GE L90A00HCHF8AH6BL6BN6BS6BU6BW7A Line Current Differential Relay

Overview 

​The GE Multilin L90A00HCHF8AH6BL6BN6BS6BU6BW7A is a high-performance line current differential relay. It is part of GE's Universal Relay (UR) family, designed for the protection, control, and monitoring of transmission lines and feeders in industrial and utility power systems. This relay offers advanced protection features, high-speed communication, and flexible configuration options, ensuring reliable operation and fault detection in power networks.

Technical Specifications

• Model Number: L90A00HCHF8AH6BL6BN6BS6BU6BW7A

• Type: Line Current Differential Relay

• Protection Functions:

• Phase and Ground Distance Protection

• Directional Overcurrent Protection

• Breaker Failure Protection

• Fault Location Detection

• Communication Protocols:

• IEC 61850

• Modbus RTU/TCP

• DNP3

• Other industry-standard protocols for enhanced connectivity.

• Inputs/Outputs:

• Configurable analog and digital inputs/outputs for diverse applications.

• Display:

• Graphical front panel for clear monitoring and configuration.

• Operating Temperature:

• -40°C to +60°C (-40°F to +140°F) for harsh environmental conditions.

• Power Supply:

• 125/250 VDC or 100–240 VAC with 50/60 Hz frequency.

• Current Inputs:

• Supports 1 A or 5 A phase CTs for precise current measurement.

• Humidity:

• Up to 95% non-condensing, ensuring stable operation in high-moisture environments.

• Mounting Options:

• Can be mounted in a rack or on a panel for flexible installation.