Description
The GE MULTILIN 350-E-P1-S1-H-S-E-C-N-2E-D-H Feeder Protection System is a microprocessor-based protection relay designed for feeder, transformer, and electrical distribution protection applications. It belongs to the GE Multilin 350 Series and provides advanced protection, control, monitoring, metering, and communication functions for utility and industrial power systems.
The 350-E-P1-S1-H-S-E-C-N-2E-D-H model includes 1A three-phase current inputs, sensitive ground current input, high-voltage auxiliary power supply option, extended overcurrent protection, Ethernet communication, and draw-out case design. It supports protection functions including phase overcurrent, ground fault protection, breaker failure, autoreclose, cold load pickup, and directional protection.
This GE Multilin relay is widely used in medium and high-voltage switchgear, industrial power distribution systems, substations, and generator auxiliary systems. It provides flexible communication options including Modbus, DNP3, IEC 60870-5-103, and IEC 61850 GOOSE depending on configuration.
350-E-P1-S1-H-S-E-C-N-2E-D-H
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | GE MULTILIN |
| Model | 350-E-P1-S1-H-S-E-C-N-2E-D-H |
| Series | Multilin 350 Feeder Protection System |
| Product Name | Feeder Protection System / Protection Relay |
| Part Number | NL0A09000560 |
| Relay Type | Microprocessor-Based Feeder Protection Relay |
| Product Status | New Open Box / Surplus Stock |
| Application | Feeder Protection, Switchgear Protection, Power Distribution Automation |
| Phase Current Input | 1A Three-Phase Current Inputs |
| Ground Current Input | S1 Sensitive Ground Current Input |
| Power Supply | 125-250V DC / 120-240V AC |
| Protection Functions | Overcurrent, Ground Fault, Breaker Failure, Autoreclose, Cold Load Pickup |
| Communication Interface | Ethernet, RS485, Modbus, DNP3, IEC 61850 (Configuration Dependent) |
| Case Design | Draw-Out Type |
| Dimensions | Approx. 220 × 160 × 250 mm |
| Weight | Approx. 5 kg |
| Origin / Place of Origin | Spain |
| Mounting Type | Panel Mounted Draw-Out Relay |
| Operating Temperature | Approx. -40°C to +60°C |
| Discontinued Status | Active / Legacy Replacement Available |
❓ Common Questions & Answers
Q: What is the main function of GE Multilin 350 relay?
A: The GE Multilin 350 provides protection, control, monitoring, and communication functions for electrical feeders and related power distribution equipment.
Q: What protection functions are included in the 350-E-P1-S1-H-S-E-C-N-2E-D-H model?
A: It supports phase overcurrent, ground fault protection, thermal overload, breaker failure, directional protection, autoreclose, and cold load pickup functions.
Q: What does P1 mean in the model number?
A: P1 indicates the relay configuration with 1A three-phase current inputs.
Q: What does H mean in this GE Multilin model?
A: The H option indicates the high-range auxiliary power supply configuration, typically supporting 125-250V DC or 120-240V AC input.
Q: Is the GE Multilin 350 a PLC controller?
A: No. It is a dedicated protective relay designed for electrical power protection and feeder management applications.
Q: What are common causes of relay failure?
A: Common issues include unstable auxiliary power, communication faults, incorrect CT wiring, aging electronic components, configuration errors, and environmental conditions.
Q: What should be checked before replacing this relay?
A: Confirm the complete ordering code, CT/PT ratings, communication settings, firmware compatibility, protection parameters, and existing switchgear wiring.
Q: Can this relay replace another GE Multilin 350 model?
A: Replacement depends on current input rating, protection options, communication modules, power supply type, and hardware configuration.
⭐ Recommended GE MULTILIN Models
- GE MULTILIN 350-E-P1-S1-H-S-E-C-N-2E-D-H – Feeder Protection Relay
- GE MULTILIN 350-E-P1-G1-H-S-E-C-N-2E-D-H – Feeder Protection System
- GE MULTILIN 350-E-P5-S5-H-S-E-C-N-2E-D-H – 5A Feeder Protection Relay
- GE MULTILIN 350 Basic Feeder Protection Relay – Distribution Protection Unit
- GE MULTILIN 369-HI-R-M-0-0-0-0 Motor Protection Relay
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- GE MULTILIN SR750-P5-G5-S5-HI-A20 Relay
- GE MULTILIN SR745 Transformer Protection Relay
- GE MULTILIN G60 Generator Protection System
- GE MULTILIN L60 Line Current Differential Relay
- GE MULTILIN T60 Transformer Protection Relay
- GE MULTILIN F60 Feeder Management Relay
- GE MULTILIN C60 Breaker Management Relay
