Undervoltage release NZM4-XU380-440AC 266194

Optional accessories for the NZM series of circuit breakers include a wide range of devices suitable for international use. Installation is flexible and easy thanks to modular function groups. Notes: Delayless disconnection of NZM ACBs or N ACBs when the control voltage drops below 35-70% US. It is used in EMERGENCY STOP devices in conjunction with the EMERGENCY STOP button. When the undervoltage release is de-energized, there is a reliable protection against touching the main switch contacts when attempting to switch on. The undervoltage release must not be installed at the same time as the leading auxiliary switch NZM ..- XHIV .. or the NZM ..- XA ... shunt release. Application for: NZM4 (-4), N (S) 4 (-4)