 690 V (AC) |
| Breaking Capacity (typical) | Up to ~70 kA (application / variant dependent) |
| Trip Type | Magnetic short-circuit release (motor protection in conjunction with overload relay — without thermal overload in some variants) |
| Standards / Compliance | Designed to meet IEC/EN switching and circuit-breaker standards suitable for AC-3 motor switching categories |
| Typical Uses | Motor protection, switchgear panels, cable and system protection in industrial installations |
The unit is commonly supplied in withdrawable or plug-in formats and may be offered with different accessory modules (short-circuit release settings, auxiliary contacts, sockets). Confirm exact mechanical dimensions and accessory compatibility with the supplier before panel integration.
