QOB120 - 20 Amp Circuit Breaker

QOB120 - 20 Amp Circuit Breaker

The QOB120 bolt-on circuit breaker is a dependable choice for protecting individual branch circuits in your commercial, industrial, and residential electrical distribution systems. Designed as a 20-amp, single-pole circuit breaker, it helps you safeguard electrical equipment and wiring from overloads and short circuits while providing reliable performance in compatible bolt-on panelboards. Its bolt-on mounting design creates a secure mechanical and electrical connection, making it well-suited for applications where vibration resistance and long-term stability are important. Rated for 120/240VAC with a 10k A.I.C. interrupting capacity, the QOB120 delivers the circuit protection professionals expect for a wide range of lighting, receptacle, and general-purpose branch circuits. Whether you're replacing an existing breaker during maintenance or completing a new installation, this Type QOB breaker offers dependable protection while helping keep your electrical system operating safely and efficiently.

Key Features and Benefits

• 20 Amp Current Rating: 20 Amp current rating for dependable branch circuit protection.
• Single-Pole Design: Single-pole design for 120/240VAC electrical systems.
• Bolt-On Mounting: Bolt-on mounting provides a secure, stable connection to compatible panelboards.
• 10k A.I.C. Interrupting Capacity: 10k A.I.C. interrupting capacity at 120/240VAC.
• Overload and Short-Circuit Protection: Helps protect wiring and connected equipment from overloads and short circuits.
• Compact Footprint: Compact footprint makes installation and replacement straightforward in compatible equipment.
• Type QOB Applications: Suitable for maintenance, repair, and electrical system upgrades where a Type QOB breaker is specified.
  

Technical Specifications

• Part Number: QOB120
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 1
  
• Amperage: 20 Amps
  
• Voltage: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 0.75 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Compatible Electrical Distribution Systems: Manufactured for use in compatible electrical distribution systems.
• Industry Standards: Built to meet applicable industry standards for circuit protection when installed according to applicable electrical codes and manufacturer requirements.
• Compatibility Verification: Verify compatibility with your panelboard and local electrical code requirements before installation.
  

Where It Works Best

• The QOB120 is ideal for protecting 20-amp branch circuits in commercial buildings, industrial facilities, institutional properties, and residential applications that utilize compatible Type QOB bolt-on panelboards. It is commonly used for lighting circuits, receptacle circuits, office spaces, retail environments, equipment rooms, and other general-purpose electrical distribution applications that require secure bolt-on installation and reliable overcurrent protection.