HB3B020 - 20Amp Circuit Breaker

HB3B020 - 20Amp Circuit Breaker

The Siemens HB3B020 is a 20 Amp, 3-pole BQ bolt-on circuit breaker designed for use in compatible Siemens electrical distribution equipment. Rated for 240V AC with a 65kA interrupting capacity (AIC), it provides branch circuit protection by helping guard against overloads and short circuits. Whether you're replacing a worn breaker during maintenance or restoring an existing electrical system, the HB3B020 is intended as a form, fit, and functional replacement that matches the original equipment specifications.

Key Features and Benefits

• 20 Amp current rating
• Three-pole common-trip configuration
• Rated for 240V AC applications
• BQ molded case circuit breaker
• Bolt-on mounting for compatible Siemens panelboards
• Load-side lugs included
• Helps protect branch circuits from overloads and short circuits
• Form, fit, and functional replacement for compatible Siemens equipment
• Built to last for dependable, long-term service
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HB3B020
  
• Manufacturer Part Number (MFN): HB3B020
  
• Product Family: Branch Circuit Breakers
  
• Series: BQ / HBQ
  
• Circuit Breaker Type: HBQ
  
• Poles: 3
  
• Trip Type: Common Trip
  
• Current Rating: 20 Amps
  
• Voltage Rating: 240V AC
  
• Interrupting Rating: 65kA AIC
  
• Connection Type: Bolt-On
  
• Application: Electrical Distribution
  
• Load-Side Lugs: Included
  
• Design: BQ Molded Case Circuit Breaker
  
• Dimensions: 3 in. D × 3 in. W × 4 in. H
  
• Package Dimensions: 2.756 in. L × 2.756 in. W × 3.937 in. H
  
• Net Weight: 1.124 lb.
  
• UPC: 783643111264
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
• REACH Article 33: Information available from the manufacturer
• RoHS: Compliance information not available from the manufacturer
• SCIP Number: Not available from the manufacturer
  

Where It Works Best

The Siemens HB3B020 is intended for use in compatible Siemens BQ bolt-on panelboards serving commercial, industrial, and institutional electrical distribution systems. It is well suited as a replacement where the original installation specifies a 20 Amp, 3-pole, 240V AC bolt-on circuit breaker with a 65kA interrupting capacity.