FB2050L - 50Amp Circuit Breaker

FB2050L - 50Amp Circuit Breaker

When you're maintaining an existing electrical system, choosing the correct replacement circuit breaker is essential for preserving the original design of the equipment. The FB2050L is a 50 Amp, 2-pole FB thermal-magnetic circuit breaker built as a form, fit, and functional replacement for compatible installations. Its electrical ratings, dimensions, and configuration make it well suited for replacing worn or damaged breakers in legacy commercial and industrial systems where matching the original specifications is important.

Key Features and Benefits

• 50 Amp circuit breaker for compatible FB electrical systems
• Two-pole design for branch circuit protection
• Thermal-magnetic trip mechanism responds to overloads and short circuits
• Non-interchangeable factory-installed trip unit
• Rated for operation in 40°C ambient temperatures
• Includes both line- and load-side terminals
• Form, fit, and functional replacement for compatible FB circuit breaker applications
• Built to last for continued service in existing commercial and industrial electrical systems

Technical Specifications

• Part Number: FB2050L
  
• Type: FB
  
• Product Type: Thermal-Magnetic Circuit Breaker
  
• Amperage: 50 Amps
  
• Poles: 2
  
• Interrupting Rating: 14kA @ 480VAC; 25kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Ambient Rating: 40°C
  
• Terminals: Line- and load-side 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 FB2050L. Installation should be completed by a qualified electrician in accordance with the National Electrical Code (NEC), applicable local electrical codes, and the original equipment manufacturer's recommendations.

Where It Works Best

It is commonly installed to protect branch circuits supplying HVAC equipment, motors, pumps, lighting panels, machinery, and general power distribution.