GE L90A00HCHF8AH6UL6CW7D Line Current Differential Relay

The GE L90A00HCHF8AH6UL6CW7D is a high-speed Line Current Differential Relay designed for protecting transmission lines and feeders. It is part of GE’s Universal Relay (UR) family and is engineered to provide advanced protection and control for critical industrial applications, ensuring reliable operation in harsh environments.

Technical Specifications

• Model Number: L90A00HCHF8AH6UL6CW7D

• Type: Line Current Differential Relay

• Voltage Levels: Suitable for various transmission line voltage levels

Protection Features

• Current Differential Protection: Detects faults by comparing current at both ends of the line.

• Distance Protection: Protects based on the distance to the fault.

• Dual-Breaker Applications: Supports systems with dual-breaker configurations.

• Single and Three-Pole Tripping: Provides flexible fault isolation options.

Communication Protocols

• Ethernet

• Modbus

• DNP3

• IEC 61850

Sampling

• Synchronized Sampling: Ensures precise and accurate measurements.

Operating Temperature

• Range: -40°C to +70°C (-40°F to +158°F)

Applications

• Transmission lines

• Feeders

• Automated substation control systems