1C30029G04 is a Westinghouse brand relay protection module used for high-voltage circuit isolation and control in power systems, commonly used in transformer and transmission line protection scenarios.

1、 Core parameters
Model: 1C30029G04
Brand: Westinghouse (later merged into Emerson Ovation)
Type: Relay Protection Module/Relay Output Module
Application: Power system protection (transformers, transmission lines), high-voltage circuit isolation and control
Interface: Screw terminals
Installation: DIN rail installation
Origin: United States

2、 Core functions
High voltage isolation: providing electrical isolation for high voltage circuits to achieve safe control of low voltage control signals on high voltage circuits.
Multi contact output: Integrated with multiple relay contacts, which can be driven by external signals or internal logic, used for tripping, alarm, status indication, etc.
Protection linkage: Quickly act in case of power failure, cut off the faulty circuit, and ensure the safety of equipment and the power grid.

3、 Application scenarios
Power Transformer Protection System
High voltage transmission line protection device
Substation secondary circuit control and signal isolation