Siemens B220GFH Molded Case Circuit Breaker – BLH Series – 20A – 2 Pole – 120/240V – 5mA Class A GFCI – 22kAIC – Bolt-On

The Siemens B220GFH is a BLH Series molded case circuit breaker designed for reliable overcurrent protection and high-sensitivity ground fault protection in commercial and industrial electrical systems. This 20A, two-pole breaker provides Class A 5mA personnel protection, making it suitable for applications where enhanced shock protection is required.

Engineered for Siemens P1 through P5 panelboards, the B220GFH features a bolt-on mounting design and a pigtail neutral connection for secure and efficient installation. It incorporates thermal magnetic trip technology along with ground fault protection and a self-test function to ensure continuous operational safety.

Specifications

• Brand: Siemens
• Series: BLH
• Part Number: B220GFH
• Special Classification: GFCI
• Mounting Style: Bolt-On
• Terminal Type: Lugs

Electrical Ratings

• Amperage: 20A
• Number of Poles: 2 Pole
• Phase: 1 Phase
• Voltage Rating: 120/240VAC
• Interrupting Capacity: 22kA @ 120/240VAC
• Ground Fault Protection: 5mA (Class A)

Trip Characteristics

• Trip Technology: Thermal Magnetic
• Trip Function Code: LIG
  • Long-Time Protection
  • Instantaneous Protection
  • Ground Fault Protection
• Trip Adjustability: Fixed
• Self-Test Function: Yes

Wiring & Termination

• Wire Range:
  • 14–10 AWG (Copper)
  • 12–10 AWG (Aluminum)
• Max Wire Size: 10 AWG
• Min Wire Size: 14 AWG (Cu), 12 AWG (Al)
• Neutral: Pigtail connection

Compatibility

• For Use With: Siemens P1, P2, P3, P4, P5 panelboards
• Mounting: Bolt-on design

Standards and Approvals

• UL 489
• UL 943
• CSA C22.2 No. 5
• CSA Approved
• HACR Rated

Technical Features

• Class A 5mA personnel GFCI protection
• Thermal magnetic overcurrent protection
• High interrupting capacity (22kAIC)
• Self-test safety functionality
• HACR-rated construction for HVAC compatibility
• Durable molded case design for industrial use
• Secure bolt-on installation system

Applications

• Commercial electrical distribution systems
• Industrial power panels and MCCs
• Personnel protection circuits (Class A GFCI)
• HVAC and motor-driven equipment
• Wet or high-risk electrical environments
• Branch circuit protection in panelboards
• Safety-critical electrical installations

Returns are easy

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

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