531*139APMAMM7 /F31*139APMALG2_GE_PRODUCT_吉林易择科技技术发展有限公司

531X139APMAMM7 / F31X139APMALG2 - Industrial motor protection relay/controller (likely GE Multilin or similar).
Key Parameters:
Protection: Overload, phase loss, imbalance, ground fault
Voltage: 480V AC (3-phase)
Current: 1-500A (adjustable CT)
Outputs: 2x relay, 4-20mA analog
Comms: RS-485 Modbus RTU
Display: LCD with status LEDs

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