QOB21001021 - 100A Circuit Breaker

QOB21001021 - 100A Circuit Breaker

The QOB21001021 is a 2-pole, 100-amp Type QOB bolt-on circuit breaker designed to provide dependable overcurrent protection for your commercial, industrial, and OEM electrical distribution systems. Equipped with an integrated 120VAC shunt trip device, this breaker allows for remote tripping when connected to an external control circuit, making it an excellent choice for applications requiring emergency shutdown capabilities, fire alarm integration, or automated safety systems. With a 10kA interrupting rating at 120/240VAC, the QOB21001021 helps you to protect branch circuits and connected equipment from overloads and short circuits while offering the secure installation benefits of a bolt-on mounting design. Its compact footprint also makes it well-suited for panelboards where space and reliability are equally important.

Key Features and Benefits

• 100 Amp current rating for higher-capacity branch circuit protection.
• 2-pole configuration for 120/240VAC electrical systems.
• Bolt-on mounting design helps provide a secure, vibration-resistant connection.
• Integrated 120VAC shunt trip device enables remote electrical tripping for enhanced safety and control.
• 10kA interrupting capacity at 120/240VAC for dependable fault current protection.
• Designed for use in compatible Type QOB panelboards and distribution equipment.
• Compact design supports efficient installation in electrical panels.
  

Technical Specifications

• Part Number: QOB21001021
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage: 100 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Shunt Trip: 120VAC Integrated Shunt Trip Device
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 2.25 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• The QOB21001021 is manufactured for use in electrical power distribution systems and is intended to meet applicable industry performance requirements for its product class. It is designed for installation in compatible equipment and should always be installed in accordance with applicable electrical codes, manufacturer recommendations, and local regulations. Compatibility with the intended panelboard or distribution equipment should be verified before installation.
  

Where It Works Best

• The QOB21001021 is an excellent choice for electrical systems that require both dependable circuit protection and remote trip functionality. Typical applications include commercial buildings and office facilities, industrial manufacturing environments, control panels and automation systems, equipment requiring emergency power disconnect capability, fire alarm and life safety system integration, mechanical rooms and electrical distribution panels, and OEM equipment and machinery installations. Its combination of 100-amp capacity, bolt-on installation, and an integrated 120VAC shunt trip device makes this breaker particularly well suited for applications where safety, remote operation, and reliable overcurrent protection are essential.