Eaton MAGNUM Air Circuit Breaker Inquiry Item

This Eaton MAGNUM is a series of low-voltage power air circuit breakers for industrial main power distribution. It includes MAGNUM DS and MAGNUM PXR versions, available in fixed type or draw-out structure. It is equipped with Power Xpert Release PXR electronic trip unit, supporting overload, short circuit, earth fault protection, arc flash reduction function, power metering and fault recording. Optional Modbus communication module can upload running data, alarm information to SCADA monitoring system. Draw-out version has working, test, isolation three-position interlock to ensure maintenance safety. Widely used in industrial factory, data center, petrochemical, water treatment main incoming cabinet and bus tie cabinet.

Specifications

Model: MAGNUM (MAGNUM DS / MAGNUM PXR) Brand: Eaton Type: Air circuit breaker ACB Frame current: Multiple frame specifications Trip unit: PXR electronic release Communication: Optional Modbus RTU / TCP Structure: Fixed / Draw-out Protection: Overload, short time delay, instantaneous, earth fault Certifications: CE, UL Protection grade: IP20 (panel)

Components & TroubleshootingMain contact assembly, arc extinguish chamber, PXR trip unit, motor energy storage mechanism, interlock device, communication adapter, secondary terminal block. Common faults: Unable to close, cannot energy storage, protection false tripping, communication offline, trip unit failure, contact overheating.

Disclaimer

This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Verify protection parameters before commissioning.