Description

GE Multilin 369B1841G0130 Motor Management Relay Module

Configured for three-phase motor protection and monitoring in the GE Multilin 369 Series Motor Management System, the GE Multilin 369B1841G0130 (369B1841G0130 Motor Management Relay Module) provides direct physical/electrical execution of current sensing, thermal protection, fault processing, and control relay functions.

Hardware Specifications

Parameter	Specification
Model	369B1841G0130
Brand	GE Multilin
Origin	General Electric
Product Series	Multilin 369 Series Motor Management Relay
Product Type	Motor Management Relay Module
Application	Medium and large three-phase AC induction motor protection and control
Current Inputs	1 A or 5 A phase CT secondary inputs
Control Power	High range: 60-265 VAC / 50-300 VDC; Low range: 20-48 VAC / 20-60 VDC
Frequency Range	50 / 60 Hz nominal
Communication Interface	RS485 serial communication with Modbus RTU protocol
Ethernet Communication	Optional Modbus TCP/IP through expansion module
Output Relays	Up to 4 output relays: Trip, Alarm, Auxiliary 1, Auxiliary 2
Mounting Type	Panel mount / drawout case options
Operating Temp	-40 deg C to +60 deg C
Storage Temp	-40 deg C to +80 deg C
Power Consumption	Not specified in available technical data

Profinet / EtherNet-IP Deterministic Network and Firmware Compatibility Features

The GE Multilin 369B1841G0130 operates as part of the Multilin 369 motor protection platform with processor-based protection logic, configurable settings storage, and communication-driven data exchange. The relay processes phase current measurements, thermal model calculations, trip conditions, and event records through embedded firmware functions.

The unit supports RS485 Modbus RTU communication for connection to supervisory systems. Optional communication expansion enables additional network integration paths. Firmware compatibility is managed through GE Multilin configuration tools, allowing field updates of relay settings and supported firmware functions.

The motor protection algorithm includes dynamic thermal modeling based on motor heating and cooling characteristics. Protection elements include short circuit, ground fault, phase loss, phase reversal, mechanical jam, undercurrent, and motor restart supervision functions.

Frequently Asked Questions

Q: What type of current input signals are accepted by the 369B1841G0130?
A: The relay accepts phase current inputs from 1 A or 5 A current transformer secondary circuits for motor current measurement and protection calculations.

Q: Does the module support direct DCS or SCADA communication?
A: Yes. The unit provides RS485 serial communication using Modbus RTU protocol for integration with industrial control and monitoring systems.

Q: Can relay settings and firmware functions be modified in the field?
A: The 369 Series supports field configuration of protection parameters and field upgradeable settings and firmware functions through compatible GE Multilin configuration software.

Field Installation Guidelines

Install the relay in a suitable panel-mounted or drawout configuration according to the equipment enclosure requirements and wiring documentation.

Connect current transformer secondary wiring with correct polarity and maintain separation between CT circuits, control wiring, and communication cables. Shielded communication cable should be terminated according to RS485 network grounding practices to reduce electrical interference.

Verify control power range selection before energization. Confirm that trip, alarm, and auxiliary relay outputs are wired according to the motor starter or protection circuit design.

For applications involving variable frequency drives or two-speed motors, validate motor parameters, protection settings, and current measurement scaling before commissioning.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems