GE Multilin 239 Motor Protection Relay in stock

GE Multilin 239 is a legacy digital motor protection system dedicated to three-phase AC motors. It integrates protection, metering, temperature monitoring and fault recording functions to prevent motor damage caused by various electrical and thermal faults.

This panel-mounted relay supports RTD temperature input and Modbus RTU communication. It is widely used as spare replacement for MCC and motor control cabinets in power plants, water treatment and industrial factories.

Data Parameters

• 1. Brand: GE Multilin.

• 2. Model: 239.

• 3. Product Type: Motor Protection Relay.

• 4. Application: Three-phase AC motor protection and monitoring system.

• 5. Feature: Thermal overload, locked rotor, unbalance, ground fault, RTD temperature monitoring.

• 6. Characteristic: Local LCD display, 3 programmable output relays, built-in fault recorder.

• 7. Communication: RS485 interface, Modbus RTU protocol.

• 8. Package: Complete relay unit with terminal base and operation keypad.

• 9. Mounting: Standard panel mounting for motor control cabinet.

• 10. Operating Temperature: -40℃ ~ +85℃.

Core Functions

• 1. Provide thermal overload and locked rotor protection during motor starting and running stages.

• 2. Detect phase current unbalance, undercurrent and ground fault to trigger trip or alarm.

• 3. Receive RTD signals to monitor stator and bearing temperature of the motor.

• 4. Record the latest 5 trip events and fault data for post-fault analysis and troubleshooting.

• 5. Upload real-time current, temperature and alarm data to upper SCADA monitoring system.

Application Scenarios

• 1. Factory MCC motor control cabinet spare replacement and maintenance.

• 2. Power plant auxiliary pump and fan motor protection renovation project.

• 3. Water treatment and sewage plant large motor protection monitoring cabinet.

• 4. Old GE Multilin motor protection relay cabinet upgrade and transformation.

• 5. Petrochemical production line motor protection spare inventory backup.

FAQ

• 1. Q: What is GE Multilin 239?
      A: It is a digital protection relay specially designed for three-phase AC motors.

• 2. Q: Does it support temperature monitoring?
      A: Yes, it supports RTD input to monitor stator and bearing temperature.

• 3. Q: Is this product still in production?
      A: It is discontinued, usually used for maintenance spare parts of old systems.