Circuit breaker NZM4, 3-pole, switching capacity 400/415 V 50 Hz (Icu): 50 kA, rated current = rated continuous current Rated current = rated continuous current (In = Iu): 1250 A, installation technology: fixed installation, screw connection, standard/approval: IEC, protective function: system, cable, selective and generator protection
| Property | Value |
| Rated continuous current Iu: | 1250 A |
| Connection type main circuit: | Screw connection |
| Number of poles: | 3 |
| Device design: | Built-in device, fixed installation technology |
| Position of connection for main circuit: | front |
| Protection class (IP): | IP20 |
| Overload release current setting: | 630 to 1250 A |
| Setting range of the short-time delayed short-circuit release: | 1250 to 12500 A |
| Setting range of the instantaneous short-circuit release: | 2500 to 15000 A |
| Rated voltage: | 690 V |
| Rated short-circuit breaking current Icu at 400 V, 50 Hz: | 37 kA |
| Suitable for DIN rail mounting: | no |
| Design of the actuating element: | toggle lever |
| Integrated earth fault protection: | no |
| Motor drive integrated: | no |
| Motor drive optional: | yes |
| With Trigger detector: | no |
| Complete device with protection unit: | yes |
| DIN rail mounting optional: | no |
