Description
GE TKMA836T450
Technical Specifications
- Frame Type: TKM Series
- Amperage Rating: 450 Amperes
- Poles: 3 Poles
- Voltage Rating: 600V AC Maximum
Functional Features
- Thermal-magnetic overcurrent protection.
- Interchangeable trip units for customizable protection curves.
- Visible blade position indicator for safety.
Application Scenarios
Ideal for motor control centers, industrial feeders, and commercial building main distribution panels.
Performance Parameters
- High interrupting capacity for fault current limitation.
- Mechanically and electrically rated for thousands of operations.
Material Composition
High-impact thermoset housing with silver-plated copper contacts.
Structural Characteristics
Standard 3-pole molded case design with front-accessible terminals and toggle operator.
Working Principle
Utilizes a bimetallic strip for thermal overload protection and an electromagnetic coil for instantaneous short-circuit tripping.
Installation Requirements
- Mount vertically for optimal thermal performance.
- Tighten terminals to manufacturer-specified torque values.
Usage Precautions
- Perform periodic infrared thermography to detect hot spots.
- Test trip mechanisms annually to ensure reliability.




