Siemens BQC-H2B020 Circuit Breaker, 20A, 2-Pole, 277V

Siemens BQC-H2B020 Circuit Breaker is designed for demanding industrial electrical service, maintenance, and replacement projects. With a 20 A rating, 2 poles, and a 277 V operating level, this breaker delivers dependable protection for distribution circuits in commercial and light industrial environments.

Key specifications

• Manufacturer: Siemens
• Part Number: BQC-H2B020
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 2
• Voltage: 277 V

What it means for your electrical system

The two-pole design disconnects both live conductors on a fault, providing coordinated protection for 277 V circuits and the equipment they feed. A 20 A rating is well-suited for branch circuits in commercial or industrial settings that require reliable protection without frequent trips. This breaker is purpose-built for industrial service, maintenance, and replacement projects where quick, dependable replacement is essential to minimize downtime.

Ideal use cases

• 277 V lighting and control circuits in warehouses, manufacturing floors, and large facilities
• Replacement for aging or failed two-pole breakers in industrial panels
• Spare part for maintenance crews servicing Siemens-based electrical distribution systems

Compatibility and getting the right fit

Notes: Verify fit by part number and application requirements to ensure seamless integration in your panel or distribution setup. If you’re unsure about compatibility, our team can help confirm fitment based on the BQC-H2B020 specification.

Need help?

Need assistance matching a part number or confirming compatibility? Message us and we’ll help you verify the fit and get you set up with the right Siemens circuit breaker for your 277 V system.