FB2020L - 20Amp Circuit Breaker

FB2020L - 20Amp Circuit Breaker

When you need to replace an existing FB2020L circuit breaker, matching the original electrical specifications matters. This 20 Amp, 2-pole thermal-magnetic circuit breaker is designed for use in compatible FB-series electrical distribution equipment, making it a practical choice for maintenance, repairs, and keeping existing systems operating as intended. It combines thermal overload protection with magnetic short-circuit protection to help safeguard branch circuits serving motors, HVAC equipment, lighting, pumps, and other electrical loads.

Key Features and Benefits

• 20 Amp current rating
• Two-pole configuration
• Thermal-magnetic protection against overloads and short circuits
• Non-interchangeable factory-installed trip unit
• Rated for operation in ambient temperatures up to 40°C
• Includes both line- and load-side terminals
• Designed as a form, fit, and functional replacement for compatible FB-series equipment
• Built to last for long-term service in existing electrical systems

Technical Specifications

• Part Number: FB2020L
  
• Type: FB
  
• Product Type: Thermal-Magnetic Circuit Breaker
  
• Amperage: 20 Amps
  
• Poles: 2
  
• Interrupting Rating: 14kA @ 480VAC; 25kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Ambient Temperature Rating: 40°C
  
• Included Terminals: Line-side and load-side
  
• Dimensions: 2.75 in. W × 6.00 in. H × 3.38 in. D
  
• Approximate Shipping Weight: 4.00 lbs.
  

Material Compliance and Certifications

The FB2020L is intended for use in compatible FB-series electrical equipment where the original breaker specifications call for a 20 Amp, 2-pole thermal-magnetic circuit breaker with the listed interrupting ratings.

Where It Works Best

The FB2020L is commonly used in existing commercial and industrial electrical systems that rely on compatible FB-series equipment. It is well suited for branch circuits supplying HVAC equipment, lighting panels, motor loads, pumps, machinery, and other applications requiring a 20 Amp, 2-pole breaker.