Key Parameters Category Description / Value Product Line Eaton NZM3 Accessories Compatible Breakers NZM3 series breakers of the specified frame size (Frame 4). Function Undervoltage Release (UVR) Rated Control Supply Voltage (Us) A common standard voltage is 400V AC, 50/60 Hz. However, the exact voltage must be confirmed by the order code sticker on the device itself, as other voltages (e.g., 230V AC, 110V AC) are available. Mounting Mounts directly onto the compatible NZM3 breaker. Operation The breaker can only be closed when the supply voltage is present and above the trip threshold. It automatically trips when the voltage drops below the threshold or is lost.
