GE TEYH2125B

Product Introduction
The TEYH2125B is a heavy-duty, molded case circuit breaker (MCCB) manufactured by General Electric. It is engineered to provide reliable overcurrent protection and safe circuit isolation in demanding industrial and commercial power distribution networks.

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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.