NZM 4-XR 380-440AC_EATON_PRODUCT_吉林易择科技技术发展有限公司

The Eaton NZM 4-XR is a versatile, molded-case circuit breaker (MCCB) designed for reliable power distribution and protection in a wide range of industrial and commercial applications. It belongs to the high-performance NZM 4 series, with the "XR" designation typically indicating a specific frame size or interrupting capacity rating within that series (exact meaning can vary; consult the catalogue for the specific XR variant).

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DESCRIBE

Parameter Specification Product Standard IEC/EN 60947-1, IEC/EN 60947-2 Type Molded Case Circuit Breaker (MCCB), Air Insulated Mounting Version Fixed Type or Draw-Out Version (Plug-in) Communication Capable Yes (via optional COM module for system integration) Scope of Supply Circuit Breaker as a complete, ready-to-install unit. Additional accessories (auxiliary contacts, shunt trip, etc.) may be required. 2. Electrical Ratings Parameter Specification Notes Rated Operational Voltage (Ue) 400 V AC For use on 380 V - 440 V AC, 3-phase systems. Rated Insulation Voltage (Ui) 690 V / 750 V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Power Frequency Withstand Voltage 3000 V AC, 50/60 Hz, for 1 min Frequency 50 / 60 Hz Utilization Category Category A (As per IEC 60947-2) Pollution Degree 3 Overvoltage Category III

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