NZM4-XU380-440AC - EATON - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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NZM4-XU380-440AC

Key Parameters Category Description / Value Product Line Eaton NZM4 Accessories Function Undervoltage Release (UVR) Compatible Breakers NZM4 series circuit breakers Rated Control Voltage 380-440V AC Mounting Direct mounting onto compatible NZM4 breaker Operation Prevents closing when voltage is low; trips when voltage is lost

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The Eaton NZM4-XU380-440AC is an undervoltage release (UVR) accessory designed for the NZM4 series of molded case circuit breakers.This undervoltage release automatically trips the circuit breaker when the supply voltage drops below a specified threshold (typically 35%-70% of rated voltage) or is lost completely. It prevents breaker closure when voltage is absent or insufficient, ensuring operational safety.