ED42B080 - 80Amp Circuit Breaker

ED42B080 - 80Amp Circuit Breaker

Looking for a reliable solution to keep your electrical system protected and running smoothly? The Siemens ED42B080 is an 80 Amp, 2-pole molded case circuit breaker designed to deliver dependable overcurrent protection in both commercial and industrial environments. Whether you're maintaining an existing system or replacing a compatible unit, this breaker offers a seamless form, fit, and function for Siemens ED-frame equipment—making upgrades and repairs straightforward and stress-free.

Built with a compact ED-frame design, the ED42B080 fits right where you need it while providing the performance you expect. Its thermal magnetic trip unit works behind the scenes to detect both prolonged overloads and sudden short circuits, helping safeguard your wiring and connected equipment from potential damage.

Key Features and Benefits

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

Technical Specifications

• Catalog Number: ED42B080
  
• 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: Load Lugs Only (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: 2.63 lb.
  
• Product Family: ED4 18kAIC, 480VAC
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• The Siemens ED42B080 is manufactured to meet UL 489 and IEC 60947-2 standards for molded case circuit breakers, ensuring trusted performance and safety. It is RoHS compliant (since July 1, 2006), adheres to WEEE (2012/19/EU) requirements where applicable, and includes REACH Article 33 information for material transparency.
• For best results and safety, installation should always be performed by qualified electrical professionals in accordance with the National Electrical Code (NEC) and all applicable local regulations.
  

Where It Works Best

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