QOB1201021 - 20A Circuit Breaker

QOB1201021 - 20A Circuit Breaker

The QOB1201021 is a 1-pole, 20-amp bolt-on circuit breaker designed to provide dependable branch circuit protection in your commercial, industrial, and institutional electrical systems. Built as a Type QOB breaker, it features a 120VAC shunt trip device that allows the breaker to be tripped remotely when connected to an external control circuit, making it an excellent choice for applications requiring emergency shutdown capabilities or automated power interruption. With a 10kA interrupting capacity at 120/240VAC, this breaker is well-suited for protecting electrical equipment from overloads and short circuits while helping you maintain system safety and reliability. Its bolt-on mounting design creates a secure connection to compatible panelboards, reducing movement and supporting long-term performance in demanding environments.

Key Features and Benefits

• 20-Amp, 1-Pole Configuration: 20-Amp, 1-Pole Configuration for dependable single-phase branch-circuit protection.
• Bolt-On Mounting Design: Bolt-On Mounting Design provides a secure, stable installation in compatible panelboards.
• 120VAC Shunt Trip Device: 120VAC Shunt Trip Device enables remote tripping for emergency power shutdown and automated control applications.
• 10kA Interrupting Rating: 10kA Interrupting Rating at 120/240VAC helps protect electrical systems against overloads and short-circuit conditions.
• Type QOB Circuit Breaker: Type QOB Circuit Breaker is designed for use in compatible electrical distribution systems.
• Compact Footprint: Compact footprint makes installation and replacement easier where panel space is limited.
• Reliable Operation: Built for reliable operation in commercial, industrial, and facility management applications.
  

Technical Specifications

• Part Number: QOB1201021
  
• Type: QOB
  
• Circuit Breaker Style: Bolt-On Circuit Breaker with 120VAC Shunt Trip Device
  
• Poles: 1
  
• Amperes: 20A
  
• Interrupting Rating: 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: The QOB1201021 is manufactured to meet applicable industry standards for molded case circuit breakers.
• Product Ratings and Installation: Product ratings and performance are based on manufacturer specifications. Proper installation should be performed by qualified personnel in accordance with the National Electrical Code (NEC) and all applicable local electrical codes.
• Compatibility: Always verify compatibility with your existing panelboard and electrical system before installation.
  

Where It Works Best

• The QOB1201021 is ideal for commercial buildings, industrial facilities, schools, healthcare environments, office buildings, and other electrical distribution systems that require reliable circuit protection with remote tripping capability. Its integrated 120VAC shunt trip makes it especially well-suited for emergency shutoff systems, fire alarm interfaces, safety interlocks, access control systems, and other applications where power must be disconnected remotely for safety or operational control.