Undervoltage release with terminal block made of NZM1-XU480-525AC 259446

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 an EMERGENCY STOP button. When the undervoltage release is de-energized, there is reliable protection against touching the main switch contacts when attempting to switch on. The undervoltage release must not be installed simultaneously with the leading auxiliary switch NZM ..- XHIV .. or the shunt release for the operating current NZM ..- XA ... Application for: NZM1 (-4), N (S) 1 (-4)