BF120H - 20Amp Circuit Breaker

BF120H - 20Amp Circuit Breaker

The Siemens BF120H is a 20 amp, 1-pole GFCI circuit breaker for your 120V electrical systems. Part of the Siemens BLHF2 series, it combines thermal-magnetic overcurrent protection and Class A 5 mA ground fault protection in a single breaker. It is designed to interrupt overloads, short circuits, and ground fault conditions and is intended for use in compatible Siemens panelboards.

With a 22 kAIC interrupting rating, the BF120H is commonly used in applications where higher available fault current is present.

Key Features and Benefits

• 20 amp current rating
• Single-pole configuration
• 120VAC operation
• Class A GFCI protection with a 5 mA trip threshold
• Thermal-magnetic trip mechanism
• Protection against overloads, short circuits, and ground faults
• 22 kAIC interrupting capacity
• Panelboard mounting design
• Compatible with designated Siemens panelboard applications
• Combines circuit protection and GFCI protection in one device
• Built for long-term use in properly maintained electrical systems
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BF120H
  
• Manufacturer Part Number (MPN): BF120H
  
• Series: BLHF2
  
• Product Type: GFCI Circuit Breaker
  
• Amperage Rating: 20A
  
• Voltage Rating: 120VAC
  
• Number of Poles: 1
  
• Ground Fault Trip Level: 5 mA
  
• Trip Type: Thermal-Magnetic
  
• Interrupting Rating: 22 kAIC
  
• Mounting Type: Panelboard Mounting
  
• Application: Electrical Distribution
  
• UPC: 783643069619
  
• Net Weight: 0.419 lb
  

Material Compliance and Certifications

• UL 943 Listed
• Manufactured to Siemens electrical distribution specifications
• Intended for Class A ground fault circuit interrupter applications
• Suitable for installation in accordance with applicable electrical codes
• Designed for use in compatible Siemens electrical distribution equipment
  

Where It Works Best

• The Siemens BF120H is commonly installed in commercial buildings, schools, healthcare facilities, industrial facilities, service areas, utility rooms, workshops, kitchens, and maintenance spaces where GFCI protection is required on 120V circuits. It is often used during maintenance and replacement projects where matching the existing breaker's amperage, voltage rating, pole configuration, and interrupting capacity is necessary to maintain the original electrical system configuration.