Overview
The Westinghouse BR320 is a plug-on, 3-pole circuit breaker rated for 20 amperes at 240 volts AC. It features thermal-magnetic protection with a 10 kiloampere interrupting rating and accommodates wire sizes 14 to 4 AWG (aluminum/copper). This breaker delivers reliable overcurrent and short-circuit protection for residential and light commercial electrical systems.
Key Features
- Plug-on design requiring three 1-inch spaces in compatible load centers
- Thermal-magnetic common-trip operation
- UL listed and ANSI certified
- Compact molded-case construction for durable protection
- Accepts both copper and aluminum conductors
- Manual reset with center-off trip indication
Technical Specifications
The BR320 meets all relevant electrical codes and standards for molded-case circuit breakers, making it suitable for modern panel upgrades or replacements.
Typical Applications
- Main and branch circuit protection in residential load centers
- Light commercial panel upgrades and replacements
- Retrofit installations in existing Eaton and Westinghouse enclosures
- Industrial control panel circuits requiring 20A three-pole protection
- Agricultural and small commercial electrical systems
Compatibility & Replacements
Compatible With
- Eaton Cutler-Hammer CPL/CPM panels
- Challenger PL/PM/PMF panels
- Westinghouse GL, GLC, WL, WIB panels
- Novaline panels
- Eaton Type BR load centers and meter breaker panels
Replaces / Drop-In Replacement For
- Original Westinghouse BR320 units
- UL approved replacement for Bryant, Westinghouse and Challenger panels
- Obsolete or damaged BR-series 20A three-pole breakers
Works With
- Standard Type BR plug-in load center architecture
- Residential and light commercial electrical distribution systems
- 120/240V single-phase services
