FB2050 - 50Amp Circuit Breaker

FB2050 - 50Amp Circuit Breaker

Finding the right replacement breaker is about more than matching the amperage. The FB2050 is a 50 Amp, 2-pole FB thermal-magnetic circuit breaker built for maintaining the original form, fit, and function of compatible electrical distribution equipment. Whether you're replacing a failed breaker during routine maintenance or servicing an existing commercial or industrial electrical system, selecting a breaker with the correct electrical ratings and physical dimensions helps keep the installation consistent with the original design.

Key Features and Benefits

• 50 Amp circuit breaker for compatible FB electrical systems
• Two-pole configuration for multi-phase branch circuit protection
• Thermal-magnetic trip mechanism provides protection against overloads and short circuits
• Non-interchangeable factory-installed trip unit
• Rated for operation in 40°C ambient temperatures
• Includes load terminals for installation convenience
• Form, fit, and functional replacement for compatible FB circuit breakers
• Built to last for continued service in existing commercial and industrial electrical systems

Technical Specifications

• Part Number: FB2050
  
• Type: FB
  
• Product Type: Thermal-Magnetic Circuit Breaker
  
• Amperage: 50 Amps
  
• Poles: 2
  
• Interrupt Rating: 14kA @ 480VAC; 25kA @ 240VAC
  
• Ambient Rating: 40°C
  
• Trip Unit: Non-Interchangeable
  
• Terminals: Load terminals included
  
• Dimensions:
  • Height: 6.00 in.
  • Width: 2.75 in.
  • Depth: 3.38 in.
• Dimensions: 2.75 in. W × 6.00 in. H × 3.38 in. D
  
• Approximate Shipping Weight: 4.00 lbs.
  

Material Compliance and Certifications

No specific material compliance information or third-party certifications have been provided for the FB2050. Before installation, verify that the breaker's electrical ratings, interrupting capacity, dimensions, pole configuration, and terminal arrangement match the equipment being serviced. Installation should be performed by a qualified electrician in accordance with the National Electrical Code (NEC), applicable local electrical codes, and the original equipment manufacturer's specifications. The FB2050 is intended as a form, fit, and functional replacement where its published specifications match the original application.

Where It Works Best

The FB2050 is well suited for maintaining existing commercial, industrial, and institutional electrical systems that utilize compatible FB-series circuit breakers. It is commonly used to protect branch circuits serving HVAC equipment, motors, pumps, lighting systems, machinery, and general power distribution.