Description
GE TEYH2125B
Technical Specifications
- Frame Type: TE Series
- Amperage Rating: 125 Amperes
- Poles: 2 Poles
- Voltage Rating: 240V AC Maximum
Functional Features
- Provides robust thermal-magnetic protection against sustained overloads and instantaneous short circuits.
- Features an arc-quenching chamber for enhanced safety during fault interruption.
- Supports field-installable accessories for customized control and monitoring.
Application Scenarios
Extensively utilized in commercial building feeders, industrial motor branch circuits, and light manufacturing power distribution systems.
Performance Parameters
- Standard interrupting rating for 240V systems.
- High mechanical endurance for frequent manual operation.
Material Composition
Housed in a high-impact, flame-retardant thermoplastic enclosure with high-conductivity copper internal busbars and silver-plated contacts.
Structural Characteristics
Sleek, compact design with a color-coded toggle handle and flush-mount capability for panelboards.
Working Principle
Protects conductors and equipment by automatically opening the circuit when current exceeds the thermal or magnetic trip threshold, utilizing a bimetallic strip and electromagnetic solenoid.
Installation Requirements
- Install in a properly rated enclosure or panelboard.
- Torque all terminal connections to manufacturer specifications.
- Ensure proper wire sizing for the 125A rating.
Usage Precautions
- Never use as a routine disconnect switch.
- Investigate and correct the root cause of any trip before resetting.
- Perform periodic infrared inspections to detect loose connections.




