B250HH - 50Amp Circuit Breaker

B250HH - 50Amp Circuit Breaker

The Siemens B250HH molded case circuit breaker is engineered for dependable overcurrent protection in commercial and industrial electrical distribution systems where performance and safety matter most. Designed as a 50-amp, 2-pole breaker with a 120/240VAC rating, the B250HH combines thermal magnetic trip protection with a high 65kA interrupting capacity, helping protect your equipment and electrical infrastructure from overloads and short circuits in demanding applications. Its bolt-on mounting configuration supports secure installation in compatible panelboards, while its compact HBL design makes it a practical choice for facilities that require efficient use of panel space. Built to meet UL 489 standards, this Siemens breaker delivers the reliability that electricians, contractors, and maintenance professionals expect in critical power distribution environments.

Key Features and Benefits

• 50 Amp Continuous Current Rating: Ideal for branch circuit protection in commercial and industrial electrical systems.
• 2-Pole Configuration: Provides reliable protection for 120/240V applications.
• High 65kA Interrupting Capacity: Helps safely interrupt high fault currents in demanding environments.
• Thermal Magnetic Trip Unit: Offers dependable overload and short-circuit protection.
• Bolt-On Mounting Design: Supports secure panelboard installation and improved connection stability.
• Compact HBL Construction: Fits efficiently into compatible Siemens electrical distribution systems.
• UL 489 Listed: Manufactured to meet recognized industry safety and performance standards.
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: B250HH
  
• Product Type: Molded Case Circuit Breaker
  
• Series: HBL
  
• Poles: 2
  
• Amperage Rating: 50A
  
• Voltage Rating: 120/240VAC
  
• Interrupt Rating: 65kAIC
  
• Trip Type: Thermal Magnetic
  
• Mounting Type: Bolt-On
  
• Application: Electrical Distribution
  
• Standard: UL 489
  
• Dimensions: Approx. 2.756" L x 1.969" W x 3.937" H
  
• Weight: Approx. 0.661 lb
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• The Siemens B250HH circuit breaker is manufactured in accordance with UL 489 for molded-case circuit breakers, helping ensure compliance with established electrical safety and operational requirements.
  

Where It Works Best

• Commercial buildings and office facilities
• Industrial control panels
• Manufacturing plants
• Distribution panels and panelboards
• Mechanical and HVAC equipment protection
• Electrical maintenance and retrofit projects