Optional accessories for the NZM circuit breaker series offer an extensive portfolio of application possibilities for worldwide use. Installation is flexible and simple thanks to modular function groups. Notes: Combination of separate delay unit and special release. Can be used for EMERGENCY STOP devices in conjunction with EMERGENCY STOP buttons. Not UL/CSA approved. Special release for combination with separate delay unit. Delay unit UVU-NZM is also required. Cannot be installed at the same time as separate leading auxiliary switch NZM. XHIV or shunt release NZM.-XA. Cannot be used in conjunction with remote operator NZM.-XR. NZM1, 2, 3: Lead of the auxiliary contacts when switching on and off (manual operation): approx. 20 ms. NZM4: Lead of the auxiliary contacts when switching on (manual operation): approx. 90 ms. Connection with 3 m loose connection cables instead of screw connection. Without auxiliary switch. Can be used for NZM2 (-4), N (S) 2 (-4), NZM3 (-4), N (S) 3 (-4)
| Property | Value |
| Number of contacts as normally open: | 2 |
| Design of the electrical connection: | screw connection |
| Suitable for circuit breakers: | no |
| Suitable for motor protection switches: | no |
| Suitable for load switches: | yes |
| Suitable for overload relays: | no |
| Voltage type for actuation: | AC |
| Delayed: | yes |
