QOB120EPD - 20A Circuit Breaker

QOB120EPD - 20A Circuit Breaker

The QOB120EPD is a 20 Amp, 1-pole bolt-on circuit breaker designed to provide dependable overcurrent protection while also delivering 30mA Class B Ground Fault Equipment Protection (GFEP) for electrical distribution systems. Built for use in compatible bolt-on panelboards, this breaker combines secure installation with reliable performance in commercial, industrial, and institutional applications where equipment protection against ground faults is an important part of maintaining system integrity. Rated 10kA at 120/240VAC, the QOB120EPD is well-suited for branch circuit protection while helping reduce the risk of equipment damage caused by ground fault conditions. Its compact footprint allows it to fit efficiently within panelboards without sacrificing performance, making it a practical choice for new installations, maintenance projects, and replacement applications. Whether you're servicing an existing electrical system or upgrading protection for critical equipment, the QOB120EPD offers the dependable operation professionals expect from a bolt-on circuit breaker designed for demanding environments.

Key Features and Benefits

• 20 Amp Current Rating: 20 Amp current rating for reliable branch circuit protection.
• Single-Pole Design: Single-pole (1P) design for 120/240VAC electrical systems.
• Bolt-On Mounting: Bolt-on mounting provides a secure, stable connection within compatible panelboards.
• 30mA Class B Ground Fault Equipment Protection (GFEP): 30mA Class B Ground Fault Equipment Protection (GFEP) helps protect electrical equipment from damaging ground fault conditions.
• 10kA A.I.C. Interrupting Rating: 10kA A.I.C. interrupting rating at 120/240VAC for dependable fault interruption within its rated capacity.
• Compact Design: Compact design simplifies installation where panel space is limited.
• Suitable for Replacement and New Installations: Suitable for replacement, maintenance, and new electrical installations using compatible QOB-EPD panelboard systems.
  

Technical Specifications

• Part Number: QOB120EPD
  
• Type: QOB-EPD
  
• Mounting Style: Bolt-On
  
• Poles: 1
  
• Amperage: 20A
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Ground Fault Protection: 30mA Class B Ground Fault Equipment Protection
  
• Dimensions:
  • Height: 4.75 in.
  • Width: 0.75 in.
  • Depth: 2.44 in.

Material Compliance and Certifications

• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Installation Requirements: Designed for use in compatible electrical distribution equipment in accordance with applicable installation codes and manufacturer specifications.
• Ground Fault Equipment Protection (GFEP): Ground Fault Equipment Protection (GFEP) is provided through an integrated 30mA Class B protection function to help safeguard connected equipment.
  

Where It Works Best

• The QOB120EPD is an excellent choice for commercial, industrial, and institutional electrical systems where both branch circuit protection and equipment ground fault protection are required. It is commonly used in panelboards serving HVAC equipment, lighting systems, machinery, pumps, and other electrical loads that benefit from enhanced equipment protection. Its bolt-on construction makes it especially well suited for installations where a secure mechanical and electrical connection is preferred, helping provide long-term reliability in demanding operating environments.