GE 350-E-P1-G1-H-E-S-C-P-2E-D-N Multilin 350 Feeder Protection Relay

GE 350-E-P1-G1-H-E-S-C-P-2E-D-N (Multilin 350 Line Protection Relay)
350-E-P1-G1-H-E-S-C-P-2E-D-N is a GE (now part of GE Vernova) Multilin 350 series microcomputer-based feeder protection measurement and control device, used for protection, control and monitoring of medium and low voltage distribution feeders, transformers, and capacitor banks.

Industrial equipment: GE Multilin 350 series relays
I. Model Breakdown (Order Code)
350: Product series (Multilin 350 feeder protection system)
E: Interface language = English, no programmable LED
P1: Phase current input = 1A three-phase CT input
G1: Ground current input = 1A ground CT input
H: Environmental coating = three-layer conformal coating (for harsh environments)
E: Housing design = drawout (Removable)
S: Standard configuration (includes voltage measurement, basic protection)
C: Control options = includes trip/merge control coils
P: Additional functions = with lockout relay (Lockout)
2E: Output relays = 2 normally open / normally closed programmable contacts
D: Power range = wide voltage 120–240VAC / 125–250VDC (wide range)
N: No special options (standard factory)

Core Parameters
Type: Microprocessor-based overcurrent protection (main protection / backup protection)
Current input: 1A (phase + ground)
Voltage input: 120–240VAC / 125–250VDC (wide range)
Protection functions: Overcurrent, short circuit, ground fault, arc protection, circuit breaker failure, thermal overload, negative sequence overcurrent, etc.
Communication: Ethernet (IEC 61850, Modbus TCP/IP, DNP3.0, IEC 60870‑5‑104), RS485 (Modbus RTU)
Size: 216mm (height) × 140mm (width) × 203mm (depth)
Weight: Approximately 4.1kg
Installation: Panel embedded, drawout (facilitates maintenance and replacement)

Typical Applications
Industrial / municipal medium-voltage feeder (6–35kV) protection
Comprehensive protection for distribution transformers, capacitor banks, and motors
Situations requiring arc protection + high-speed fault recording + SCADA communication

Key Features
Integrated: Protection, measurement, control, communication, fault recording integrated
High reliability: Military-grade three-layer conformal coating, suitable for high temperatures / humidity / dust environments
Easy maintenance: Drawout design, no power outage for replacement, supports remote parameter setting
Openness: Full protocol communication, seamless integration with mainstream power monitoring systems