GE Multilin C60H03HKH Breaker Protection and Control Relay

Product Description

The GE Multilin C60H03HKH is a high-performance breaker protection and control relay, specifically engineered for modern substations and industrial power systems. It combines comprehensive protection, precise monitoring, and advanced automation, ensuring reliable operation of critical circuit breakers under demanding conditions. Moreover, its modular UR series design allows seamless integration into complex dual‑breaker busbar arrangements, including breaker‑and‑a‑half or ring bus topologies.

This relay delivers fast fault detection and breaker failure protection, reducing system downtime and improving operational reliability. In addition, programmable FlexLogic™ allows engineers to create custom automation schemes, enabling intelligent control across the substation network. The C60H03HKH also supports IEC 61850 and industry-standard communication protocols, ensuring smooth integration with SCADA systems and modern substation automation platforms.

Key Features

• Complete breaker protection with trip circuit and breaker failure monitoring

• Supports dual-busbar configurations including breaker‑and‑a‑half and ring bus

• Flexible automation using programmable FlexLogic™ logic

• High-speed communication with IEC 61850, Modbus, and DNP3 protocols

• Multiple digital and analog inputs for precise breaker and CT signal acquisition

• Rugged design suitable for industrial and substation environments

Technical Specifications

Protection Functions:

• Breaker failure protection

• Trip circuit monitoring

• Synchronism check and reclosing logic

• Current summation from up to 4 CT sets (via conventional wiring or IEC 61850 process bus)

Control Functions:

• Breaker open/close control

• Interlocking schemes for dual-breaker configurations

• Programmable FlexLogic™ for custom automation

Inputs/Outputs:

• Multiple digital inputs/outputs for breaker status and control

• Analog inputs for current transformer (CT) signals

Communication Interfaces:

• IEC 61850 Edition 2

• Modbus, DNP3, and other industry protocols

• Ethernet and RS485 ports

Mechanical & Environmental:

• Modular, rack-mount UR chassis

• Operating temperature: –40 °C to +70 °C

• Substation-hardened for durability

Typical Applications

• Transmission and distribution substations requiring reliable breaker monitoring

• Industrial power networks with complex busbar arrangements

• Substation automation schemes integrating SCADA or IEC 61850 communications

• Systems needing fast fault detection and breaker failure protection

Benefits

• Enhances system reliability with rapid fault detection and isolation

• Reduces maintenance costs through integrated diagnostics and monitoring

• Provides flexible automation for complex substation schemes

• Ensures seamless interoperability with SCADA and modern automation systems

FAQ

Q1: Can the C60H03HKH be used with multiple CT sets?
A1: Yes, it supports current summation from up to four CT sets via conventional wiring or IEC 61850 process bus.

Q2: What busbar configurations are supported?
A2: Dual-breaker schemes such as breaker-and-a-half and ring bus configurations are fully supported.

Q3: Which communication protocols are available?
A3: IEC 61850 Edition 2, Modbus, DNP3, Ethernet, and RS485 are supported for seamless integration.

Q4: Is this relay suitable for harsh environments?
A4: Yes, it is designed to operate between –40 °C and +70 °C and meets industrial substation standards.