Overview
The General Electric TED134020 is a 3-pole molded case circuit breaker from GE’s E150 series, engineered for industrial and commercial power distribution applications. Rated at 20A with 480V maximum voltage and 18kA interrupting capacity at 480V, this breaker delivers reliable thermal-magnetic overcurrent protection in branch circuit and feeder installations.
Key Features
- Thermal-magnetic trip mechanism with fixed thermal and adjustable magnetic components
- 3-pole, 3-phase configuration suitable for balanced three-phase loads
- Bolt-on installation into GE A-Series and Spectra panelboards
- Factory-installed line and load side lug terminals for direct connection
- Standard 40°C ambient temperature rating
- Long-time and instantaneous trip protection functions
Technical Specifications
- Amperage: 20A
- Voltage Rating: 480V AC (suitable to 600V AC systems)
- Interrupting Capacity: 18kA at 480V; 14kA at 600V; 10kA at 500V DC
- Poles: 3
- Mounting: Bolt-on
- Thermal-magnetic protection: Yes
- Ambient Temperature: 40°C
- Dimensions: 6.3″ W × 4.1″ D × 3.38″ H
- Terminal Type: Lug (aluminum/copper)
- Neutral: None (3-pole only)
Typical Applications
- Industrial power distribution and branch circuit protection
- Motor control centers and switchboards
- Three-phase electrical systems requiring reliable overcurrent protection
- Commercial HVAC, manufacturing, and process control installations
- Retrofit and upgrade installations in legacy GE panelboard systems
Compatibility & Replacements
Compatible With
- GE A-Series panelboards
- GE Spectra panelboards
- GE motor control centers
- GE switchboards and distribution equipment
- 480V/600V three-phase power systems
Replaces / Drop-In Replacement For
- GE TEF134020 (officially superseded by TED134020)
- Previous E-Frame legacy installations requiring modern equivalents
Works With
- GE E150 circuit breaker series components
- Standard molded case circuit breaker accessories and lug assemblies
- Three-phase metering and monitoring systems
- Industrial control systems using standard thermal-magnetic protection
