GE Multilin 350-E-P5-G5-H-E-S-N-N-SN-D-N Feeder Protection System
Delivery time 3 days
Product origin New/used
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The GE Multilin 350-E-P5-G5-H-E-S-N-N-SN-D-N is a medium-to-low voltage feeder p
The GE Multilin 350-E-P5-G5-H-E-S-N-N-SN-D-N is a medium-to-low voltage feeder protection and control device in the GE Multilin 350 series, specifically designed for feeder protection, control, and monitoring in industrial and power systems.
I. Model Code Analysis
Complete Model Number: 350-E-P5-G5-H-E-S-N-N-SN-D-N Field Definitions:
350: Basic Series (Feeder Protection System)
E: Drawout Structure
P5: Three-Phase Current Input 5A
G5: Grounding Current Input 5A
H: Standard Operating Power Supply (125-250VDC / 100-240VAC)
E: English Language Interface
S: Standard Protection Function Package
N: No Voltage Transformer (VT) Input
N: No Arc Sensor Input
SN: Standard Communication (RS485 + USB)
D: Event Logging Function
N: No Conformal Coating
II. Core Technical Parameters
1. Basic Physical Characteristics
Dimensions: 201.5mm (H) × 138.2mm (W) × 244.2mm (D)
Weight: 4.1kg
Protection Rating: Front Panel IP40, Rear IP10
Operating Temperature: -40°C to +60°C
2. Inputs & Outputs
Current Inputs: 3 × 5A (phase) + 1 × 5A (ground)
Switch Inputs: 8 programmable dry contacts
Relay Outputs: 2 Form A (trip/close) + 5 Form C general purpose contacts
Communication Ports:
Front: USB
Rear: RS485 (Supports Modbus RTU, DNP3.0, IEC 60870-5-103)
3. Protection Functions
Three-stage phase/zero sequence/ground definite-time overcurrent protection (51/50)
Sensitive ground fault protection
Circuit breaker failure, cold load start, reclosing control
Event Log: 256 time-stamped events
Arc protection (optional, not configured in this model)
4. Applications
Medium voltage (MV) / Low voltage (LV) distribution lines main / Backup Protection
Distribution Transformer and Capacitor Bank Protection
Industrial, Municipal, and Power Grid Switchgear Support
III. Main Features
Swappable Structure (E): Safe plug-in and unplugging, maintenance without disconnection
High-Precision Measurement: Current measurement accuracy better than ±1%
Fast Tripping: When fault current > 6 times the setting value, the action time is < 5ms
EnerVista SR3 Software: PC-side configuration, debugging, and fault analysis
Multi-Level Password Access Control: Local/Remote Operation Security Management
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