Siemens BQD120 20 Amp Single-Pole Bolt-On Circuit Breaker – 277VAC/125VDC

The Siemens BQD120 is a single-pole molded case circuit breaker designed for dependable overload and short-circuit protection in commercial and industrial electrical systems. Rated for 277VAC and 125VDC applications, this bolt-on breaker provides secure panel mounting and reliable performance in Siemens panelboards. Its 14 kA interrupting capacity ensures strong fault protection for demanding environments.

Voltage and Rating

• Current Rating: 20 Amp
• Voltage Rating: 277 Volts AC / 125 Volts DC
• Interrupt Rating: 14 kAIC at 277VAC / 125VDC
• Frequency Rating: 50/60 Hz

Key Specifications

• Type: Molded Case Circuit Breaker
• Number of Poles: 1 Pole
• Connection: Bolt-On
• Mounting Type: Bolt-In
• Terminal Type: Load Lug

Electrical Details

• Wire Size Range: 14–1/0 AWG Copper/Aluminum

Physical Specifications

• Weight: 0.584 lb

Certifications & Compliance

• UL 489 Listed
• CSA Certified

Product Data

• • Manufacturer: Siemens
  • Model Number: BQD120
  • UPC: 783643277090

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.