E42B045L - 45Amp Circuit Breaker

E42B045L - 45Amp Circuit Breaker

When keeping an existing electrical system operating safely and efficiently, finding a circuit breaker with the correct ratings and configuration matters. The E42B045L molded case circuit breaker is a 45 amp, 2-pole Type E42 breaker designed for applications that require a compatible replacement to help maintain the original design and protection characteristics of the system.

Whether you're servicing facility equipment, maintaining an industrial panel, or replacing a failed breaker in an existing system, the E42B045L delivers the ratings and configuration needed to help keep operations moving with confidence.

Key Features and Benefits

• 45 amp current rating for commercial and industrial electrical systems
• 2-pole design for multi-pole circuit protection
• Type E42 molded case circuit breaker
• Includes line-side and load-side terminals
• HACR rated for qualifying HVAC and refrigeration equipment
• Interrupting capacity of 25kA at 240VAC and 18kA at 480VAC
• Designed to match original form, fit, and functional requirements
• Built to last in demanding electrical environments
• Suitable for maintenance, repair, and retrofit applications
• Rated for operation in ambient temperatures up to 40°C (104°F)

Technical Specifications

• Part Number: E42B045L
  
• Type: E42
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Amperage: 45 Amps
  
• Poles: 2
  
• A.I.C. Rating: 25kA @ 240VAC; 18kA @ 480VAC
  
• Temperature Rating: 40°C (104°F)
  
• HACR Rated: Yes
  
• Included Terminals: Line-Side and Load-Side Terminals
  
• Width: 2.0 in.
  
• Height: 6.35 in.
  
• Depth: 3.92 in.
  
• Dimensions: 2.0"W x 6.35"H x 3.92"D
  
• Approximate Ship Weight: 4.31 lbs.
  

Material Compliance and Certifications

• HACR rated for qualifying HVAC and refrigeration applications
• Molded case circuit breaker construction
• Rated for operation in ambient temperatures up to 40°C (104°F)
• Intended for use in systems designed around the published electrical ratings
• Should be installed in accordance with applicable electrical codes and equipment manufacturer requirements

Where It Works Best

The E42B045L is commonly found in commercial facilities, manufacturing plants, industrial equipment, electrical distribution panels, HVAC systems, and maintenance repair projects that require a 45 amp, 2-pole molded case circuit breaker.