QOB250 - 50 Amp Circuit Breaker

QOB250 - 50 Amp Circuit Breaker

The QOB250 bolt-on circuit breaker is a dependable solution for protecting branch circuits from overloads and short circuits in commercial, industrial, and residential electrical distribution systems. Designed as a 2-pole, 50-amp circuit breaker, this unit is engineered for installation in compatible bolt-on panelboards, where a secure mechanical connection helps provide long-term stability in demanding applications. Rated for 120/240VAC with a 10k AIC (Interrupting Capacity), the QOB250 delivers reliable overcurrent protection while helping to maintain the safety and performance of your electrical system. Whether you're replacing an existing breaker during maintenance or completing a new installation, this breaker offers the electrical ratings professionals expect in a compact, space-efficient design.

Key Features and Benefits

• 50 Amp Current Rating: 50 Amp current rating for reliable branch circuit protection.
• 2-Pole Configuration: 2-pole configuration designed for 120/240VAC electrical systems.
• Bolt-On Mounting: Bolt-on mounting provides a secure connection that helps minimize movement and vibration within the panel.
• 10k AIC Interrupting Rating: 10k AIC interrupting rating for dependable fault-current protection in compatible applications.
• Compact Footprint: Compact footprint makes it suitable for installations where panel space is at a premium.
• Overcurrent Protection: Helps protect connected equipment by automatically interrupting power during overload or short-circuit conditions.
• Ideal for Replacement, Maintenance, or Expansion Projects: Ideal for replacement, maintenance, or expansion projects using compatible QOB panelboards.
  

Technical Specifications

• Part Number: QOB250
  
• Type: QOB
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperage: 50 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10k AIC
  
• Dimensions:
  • Height: 3.0 in.
  • Width: 1.5 in.
  • Depth: 2.5 in.

Material Compliance and Certifications

• Industry Standards: The QOB250 is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry performance and safety requirements for its product class.
• Installation Requirements: It should always be installed in accordance with the National Electrical Code (NEC), local electrical codes, and manufacturer installation guidelines by a qualified individual. Confirm compatibility with your panelboard and electrical system before installation.
  

Where It Works Best

• The QOB250 is well suited for a variety of electrical applications requiring a 50-amp, 2-pole bolt-on circuit breaker, including:
  • Commercial buildings and office spaces
  • Industrial control panels and equipment
  • Retail facilities
  • Multi-family residential properties
  • Service upgrades and panel maintenance
  • Branch circuits serving larger electrical loads, including HVAC equipment, machinery, and other 120/240VAC applications requiring a 50-amp two-pole breaker
  With its bolt-on design, dependable overcurrent protection, and compact dimensions, the QOB250 circuit breaker is an excellent choice for maintaining the safety, efficiency, and reliability of compatible electrical distribution systems.