BQ1B020H - 20Amp Circuit Breaker

BQ1B020H - 20Amp Circuit Breaker

The Siemens BQ1B020H is a 20 amp, 1-pole bolt-on circuit breaker designed to provide dependable branch circuit protection in commercial, industrial, and electrical distribution applications. Its bolt-on mounting design helps ensure a secure electrical connection, while the included load-side lugs simplify installation and replacement in compatible equipment.

Engineered for use in electrical distribution systems, the BQ1B020H helps protect your conductors and connected equipment from overloads and short circuits that can lead to costly downtime or equipment damage. Whether you're using it for routine maintenance, system upgrades, or replacement of an existing breaker, this Siemens breaker delivers the performance and reliability professionals expect from a UL-listed circuit protection device.

Key Features and Benefits

• 20 Amp Continuous Current Rating: Designed for branch circuit protection in a wide range of electrical distribution applications.
• 1-Pole Configuration: Provides protection for single-phase circuits requiring one protected conductor.
• 22kAIC Interrupting Capacity: Suitable for applications where higher fault current ratings are required.
• Bolt-On Mounting Design: Creates a secure connection within compatible Siemens electrical equipment.
• 120 Volt Rating: Designed for use in compatible 120V electrical systems.
• Load-Side Lugs Included: Helps streamline installation and replacement projects.
• Siemens BQH Series Construction: Built for dependable performance in commercial and industrial environments.
• Compact Footprint: Measures approximately 4 inches high, 1 inch wide, and 3 inches deep.
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BQ1B020H
  
• Product Family: BQH Branch Circuit Breakers
  
• Breaker Type: BQH
  
• Poles: 1
  
• Amperage Rating: 20 Amps
  
• Voltage Rating: 120 Volts
  
• Interrupting Rating: 22kAIC
  
• Connection Type: Bolt-On
  
• Mounting Style: Bolt-On
  
• Load Side Lugs: Included
  
• Product Design: BQ
  
• Dimensions:
  • Height: Approx. 4 in.
  • Width: Approx. 1 in.
  • Depth: Approx. 3 in.
• Net Weight: Approx. 0.331 lb
  

Material Compliance and Certifications

• UL 489 Listed: For molded case circuit breaker applications.
• Manufactured to Siemens Quality Standards: For electrical distribution equipment.
  

Where It Works Best

• The Siemens BQ1B020H is well suited for commercial buildings, industrial facilities, institutional properties, and other electrical distribution systems that require reliable 20 amp branch circuit protection. Its 22kAIC rating makes it particularly useful in installations where available fault current levels exceed the capabilities of standard breakers. Common applications include panelboards, lighting circuits, receptacle circuits, equipment feeds, and other branch circuits that require a 1-pole, 20 amp bolt-on circuit breaker compatible with Siemens BQ-series equipment.