E42B080L - 80Amp Circuit Breaker

E42B080L - 80Amp Circuit Breaker

The E42B080L is an 80 Amp, 2-pole molded case circuit breaker designed for protecting 240V and 480V electrical circuits in commercial and industrial power distribution systems. It's most commonly used as a replacement breaker when maintaining existing equipment that requires the same amperage, pole configuration, and interrupting capacity.

In the field, breakers like the E42B080L are often found in panelboards, switchboards, motor loads, HVAC equipment, and other distribution applications where dependable overcurrent protection is essential. When your breaker needs replacement, matching the original electrical ratings and physical configuration helps keep the system operating as designed without altering the existing installation.

This model is rated for 80 Amps and features interrupting capacities of 25kA at 240VAC and 18kA at 480VAC, making it suitable for systems where those fault current ratings are required. Its two-pole design allows both energized conductors to disconnect simultaneously, which is a common requirement for many 240V and 480V circuits.

Key Features and Benefits

• 80 Amp molded case circuit breaker
• Two-pole design for 240V and 480V applications
• Provides simultaneous disconnect of both poles
• Interrupting rating of 25kA at 240VAC
• Interrupting rating of 18kA at 480VAC
• Includes line-side and load-side terminals
• HACR rated for applicable HVAC and refrigeration equipment
• Designed for operation in 40°C ambient conditions
• Suitable for maintenance and replacement applications
• Helps maintain existing system configuration and breaker layout
• Built for long service life in properly maintained electrical systems

Technical Specifications

• Part Number: E42B080L
  
• Product Type: Molded Case Circuit Breaker
  
• Type: E42
  
• Amperage Rating: 80 Amps
  
• Poles: 2
  
• Voltage Rating: 240/480VAC
  
• Interrupting Rating: 25kAIC @ 240VAC; 18kAIC @ 480VAC
  
• HACR Rated: Yes
  
• Operating Temperature Reference: 40°C
  
• Terminals Included: Line-side and load-side terminals
  
• Dimensions: 2.0 in W x 6.35 in H x 3.92 in D
  
• Width: 2.0 in
  
• Height: 6.35 in
  
• Depth: 3.92 in
  
• Approximate Ship Weight: 4.31 lbs
  

Material Compliance and Certifications

• The E42B080L is a molded case circuit breaker intended for use in electrical distribution equipment compatible with its ratings and configuration.
• It is HACR rated for applicable heating, air conditioning, and refrigeration applications.
• Installation, inspection, and maintenance should be performed by qualified electrical personnel in accordance with applicable electrical codes, equipment specifications, and safety requirements.

Where It Works Best

• Commercial electrical distribution systems
• Industrial power distribution equipment
• Facility maintenance and repair projects
• Existing installations requiring an 80 Amp two-pole breaker
• HVAC and refrigeration equipment applications requiring HACR-rated protection
• 240VAC and 480VAC branch and feeder circuits
• Electrical systems requiring molded case overcurrent protection
• Replacement of existing E42-series circuit breakers
• Applications where maintaining original breaker fit and ratings is important