GE Multilin 239 is a digital motor protection relay developed by GE Vernova (Multilin). It is used for comprehensive protection of three-phase AC motors and associated mechanical equipment. This is a legacy discontinued relay, widely deployed in MCC cabinets for motor condition monitoring, fault alarm and trip control. It supports independent starting and running thermal protection curves, and can be equipped with optional RTD temperature monitoring and analog output.

Key Features

• Independent start and run thermal protection model with 15 overload curves

• Protection functions: overload, locked rotor, stall, phase unbalance, undercurrent, short circuit, ground fault

• Optional 3-channel RTD input for stator and bearing temperature monitoring

• Optional 4-20mA analog output for remote signal transmission

• RS485 communication, Modbus RTU protocol for SCADA connection

• LCD display + keypad for local parameter setting and fault check

• Built-in trip, alarm and programmable auxiliary relay outputs

• Conformal coating option available for harsh industrial environments

• True RMS measurement for high accuracy under distorted waveforms

Technical Specifications

• Model: 239

• Brand: GE Multilin / GE Vernova

• Type: Digital Motor Protection Relay

• Control Power: 70–265V AC / 90–300V DC

• Communication: RS485, Modbus RTU

• Enclosure Rating: NEMA 12

• Optional: RTD, Analog Output, Conformal Coating

• Status: Discontinued legacy product

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Application Fields

• Water treatment pump motor control

• Petrochemical and refinery motor control

• Power plant auxiliary motor protection

• Mining and cement plant motor control

• HVAC and fan protection systems

• Industrial MCC motor control centers

Tags:

Honeywell CC-TUIO41 Redundant

Honeywell FC-PUIO01 Universal

Honeywell CC-PUIO31 Universal

GE Multilin 239 Digital Motor