ABB / GE THQB1120GFEP 20 Amp 1 Pole GFEP Bolt-On Circuit Breaker – THQB Q-Line – 120/240V AC

The ABB / GE THQB1120GFEP is a 20 Amp, 1-pole Ground-Fault Equipment Protection (GFEP) circuit breaker designed to protect electrical equipment from damaging ground faults. It is part of the Q-Line bolt-on breaker family and is used in GE load centers and lighting panels where equipment protection is required without providing personnel GFCI protection. The bolt-on design ensures a secure connection to the panelboard bus system for reliable operation in residential and commercial installations.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 120/240 VAC
• Number of Poles: 1
• Phase: 1-phase applications
• Interrupting Rating: 10 kA @ 120/240 VAC
• Device Type: Ground Fault Equipment Protection (GFEP) Circuit Breaker

Key Specifications

• Series: THQB (Q-Line Bolt-On)
• Breaker Type: Thermal Magnetic with GFEP protection
• Trip Technology: Fixed thermal and instantaneous with ground fault sensing
• Application: Equipment protection against ground faults
• Mounting Style: Bolt-On
• Brand: ABB / GE

Technical Specifications

• Special Classification: GFEP (Ground Fault Equipment Protection)
• Trip Function Code: LI + Ground Fault Protection
• Wire Range: Copper/Aluminum conductors per panel rating
• Safety Features:
  • Non-interchangeable trip
  • Quick-make/quick-break mechanism
  • Common trip functionality
  • Reliable fault interruption

Standards and Approvals

• UL 489 Listed
• CSA Certified
• Q-Line compliance standards

Product Data

• Manufacturer: ABB / General Electric
• Catalog Number: THQB1120GFEP
• Series: THQB Q-Line Bolt-On
• Product Type: Circuit Breaker (GFEP)

Applications

• Equipment ground fault protection
• HVAC systems
• Industrial and commercial panelboards
• Motor and machinery protection

Returns are easy

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

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