ED42B080L - 80Amp Circuit Breaker

ED42B080L - 80Amp Circuit Breaker

Need a reliable circuit breaker that fits seamlessly into your existing Siemens setup? The Siemens ED42B080L is designed to make your job easier. This 80 Amp, 2-pole molded case circuit breaker delivers dependable overcurrent protection for commercial and industrial electrical systems, helping keep your operations running smoothly.

If you're replacing an existing breaker or maintaining a Siemens ED-frame system, this model is built for compatibility. It offers a true form, fit, and functional replacement, so you can install it with confidence and minimize downtime during repairs or upgrades.

Installation is also more convenient thanks to the included line and load side lug terminals (LN1E100). These lugs accept 10–1/0 AWG copper or aluminum conductors, giving electricians flexibility when working in the field. Designed to meet industry standards and built for long-term use, the Siemens ED42B080L is a practical choice for maintaining system reliability.

Key Features and Benefits

• 80 Amp continuous current rating for dependable performance
• 2-pole configuration suitable for 480V AC applications
• Thermal magnetic trip unit responds to overloads and short circuits
• Rated for use in 480V AC electrical distribution systems
• 18kA interrupting capacity (18kAIC) at 480V AC
• Includes both line and load side lug terminals (LN1E100) for easier installation
• Accepts 10–1/0 AWG copper or aluminum conductors
• Standard 40°C breaker design
• Designed as a form, fit, and functional replacement for Siemens ED-frame equipment
• Built for long-term use in compatible commercial and industrial systems
  

Technical Specifications

• Catalog Number: ED42B080L
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Series / Frame: ED Frame
  
• Trip Unit: Thermal Magnetic
  
• Amperage Rating: 80 Amps
  
• Voltage Rating: 480V AC
  
• Number of Poles: 2
  
• Interrupting Rating: 18kAIC at 480V AC
  
• Terminal Type: Line and Load Side Lugs (LN1E100)
  
• Wire Range: 10–1/0 AWG Copper/Aluminum
  
• Reference Operating Temperature: 40°C
  
• Dimensions:
  • Width: 2.00 in.
  • Height: 6.35 in.
  • Depth: 3.92 in.
• Weight: 2.712 lb.
  
• Product Family: ED4 18kAIC, 480VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• The Siemens ED42B080L is manufactured to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers, supporting recognized safety and performance requirements. It is also subject to WEEE (2012/19/EU) take-back obligations where applicable, and Siemens provides REACH Article 33 information for material transparency. RoHS compliance details are not specified by the manufacturer for this model.
• For safe and proper installation, this circuit breaker should always be installed by qualified electrical personnel in accordance with the National Electrical Code (NEC) and all applicable local regulations.
  

Where It Works Best

• Siemens ED-frame panelboards and compatible distribution equipment
• Commercial electrical systems requiring reliable circuit protection
• Industrial power distribution environments
• 480V AC branch circuit protection applications
• Maintenance and repair of existing Siemens electrical systems
• Replacement of compatible Siemens ED-frame molded case circuit breakers
• Facilities needing an 80 Amp, 2-pole breaker with 18kA interrupting capacity
• Installations requiring both line and load side lug connections
• Projects where maintaining original equipment compatibility is important