QOB240GFI - 40Amp Circuit Breaker

QOB240GFI - 40Amp Circuit Breaker

The QOB240GFI 40 Amp 2 Pole QOB-GFI Bolt-On Circuit Breaker is designed to provide dependable overcurrent protection while adding ground fault protection for 120/240VAC electrical systems. Rated at 40 amps with a 10kA interrupting capacity, this two-pole breaker is well suited for commercial, industrial, and residential panelboard applications where reliable circuit protection and personnel safety are essential. Its bolt-on mounting design creates a secure connection to compatible panelboards, helping reduce the possibility of movement caused by vibration while supporting long-term electrical performance. Whether you're replacing an existing breaker or maintaining a power distribution system, the QOB240GFI offers the performance and protection professionals expect for demanding electrical installations.

Key Features and Benefits

• 40 Amp Current Rating: 40 amp current rating for medium- to high-capacity branch circuits.
• Two-Pole Design: Two-pole design for use on 120/240VAC electrical systems.
• Integrated Ground Fault Circuit Interrupter (GFI) Protection: Helps detect ground faults and enhances personnel safety.
• 10kA Interrupting Capacity (A.I.C.): 10kA interrupting capacity (A.I.C.) at 120/240VAC for dependable fault interruption.
• Bolt-On Mounting: Bolt-on mounting provides a secure installation in compatible panelboards.
• Equipment Protection: Designed to help protect electrical equipment from overloads, short circuits, and ground fault conditions.
• Ideal for Maintenance, Replacement, and Upgrades: Ideal for maintenance, replacement, and electrical system upgrades in compatible installations.
  

Technical Specifications

• Part Number: QOB240GFI
  
• Type: QOB-GFI
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage: 40 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 4.75 in.
  • Width: 1.50 in.
  • Depth: 2.44 in.

Material Compliance and Certifications

• Industry Standards: The QOB240GFI circuit breaker is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry standards for circuit protection.
• Installation Requirements: Always verify compatibility with your panelboard and ensure installation complies with all applicable national, state, and local electrical codes. Installation should be performed by a qualified electrical professional.
  

Where It Works Best

• The QOB240GFI is an excellent choice for applications requiring both overcurrent protection and ground fault protection in compatible bolt-on panelboards. It is commonly used in commercial buildings, industrial facilities, institutional properties, multifamily housing, and residential electrical systems where GFI protection is required or specified. Its combination of a 40-amp rating, two-pole configuration, and secure bolt-on installation makes it well suited for protecting branch circuits serving equipment that operates on 120/240VAC power.