QCB50 - 50 Amp Circuit Breaker

QCB50 - 50 Amp Circuit Breaker

The QCB50 is a 50 amp, 2-pole circuit breaker used in 120/240 VAC electrical systems. It’s designed to protect circuits from overloads and short circuits in residential, commercial, and light-industrial panels. This breaker is a good fit when you need dependable protection without taking up extra space in the panel. Its straightforward design makes it easy to work with, whether you’re replacing an existing breaker or installing one as part of a system update.

Key Features and Benefits

• 50 amp rating for circuits that carry heavier electrical loads
• 2-pole configuration for standard 120/240 VAC applications
• Built for regular use in active electrical systems
• 10 kA interrupting capacity to help stop fault currents quickly
• Compact size that fits well in panels with limited room

Technical Specifications

• Poles: 2
  
• Current Rating: 50 Amps
  
• Voltage Rating: 120/240 VAC
  
• Interrupting Capacity: 10 kA at 120/240 VAC
  
• Frame Type: QCB
  
• Dimensions:
  • Width: 1.50 inches
  • Length: 4.81 inches
  • Depth: 2.50 inches
• Weight: 2.25 lbs
  

Material Compliance and Certifications

• The QCB50 is made using quality materials and tested to meet standard electrical safety requirements. It’s designed to operate consistently under normal conditions and respond properly during fault situations. This testing helps ensure dependable performance over time.

Where It Works Best

• Residential electrical panels using split-phase power
• Commercial spaces such as small offices, shops, and work areas
• Light-industrial settings where reliable circuit protection is needed without using extra panel space