Product Description

Overview

The GE Multilin 350‑C‑P5‑G5‑H‑E‑M‑N‑P‑SN‑D‑N is a high-performance feeder protection relay designed for modern distribution networks. It provides comprehensive protection, control, and monitoring for low, medium, and high voltage feeders. Moreover, its integrated arc-flash protection and advanced diagnostics ensure personnel and equipment safety while supporting efficient substation operations.

Technical Specifications

Protection Functions:
• Phase overcurrent (instantaneous, time-delayed)
• Ground fault protection
• Negative sequence overcurrent protection
• Cold load pickup logic
• Breaker failure protection
• Arc-flash detection and mitigation

Inputs/Outputs:
• Three-phase current inputs (5 A nominal)
• Ground current input (5 A nominal)
• Multiple digital inputs and outputs for control and signaling
• 10 contact input channels

Control Features:
• Lockout relay (ANSI 86)
• Programmable logic for custom control schemes
• Breaker control operation: logic element, virtual input, asserted contact input, manual command

Metering & Monitoring:
• Real-time metering of current, voltage, frequency, and power
• Fault recording and oscillography
• Preventive maintenance diagnostics

Communications:
• Ethernet fiber type: 100 MB Multi-Mode
• Protocols: Modbus, DNP3, IEC 61850
• Secure remote access with advanced cybersecurity features

Power Supply:
• 125–250 VDC or 100–240 VAC auxiliary power

Physical Specifications:
• Case design: Draw-out chassis for easy replacement and testing
• Dimensions: 173 × 205 × 55 mm (6.81″ × 8.07″ × 2.17″)
• Weight: 1.5 kg (3.3 lbs)

Environmental Ratings:
• Operating temperature: –40 °C to +70 °C
• Humidity: 5–95% non-condensing
• Power magnetic immunity: IEC61000-4-8

FAQ (Plain Text Format)

Q1: What protection functions does the GE Multilin 350 module provide?
A: It offers phase, ground, negative sequence overcurrent, breaker failure, and arc-flash protection.

Q2: How many contact input channels are supported?
A: The module supports ten contact input channels for flexible control and signaling.

Q3: Which communication protocols are supported?
A: Modbus, DNP3, and IEC 61850, including 100 MB multi-mode Ethernet connectivity.

Q4: What type of installation is used for this module?
A: The module uses a draw-out chassis design for easy replacement and maintenance.

Q5: Can it operate in harsh environmental conditions?
A: Yes, it operates from –40 °C to +70 °C and 5–95% non-condensing humidity.