Overview
The General Electric TED134040 is a molded case circuit breaker designed for three-phase power distribution in industrial and commercial electrical systems. Rated at 40 amps, 480 volts, with an AIC rating of 18kA@480V, this TED-frame breaker delivers robust fault-current interruption and thermal-magnetic trip protection. It features a bolt-on connection type and includes LI (long time) and instantaneous functions for precise load protection.
Key Features
- Member of the E150 Line family; 3-pole, 480-volt, 40-amp rated with 18kA@480V AIC rating
- Bolt-on connection with thermal-magnetic protection
- Load side lug terminal connection with non-interchangeable and thermal magnetic trip function
- UL listed, CSA certified, and HACR rated
- Suitable for reverse feed applications
- Long service life in retrofit and new installation scenarios
Technical Specifications
Interrupt current rating is 18 kilo-amps at 480-volt AC and 10 kilo-amps at 500-volt DC. Dimensions measure 4-1/8-inch x 3-3/8-inch x 6-5/16-inch. All components comply with UL 489, UL 1066, ANSI C37, and NETA standards.
Typical Applications
The General Electric TED134040 is commonly used in:
- Industrial motor control centers and load centers
- Commercial panelboards and distribution switchgear
- Factory automation and process control circuits
- Building HVAC and mechanical systems
- Machinery and equipment branch protection
Compatibility & Replacements
Compatible With
- General Electric panelboards and load centers
- GE switchgear assemblies (E150 Line and compatible frames)
- 480V, 3-phase industrial power distribution systems
- Standard molded case circuit breaker accessories (trip units, shunt trips, auxiliary contacts)
Replaces / Drop-In Replacement For
- General Electric TED134040ST12 (standard duty version)
- Earlier-generation GE TED-frame 40-amp, 480V breakers in the E150 series
Works With
- UL 489 and NETA-compliant electrical systems
- Thermal-magnetic protection schemes
- Line and load side lug terminations in standard panelboards
- Industrial control networks requiring manual or automated circuit isolation
