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E43B080L - 80Amp Circuit Breaker

  • 80 Amp
  • 18k @ 480VAC; 25k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: E43B080L [NS]

Purchase Options: New Surplus

E43B080L - 80Amp Circuit Breaker Description

E43B080L - 80Amp Circuit Breaker

The E43B080L 80 Amp 3-Pole Molded Case Circuit Breaker is designed for electrical professionals and facility managers who need a compatible Type E43 breaker for existing power distribution systems. When keeping critical equipment operating safely and efficiently is the goal, having the right replacement breaker matters. This 80-amp molded case circuit breaker provides the ratings and configuration needed for a variety of commercial and industrial applications while maintaining compatibility with designated equipment.

Built with a 3-pole design, the E43B080L is commonly used in three-phase electrical systems where dependable circuit protection is required. It helps protect electrical circuits from overloads and short circuits within its published ratings, offering an interrupting capacity of 18kA at 480VAC and 25kA at 240VAC. The breaker is also HACR rated, making it suitable for qualifying heating, ventilation, air conditioning, and refrigeration applications.

Whether you're using it in a manufacturing facility, commercial building, mechanical room, or power distribution system, this breaker delivers the electrical ratings and compatibility required for continued operation of existing infrastructure. Built to last and intended for long-term service, the E43B080L remains a practical choice for maintaining compatible electrical systems without unnecessary modifications.

Key Features and Benefits

  • 80 Amp current rating
  • 3-pole configuration for three-phase electrical systems
  • Type E43 molded case circuit breaker
  • Includes both line-side and load-side terminals
  • HACR rated for qualifying HVAC and refrigeration applications
  • 18kA interrupting capacity at 480VAC
  • 25kA interrupting capacity at 240VAC
  • Helps protect circuits from overloads and short-circuit conditions
  • Suitable for operation in 40°C ambient environments
  • Designed for use in compatible electrical equipment and assemblies
  • Supports form, fit, and functional replacement requirements
  • Compact design for installation within designated panel and distribution equipment
  • Built to last for long-term service in commercial and industrial applications

Technical Specifications

  • Part Number: E43B080L
  • Type: E43
  • Circuit Breaker Type: Molded Case Circuit Breaker
  • Amperage Rating: 80 Amps
  • Poles: 3
  • A.I.C. Rating: 18kA @ 480VAC; 25kA @ 240VAC
  • Temperature Rating: 40°C
  • HACR Rated: Yes
  • Included Terminals: Line-Side and 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 requirements
  • Suitable for use in compatible electrical distribution equipment
  • Molded case circuit breaker construction for circuit protection applications

Where It Works Best

The E43B080L 80 Amp 3-Pole Circuit Breaker is commonly used in commercial and industrial facilities where a compatible Type E43 molded case circuit breaker is required to maintain existing electrical infrastructure.

  • Typical applications include:
  • Commercial office buildings
  • Industrial facilities and manufacturing plants
  • HVAC equipment and refrigeration systems
  • Mechanical and electrical equipment rooms
  • Three-phase power distribution systems
  • Electrical switchboards and panel installations
  • Warehouses and distribution centers
  • Schools, universities, and institutional facilities
  • Service and maintenance projects requiring a compatible replacement breaker
  • Facilities operating legacy electrical distribution equipment

For electricians, maintenance teams, contractors, and facility managers, the E43B080L provides an appropriate solution when an 80 Amp, 3-pole Type E43 breaker is needed to support the continued operation of compatible electrical systems.


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.

Specifications

  • Width:3.0
  • Height:6.35
  • Depth:3.92
  • Poles:3
  • Amperes:80
  • A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
  • Type:E43
  • Approx Dimensions:3.00"W x 6.35"L x 3.92"D
  • Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker. Includes Line and load-side terminals.

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You may return unused items within 30 days of delivery for a full refund.

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