Overview
The Challenger C270 circuit breaker is a two-pole molded case unit providing reliable overcurrent protection in residential and light commercial electrical systems. Rated at 70A with 120/240V service capability, this thermal magnetic breaker delivers dependable performance for protecting branch circuits and main load applications. The C270 design features long-time and instantaneous trip functions, making it suitable for standard to high-demand electrical protection needs.
Key Features
- 70 amp rated capacity with dual-pole configuration
- Thermal magnetic trip mechanism for fast, accurate fault response
- Plug-on design for quick installation and removal from load centers
- Long-time and instantaneous (LI) trip functions for enhanced protection
- HACR rated for HVAC and air conditioning applications
- Compact 1-inch profile for space-efficient panel mounting
Technical Specifications
- Amperage Rating: 70A
- Voltage Rating: 240V (120/240V capable)
- Poles: 2 (two-pole)
- Trip Type: Thermal Magnetic
- Interrupting Capacity: 10 kAIC @ 240V
- Mounting Type: Plug-In
- Trip Functions: Long-Time (LI) and Instantaneous
- HACR Rating: Yes (HVAC applications)
- Series: Challenger C Series
Typical Applications
- Branch circuit protection in residential and light commercial installations
- HVAC system protection and control panels
- Main breaker or sub-panel applications
- Electrical distribution and load management
- Retrofit and replacement installations in legacy panel upgrades
Compatibility & Replacements
Compatible With
- Challenger Type C load centers and panelboards
- Eaton BR and Westinghouse BR load centers
- Standard 120/240V single-phase electrical systems
- HVAC and air conditioning equipment (HACR rated)
Replaces / Drop-In Replacement For
- Eaton Westinghouse BR270 circuit breaker
- Eaton UBITBC270 circuit breaker
- Legacy Challenger C-series 70A two-pole breakers
Works With
- Challenger, Eaton, and Westinghouse panelboard systems
- Standard North American 120/240V single-phase distribution
- Residential and commercial electrical management systems












