HB2B050 - 50Amp Circuit Breaker

HB2B050 - 50Amp Circuit Breaker

When you need a replacement circuit breaker that matches the original equipment, the Siemens HB2B050 is designed to deliver the proper fit and electrical ratings. This 50 Amp, 2-pole BQ bolt-on molded case circuit breaker is built for branch circuit protection in compatible Siemens panelboards and electrical distribution systems. Its common-trip design disconnects both poles simultaneously whenever an overload or short circuit occurs, helping protect connected conductors and equipment.

Key Features and Benefits

• 50 Amp continuous current rating
• Two-pole common-trip protection
• Rated for 120/240V AC applications
• 65kA interrupting capacity (AIC)
• Bolt-on BQ design for compatible Siemens panelboards
• Molded case construction for branch circuit protection
• Load-side lugs included
• Built to last for long-term service
• Designed as a form, fit, and functional replacement for compatible Siemens BQ breakers
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HB2B050
  
• Manufacturer Part Number (MPN): HB2B050
  
• Product Family: Branch Circuit Breakers
  
• Circuit Breaker Type: BQ (HBQ)
  
• Number of Poles: 2
  
• Trip Type: Common Trip
  
• Amperage: 50 Amps
  
• Voltage Rating: 120/240V AC
  
• Interrupting Rating: 65kA AIC
  
• Connection Type: Bolt-On
  
• Application: Branch Circuit Protection
  
• Electrical Distribution Use: Yes
  
• Load-Side Lugs: Included
  
• Dimensions: 4 in. D × 3 in. W × 2 in. H
  
• Weight: 0.617 lb.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
• REACH Article 33 information available from the manufacturer
• RoHS compliance information not specified by the manufacturer
  

Where It Works Best

The Siemens HB2B050 is intended for use in compatible Siemens BQ bolt-on panelboards serving residential, commercial, and light industrial electrical distribution systems. It is well suited for replacing an existing 50 Amp, 2-pole breaker with matching voltage, interrupting capacity, and mounting requirements.