QOB250VH - 50A Circuit Breaker

QOB250VH - 50A Circuit Breaker

The QOB250VH is a 2-pole, 50-amp bolt-on circuit breaker engineered to provide dependable overcurrent and short-circuit protection for electrical distribution systems operating at 120/240VAC. Designed for secure installation in compatible bolt-on panelboards, this breaker features a 22kA interrupting capacity, making it well-suited for commercial, industrial, and demanding residential applications where higher fault current ratings are required. Its bolt-on mounting helps create a stable electrical connection that can reduce movement caused by vibration, making it an excellent choice for applications where long-term reliability is essential. Whether you're replacing an existing breaker during maintenance or restoring equipment to service, the QOB250VH delivers the performance and protection professionals expect while helping safeguard conductors and connected equipment from electrical faults.

Key Features and Benefits

• 50 Amp Rating: For dependable branch circuit protection.
• 2-Pole Design: For use on 120/240VAC electrical systems.
• 22kA Interrupting Capacity: Helps protect equipment in installations with higher available fault current.
• Bolt-On Mounting: Provides a secure, dependable connection to compatible panelboards.
• Type QOB-VH Breaker: Designed for use in compatible electrical distribution equipment.
• Overcurrent Protection: Helps protect electrical circuits from overloads and short circuits, supporting safe system operation.
• Compact Footprint: Simplifies installation and replacement in compatible panels.
• Suitable for Multiple Applications: Suitable for commercial, industrial, and select residential electrical applications requiring a bolt-on breaker.
  

Technical Specifications

• Part Number: QOB250VH
  
• Type: QOB-VH
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage: 50 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity (A.I.C.): 22kA @ 120/240VAC
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: Manufactured for use in accordance with applicable industry standards for compatible circuit protection equipment.
• Installation Requirements: Designed for installation in compatible electrical distribution systems when used according to applicable electrical codes and manufacturer requirements.
• Professional Installation: Installation should be performed by a qualified electrical professional and in compliance with all national and local electrical codes.
  

Where It Works Best

• The QOB250VH is an excellent choice for commercial buildings, industrial facilities, institutional properties, and residential applications that require a 50-amp, 2-pole bolt-on circuit breaker with a 22kA interrupting rating. It is well-suited for protecting branch circuits serving larger electrical loads, including HVAC equipment, machinery, panelboard distribution circuits, and other applications where reliable circuit protection and secure bolt-on installation are important. Its higher interrupting capacity also makes it a strong option for installations with elevated available fault current, helping maintain the safety and integrity of the electrical system.