GE L90A00HCHF8AH6BL6BN6BS6BU6BW7A Line Current Differential Relay

The L90A00HCHF8AH6BL6BN6BS6BU6BW7A is a Line Current Differential Relay designed for high-speed protection of transmission lines and feeders. It is part of GE’s Universal Relay (UR) family. This relay provides advanced protection, control, and monitoring for critical industrial applications.

Technical Specifications

• Model Number: L90A00HCHF8AH6BL6BN6BS6BU6BW7A

• Type: Line Current Differential Relay

• Voltage Levels: Compatible with various transmission line voltage levels

Protection Features

• Current Differential Protection: Provides high-speed protection for transmission lines.

• Distance Protection: Offers backup protection to prevent faults.

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

• Single and Three-Pole Tripping: Ensures effective tripping based on the application.

Communication Protocols

The L90A00HCHF8AH6BL6BN6BS6BU6BW7A supports several communication protocols:

• Ethernet

• Modbus

• DNP3

• IEC 61850

These protocols ensure seamless integration with industrial control systems.

Sampling and Accuracy

• Synchronized Sampling: Delivers accurate measurements for precise protection.

Environmental Conditions

• Operating Temperature: Ranges from -40°C to +70°C (-40°F to +158°F), ensuring reliable performance in harsh environments.