Siemens B120 20 Amp Single-Pole Thermal Magnetic Circuit Breaker – 120V – Bolt-On

The B120 Thermal Magnetic Circuit Breaker from Siemens delivers reliable overcurrent and short-circuit protection for branch circuits in residential and light commercial applications. Designed specifically for Siemens load centers, this single-pole breaker features a bolt-on mounting style for a secure, vibration-resistant installation.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 120 Volts AC
• Interrupt Rating: 10 kA

Breaker Details

• Breaker Type: Thermal Magnetic Circuit Breaker
• Number of Poles: Single-Pole
• Mounting Type: Bolt-On
• Panel Compatibility: Siemens Load Centers

Physical Specifications

• Dimensions (H × W × L): 4.33 × 12.60 × 3.54 inches
• Weight: 0.309 lb

Certifications

• UL 489 Listed

Product Data

• • Brand: Siemens
  • Manufacturer: Siemens AG
  • Model Number: B120
  • UPC: 783643263420

Returns are easy

You may return items within 10 days of delivery for a refund.

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My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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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.