350-C-P5-G5-H-E-M-N-P-SN-D-N GE Series Feeder Protection Relays
Manufacturer: GE Fanuc
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Part Number: 350-C-P5-G5-H-E-M-N-P-SN-D-N
Condition：New with Original Package
Product Type: Feeder Protection Relays
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE 350-C-P5-G5-H-E-M-N-P-SN-D-N 350 Series Feeder Protection Relay
The GE 350-C-P5-G5-H-E-M-N-P-SN-D-N, also cataloged as the 350 Feeder Protection Relay, operates as a dedicated hardware component for phase overcurrent, ground fault, and arc-flash protection execution within distribution network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 350-C-P5-G5-H-E-M-N-P-SN-D-N |
| Brand | GE |
| Origin | United States (USA) |
| Weight | 1.5 kg |
| Dimensions | 173 mm x 205 mm x 55 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 125 to 250 VDC or 100 to 240 VAC |
| Phase Current Inputs | 3 channels (5 A nominal) |
| Ground Current Input | 1 channel (5 A nominal) |
| Digital I/O | 10 contact input channels, multiple output contacts |
| Communications | 100 MB Multi-Mode Fiber Ethernet (IEC 61850, Modbus, DNP3) |
| Operating Humidity | 5 to 95% non-condensing |
| Case Design | Draw-out chassis |
Deterministic Substation Network & Flash Execution
The digital processing core orchestrates current feedback loops and fast arc-flash detection signals, transmitting event records across Profinet / EtherNet/IP deterministic networks and IEC 61850 fiber paths. Internal logic engines maintain precise signal alignment across the backplane bus communication velocity rails during high-density trip evaluations. To preserve system stability under heavy fault recording and I/O density scaling events, the processing hardware syncs fault data without interrupting breaker control routines, ensuring full firmware flash compatibility across active substation automation networks.
Frequently Asked Questions
Q: How do engineers prevent false tripping during firmware flash compatibility procedures on the 350 relay?
A: Technicians must isolate the trip output contacts and switch the local breaker control selector to manual mode before initializing firmware transfers over the Ethernet bus.
Q: What precautions apply to the 5 A nominal current transformer inputs during relay draw-out maintenance?
A: The draw-out chassis automatically short-circuits the secondary current transformer terminals upon extraction to prevent dangerous open-circuit high voltages across the CT inputs.
Q: How does the module handle high I/O density scaling across the 10 contact input channels under severe electrical noise?
A: Internal optical isolation circuits filter field signal chatter and high-frequency noise transients to maintain deterministic input state evaluation during line faults.
Field Installation Guidelines
Chassis Insertion and Mechanical Latching: Insert the draw-out unit smoothly into the outer casing until the internal backplane bus connectors seat fully. Engage the locking levers to maintain solid structural retention and continuous ground connection under high-vibration conditions.
Current Transformer Input Wiring: Connect phase and ground CT secondaries to the designated 5 A screw terminals using low-resistance copper conductors. Verify that all secondary CT wiring loops pass through shorting terminal blocks to facilitate safe diagnostic testing.
Fiber Optic Ethernet Connection: Route 100 MB multi-mode fiber cables through dedicated wire raceways, keeping a minimum bend radius of 30 mm to avoid optical signal attenuation on the IEC 61850 network.