Description
The GE 369-LO-R-0-0-0-0 (Multilin 369) is a microprocessor-based motor management relay engineered by General Electric to provide comprehensive protection, metering, and diagnostics for small to medium-sized AC induction motors.
📋 Technical Specifications Datasheet
- Brand: GE (General Electric Multilin)
- Model: 369-LO-R-0-0-0-0
- Series: Multilin 369 Motor Protection System
- Product Name: Motor Management Relay
- Manufacturing Origin: United States
- Product Status: Industrial Protection Standard
- Dimensions: Standard switchgear panel-mount enclosure form factor
- Weight: Approximately 3.2 kg
- Original Equipment Manufacturer: GE Multilin
- Power Supply Rating: Low-range control power (LO: 20-60V DC / 20-48V AC)
⚙️ Operating Norms and Usage
- Observe standard electrostatic discharge (ESD) precautions when handling the relay or interacting with internal connection points.
- Mount the relay securely into a vertical switchgear cutout panel and ensure the enclosure chassis is solidly grounded.
- Verify all current transformer (CT), voltage transformer (VT), and control power connections against the wiring diagram before energizing the system.
⚡ Power-On / Power-Off Sequence
- Power-On Sequence: Ensure external CT shorting blocks are removed, energize the auxiliary control power input, and confirm that the front-panel display initializes to the default monitoring screen without fault codes.
- Power-Off Sequence: Disable motor control circuits, disconnect the auxiliary control power source, and engage CT shorting links prior to any physical hardware extraction or maintenance.
📖 Product Usage Instructions
- Monitor real-time motor parameters, temperatures, and statistical logs directly via the front-panel display and keypad.
- Use GE EnerVista 369 Setup software via the front USB or rear communication ports to configure protection setpoints, thermal models, and event triggers.
- Conduct routine testing of digital inputs, trip outputs, and sensor wiring as part of scheduled plant maintenance.
❓ Common Questions & Answers Q&A
- Q: What does a thermal overload lockout condition mean?
A: It indicates that the motor has reached its thermal capacity limit based on the internal thermal model; allow the motor to cool before attempting a restart.
- Q: How can historical trip data be retrieved?
A: Trip logs and event waveforms can be downloaded directly using the EnerVista 369 software suite via the communication port.
Recommended Alternative Series & Models
- GE Multilin Relay: 369-HI-R-0-0-0-0
- GE Multilin Relay: SR469-P1-HI-A20
- GE Multilin Relay: SR239-1-0-0-0
- GE Multilin Relay: SR350-P1-HI-A20
- GE Multilin Relay: SR750-P1-G1-S1-HI-A20-R-E-H
- GE Mark VIe Module: IS420UCSCH1A
- GE Drive Board: 531X301DCCAFG2
- GE Terminal Board: 531X305NTBAPG1
- GE Voltage Board: DS200NATOG1A
- GE Auxiliary Board: DS200ADGIH1AAA
