GE Multilin 339-E-P5-G5-H-R-S-N-P-3E-D-H is a digital integrated protection relay under GE Vernova Multilin 3 Series, officially designed for comprehensive protection and control of medium voltage feeders and small & medium asynchronous motors. Adopting industry-proven drawout pluggable structure, it integrates complete protection logic, power metering, fault oscillography, multi-protocol communication and local operation functions. This customized model is equipped with 5A phase current sampling, 5A ground fault current sampling, wide-range universal AC/DC power supply, extended IO contacts and multi-channel fiber Ethernet communication modules. It can be directly connected to cabinet feeder circuits and drive industrial equipment such as fans, water pumps and compressors. Relying on original factory motor thermal model algorithm and millisecond-level event recording function, it realizes full-lifecycle monitoring of electrical equipment, suitable for new power distribution systems and renovation projects of old switchgears. No extra expansion modules are required to deploy full basic protection logic for feeders and motors.
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