E43B080 - 80Amp Circuit Breaker

E43B080 - 80Amp Circuit Breaker

The E43B080 80 Amp 3-Pole Molded Case Circuit Breaker is designed for commercial and industrial electrical systems that require a Type E43 circuit breaker. Whether you're replacing an existing breaker during routine maintenance or servicing established electrical equipment, this breaker is built to provide the proper form, fit, and function needed for compatible installations.

Rated for 80 Amps and featuring a 3-pole configuration, the E43B080 is commonly used in three-phase power distribution systems found in manufacturing facilities, commercial buildings, mechanical rooms, and other demanding electrical environments. Its bolt-on design helps provide a secure connection within compatible equipment, while the included load-side terminals can help streamline installation and replacement work.

Electrical systems often remain in service for decades, making component compatibility an important consideration when maintenance or repairs are required. The E43B080 is designed to support the continued operation of existing equipment without altering the original system design. Built to last and intended for long-term service, it provides the electrical ratings and configuration needed for a wide range of commercial and industrial applications.

Key Features and Benefits

• 80 Amp current rating
• 3-pole design for three-phase electrical systems
• Type E43 molded case circuit breaker
• Bolt-on mounting configuration
• Includes load-side terminals
• HACR rated for qualifying HVAC and refrigeration applications
• 18kA interrupting capacity at 480VAC
• 25kA interrupting capacity at 240VAC
• Helps protect electrical circuits from overloads and short circuits
• Suitable for operation in 40°C ambient environments
• Designed to match the form, fit, and function of compatible equipment
• Compact dimensions for installation in designated electrical assemblies
• Built to last for long-term use in commercial and industrial environments

Technical Specifications

• Part Number: E43B080
  
• Type: E43
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Amperage Rating: 80 Amps
  
• Poles: 3
  
• Mounting Style: Bolt-On
  
• A.I.C. Rating: 18kA @ 480VAC; 25kA @ 240VAC
  
• Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Included Terminals: Load-Side Terminals
  
• Width: 3.0 in.
  
• Height: 6.35 in.
  
• Depth: 3.92 in.
  
• Dimensions: 3.0"W × 6.35"H × 3.92"D
  
• Approximate Shipping Weight: 5.38 lbs.
  

Material Compliance and Certifications

• HACR Rated
• Designed for operation within published voltage and interrupting capacity ratings
• Intended for installation in accordance with applicable electrical codes and manufacturer guidelines
• Suitable for use in compatible electrical distribution equipment
• Manufactured for circuit protection applications utilizing molded case circuit breaker technology

Where It Works Best

The E43B080 is commonly used in applications requiring an 80 Amp, 3-pole Type E43 circuit breaker. It is often found in commercial and industrial facilities where maintaining compatibility with existing electrical equipment is essential.

• Typical applications include:
• Commercial buildings
• Industrial facilities
• Manufacturing operations
• HVAC and refrigeration systems
• Mechanical equipment installations
• Electrical distribution panels
• Three-phase power distribution systems
• Warehouses and distribution centers
• Schools, universities, and institutional facilities
• Service, maintenance, and retrofit projects requiring a compatible replacement breaker

For electricians, contractors, facility managers, and maintenance personnel, the E43B080 provides a dependable solution when a properly rated Type E43 circuit breaker is needed to support the continued operation of existing electrical systems.