Siemens BF120A Ground Fault Circuit Interrupter (GFCI) Circuit Breaker – BL Series – 20A – 1 Pole – 120V – Bolt-On – 10kAIC

The Siemens BF120A is a BL Series Ground Fault Circuit Interrupter (GFCI) circuit breaker designed to provide reliable protection against ground faults, overloads, and short circuits in commercial and light industrial electrical systems. This 20A, single-pole breaker enhances electrical safety by detecting leakage currents and interrupting the circuit before hazardous conditions can occur.

Built with thermal magnetic trip technology, the BF120A delivers dependable circuit protection while its bolt-on design ensures secure installation in compatible Siemens panelboards and distribution equipment.

Specifications

• Brand: Siemens
• Manufacturer: Siemens
• Part Number: BF120A
• Series: B / BL Series
• Type: BLF
• Product Type: GFCI Circuit Breaker
• Connection Type: Bolt-On

Electrical Ratings

• Current Rating: 20A
• Number of Poles: 1 Pole
• Voltage Rating: 120V AC
• Phase: 1 Phase
• Interrupting Capacity: 10kAIC (10,000A)

Protection Features

• Ground Fault Circuit Interrupter (GFCI) Protection
• Thermal Magnetic Trip Mechanism
• Overload Protection
• Short-Circuit Protection
• Ground Fault Detection for Personnel Safety

Technical Features

• Bolt-on mounting for secure panelboard installation
• Load-side lug terminal connection
• Compact molded case construction
• Reliable thermal magnetic operation
• Suitable for commercial and light industrial applications

Physical Specifications

• Dimensions (H × W × L): 3.5 × 1 × 3 in

Standards and Approvals

• UL Listed
• CSA Certified
• NOM Certified

Applications

• Commercial electrical distribution systems
• Branch circuit protection
• Receptacle circuits requiring GFCI protection
• Maintenance and service areas
• Light industrial facilities
• Personnel protection applications
• Panelboard installations

Returns are easy

You may return items within 30 days of delivery for a refund.

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