GE 350-E-P5-G5-H-E-E-N-N-SN-D-N | Advanced Feeder Protection

GE Multilin 350-E-P5-G5-H-E-E-N-N-SN-D-N Feeder Protection Module – Product Description

Overview

The GE Multilin 350-E-P5-G5-H-E-E-N-N-SN-D-N is an advanced feeder protection relay designed for industrial plants and substations. It delivers reliable phase, ground, and sensitive ground fault protection while integrating advanced monitoring and control capabilities. Moreover, its flexible communication interfaces allow seamless integration into SCADA and automation systems.

Technical Specifications

Current Inputs:

• Phase CTs: 5 A

• Ground CTs: 5 A

Protection Functions:

• Phase and ground overcurrent (ANSI 50/51, 50N/51N)

• Sensitive ground fault protection

• Breaker failure protection

• Thermal overload protection

• Integrated arc flash detection (optional)

Control Features:

• Breaker control logic with interlocks

• Virtual inputs and programmable logic

• Manual commands via front panel or SCADA

Event Recording & Diagnostics:

• Transient recorder with battery-backed RAM

• Waveform capture and event logs

• Preventive maintenance and self-diagnostics

Communication Protocols:

• Modbus RTU / TCP/IP

• DNP3.0

• IEC 60870-5-103

• Optional Ethernet fiber interface

Relay Outputs:

• Two electromechanical relays configurable for trip, alarm, or control

Neutral Overcurrent Timing:

• Adjustable 0.00–300.00 seconds in 0.01-second steps

Power Supply:

• AC: 70–265 VAC

• DC: 88–300 VDC

Environmental Ratings:

• Operating temperature: –40 °C to +70 °C

• EMC immunity per IEC 61000‑4‑8

Physical Specifications:

• Weight: 1.3 kg

• Dimensions: 435 × 435 × 435 mm

FAQ

Q1: What protection functions does this module support?
It provides phase, ground, sensitive ground fault, breaker failure, thermal overload, and optional arc flash detection.

Q2: Which communication protocols are supported?
Modbus RTU/TCP, DNP3.0, IEC 60870‑5‑103, and optional Ethernet fiber interfaces are available.

Q3: Can the module operate in extreme temperatures?
Yes, it functions reliably from –40 °C to +70 °C with IEC-compliant EMC immunity.

Q4: How is the module powered?
It supports universal AC/DC input: 70–265 VAC or 88–300 VDC.

Q5: Are relay outputs configurable?
Yes, two electromechanical relays can be configured for trip, alarm, or custom control logic.