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Optional accessories for the NZM circuit-breaker series offer a comprehensive portfolio of application possibilities for worldwide use. Mounting is flexible and simple thanks to modular function groups. Notes: Instantaneous disconnection of circuit-breaker NZM or switch-disconnector N when the control voltage drops below 35-70% US. Can be used for EMERGENCY OFF devices in conjunction with EMERGENCY OFF pushbuttons. When the undervoltage release is de-energised, contact with the main switch contacts is safely prevented during closing attempts. Undervoltage release cannot be installed at the same time as leading auxiliary contact NZM..-XHIV.. or shunt opening release NZM..-XA... Can be used for: NZM2(-4), N(S)2(-4), NZM3(-4), N(S)3(-4)
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