HED42B110 - 110Amp Circuit Breaker

HED42B110 - 110Amp Circuit Breaker

The Siemens HED42B110 is a 110 Amp, 2-pole molded case circuit breaker from the Siemens SENTRON ED frame family. Designed for compatible electrical distribution equipment, this thermal-magnetic circuit breaker is intended for your applications where matching existing breaker specifications is important. With a 480V rating, 42kAIC interrupting capacity, and load-side lug connections, the HED42B110 provides a form, fit, and functional replacement option for systems requiring this specific ED frame configuration.

Key Features and Benefits

• 110 Amp two-pole Siemens ED frame circuit breaker
• Thermal magnetic trip unit for overload and short-circuit protection
• 480V voltage rating
• Load-side lug configuration
• Accepts:
  • 3–3/0 AWG copper conductors
  • 1–2/0 AWG aluminum conductors
• Meets UL 489 and IEC 60947-2 standards
• Standard 40°C breaker frame rating

Technical Specifications

• Catalog Number: HED42B110
  
• Product Type: Molded case circuit breaker
  
• Frame Type: ED Frame
  
• Amperage Rating: 110 Amps
  
• Voltage Rating: 480V
  
• Poles: 2
  
• Trip Unit: Thermal magnetic
  
• Interrupt Rating: 42kAIC at 480V
  
• Terminal Configuration: Load lugs only
  
• Copper Wire Range: 3–3/0 AWG
  
• Aluminum Wire Range: 1–2/0 AWG
  
• Dimensions: 2 in W x 6.35 in H x 3.92 in D
  
• Weight: 2.8 lb
  
• UPC: 783643210073
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Siemens HED42B110 is designed to meet applicable UL 489 and IEC 60947-2 circuit breaker standards. It is intended for use in compatible Siemens low voltage electrical equipment and should be installed following applicable electrical codes and manufacturer requirements.

Before installation, verify that the replacement breaker matches the original equipment requirements, including amperage, voltage, poles, frame type, terminal configuration, and conductor sizing.

Where It Works Best

• Siemens ED frame electrical distribution equipment
• 480V two-pole circuit applications
• Commercial and industrial power distribution systems
• Maintenance and replacement projects involving compatible breaker configurations
• Installations requiring a 110 Amp thermal magnetic breaker
• Applications using larger copper or aluminum conductors within the listed wire range