Overview
The General Electric THED136015 is a heavy-duty molded case circuit breaker from the E150 line, delivering thermal-magnetic trip protection for 3-phase electrical systems. Rated for 15A at 600VAC with a 25kA interrupting capacity at 480V, this breaker combines long-time and instantaneous protection functions to safeguard equipment from overloads and short circuits in demanding industrial and commercial power distribution environments.
Key Features
- 3-Pole Configuration: Designed for 3-phase, three-wire applications requiring simultaneous protection across all phases
- Thermal-Magnetic Trip Unit: Long-time and instantaneous (LI) protection—thermal element responds to sustained overloads while magnetic element triggers on high-current faults
- 600VAC Rating: Suitable for high-voltage industrial circuits and distribution panels rated up to 600V
- 25kA Interrupting Capacity: High fault current handling at 480V ensures safe interruption of significant short-circuit events
- Bolt-On Mounting: Quick, secure installation into standard panelboards and switchboards using load-side lug connections
- E150 Frame Series: Standardized footprint compatible with existing E150 installations and replacements
Technical Specifications
- Part Number: THED136015
- Manufacturer: General Electric (GE)
- Breaker Type: Molded Case, Type THED
- Poles: 3
- Current Rating: 15 Amps
- Voltage Rating: 600VAC
- Trip Unit: Thermal-Magnetic (HI-BREAK)
- Interrupting Rating: 25kA @ 480VAC; 65kA @ 240VAC
- Mounting Type: Bolt-On
- Connection Type: Load-Side Lug Terminals
- Frame Series: E150
- Certifications: UL 489, UL 1066, ANSI C37
Typical Applications
The THED136015 is ideal for:
- Industrial motor circuits and branch feeder protection
- Commercial panelboards and switchboards rated 600V or less
- Power distribution systems requiring 15A load protection
- Machine tool circuits and process equipment branch feeds
- Data centers and facilities requiring reliable three-phase power management
Compatibility & Replacements
Compatible With
- General Electric E150 frame panelboards and switchboards
- Industrial and commercial power distribution equipment rated 600VAC
- Bolt-on mounting configurations in standard enclosures
- Three-phase, three-wire electrical systems
- Systems compliant with UL 489 and ANSI C37 standards
Replaces / Drop-In Replacement For
- Obsolete or failed General Electric THED136015 units
- Other E150 frame 3-pole 15A 600V molded case breakers with equivalent trip characteristics
- Verify specific mechanical fit and electrical compatibility with your system integrator before installation
Works With
- UL 489-listed panelboards and distribution equipment
- NFPA 70 (National Electrical Code) compliant installations
- Industrial power management and monitoring systems
- Standard bolt-on breaker slot configurations in GE enclosures





