Overview
The Challenger BQ1C020 is a single-pole molded case circuit breaker engineered for dependable electrical protection in industrial, commercial, and residential applications. This bolt-on breaker combines thermal magnetic trip technology with HACR certification, making it particularly suited for HVAC and refrigeration equipment. The compact design and proven Challenger build quality ensure stable performance in demanding environments.
Key Features
- Thermal magnetic trip mechanism with long-time and instantaneous functions
- 10kA interrupting capacity at 120V for reliable fault protection
- HACR-rated for heating, air conditioning, and refrigeration systems
- Bolt-on connection type for secure, straightforward installation
- Molded case construction rated for ambient temperatures to 40°C
- Single-pole, single-phase design for branch circuit protection
Technical Specifications
- Amperage Rating: 20A
- Voltage Rating: 120/240V AC
- Interrupting Capacity (AIC): 10kA @ 120V
- Poles: 1 Pole
- Trip Type: Thermal Magnetic
- Trip Functions: Long-Time (LI) and Instantaneous
- Connection Type: Bolt-On
- Series: BQ Type
- HACR Certification: Yes
- Maximum Operating Temperature: 40°C
Typical Applications
The Challenger BQ1C020 is designed for use in:
- HVAC and refrigeration control circuits
- Commercial and light industrial branch circuits
- Heating equipment protection
- Air conditioning and cooling system circuits
- General residential electrical panels
- OEM equipment control circuits
Compatibility & Replacements
Compatible With
- Challenger main panels and sub-panels with bolt-on bus bars
- Sylvania electrical enclosures (cross-branded compatibility)
- Standard 120/240V single-phase panel applications
- HVAC control systems requiring HACR-rated protection
- Molded case circuit breaker mounting rails
Replaces / Drop-In Replacement For
- Challenger BQ1-C020 (alternate part number designation)
- Sylvania circuit breakers with equivalent BQ1C020 part number
- Direct replacement in existing Challenger panel installations
Works With
- Thermal magnetic trip coordination curves standard to molded case breakers
- UL and NEC-compliant electrical distribution systems
- HVAC control systems and equipment protection schemes
- Standard bolt-on breaker installation practices














