350-C-P5-G5-H-S-M-N-P-SN-D-N | GE Multilin | Feeder Protection Relay

Product Description

The GE Multilin 350 Feeder Protection Relay is a versatile and cost-effective solution for industrial and distribution feeder applications. The 350-C-P5-G5-H-S-M-N-P-SN-D-N integrates advanced monitoring, trip counting, ambient temperature supervision, and configurable input/output functions, ensuring reliable feeder protection in demanding environments.

This relay provides precise timing accuracy, cold load pickup blocking, and multiple opto-isolated inputs, making it suitable for modern power systems requiring dependable performance and flexible configuration.

Technical Specifications

• Manufacturer: GE Multilin

• Model Number: 350-C-P5-G5-H-S-M-N-P-SN-D-N

• Product Type: Feeder Protection Relay

• Breaker Trip Counter: Adjustable 1–10,000 trips (increments of 1)

• Cold Load Pickup Blocking: Automatic or manual configuration

• Time Delay Accuracy:

• Block Time: 0–1 cycle adjustable

• Outage ≤ 5 min: ±50 ms

• Outage > 5 min: ±1 s

• Ambient Temperature Monitoring:

• High Pickup: 20°C–80°C (1°C steps)

• Low Pickup: –40°C–20°C (1°C steps)

• Time Delay: 1–60 min (1 min steps)

• Dropout: 90%–98% of pickup temperature

• Accuracy: ±10°C

• Contact Inputs:

• 8 opto-isolated inputs

• Thresholds: 17, 33, 84, 166 VDC

• Recognition Time: ½ cycle

• Debounce: 1–64 ms (1 ms steps)

• Continuous Current Draw: 2 mA

• Max Input Voltage: 300 VDC

Key Features

• Adjustable breaker trip counter with high precision

• Configurable cold load pickup blocking

• Ambient temperature monitoring with dropout control

• Eight opto-isolated inputs with selectable thresholds

• High accuracy timing and monitoring functions

Application Scenarios

• Industrial feeder protection and monitoring

• Utility distribution systems requiring advanced relay functions

• Integration into SCADA and energy management platforms

FAQ

Q: What is the purpose of the GE 350 relay?  

A: It provides feeder protection, monitoring, and trip counter functions for industrial and utility systems.

Q: How many contact inputs are available?  

A: The relay includes eight opto-isolated inputs with selectable thresholds.

Q: Can the relay monitor ambient temperature?

A: Yes, it supports adjustable high/low pickup values and dropout control.