HED43B110L - 110Amp Circuit Breaker

HED43B110L - 110Amp Circuit Breaker

The Siemens HED43B110L is a 110 Amp, 3-pole molded case circuit breaker designed for low-voltage electrical distribution systems that require dependable circuit protection and compatibility with Siemens ED-frame equipment. Equipped with a thermal-magnetic trip unit, it responds to prolonged overloads as well as short-circuit conditions to help protect your connected equipment and conductors.

Key Features and Benefits

• 110 Amp current rating
• Three-pole molded case circuit breaker
• Siemens SENTRON ED-frame design
• Thermal-magnetic trip unit for overload and short-circuit protection
• Rated for 480 VAC systems
• Factory-installed line and load lugs (TA1E6125)
• Accepts both copper and aluminum conductors
• Standard 40°C calibration
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HED43B110L
  
• Product Family: SENTRON HED4 (ED Frame)
  
• Product Type: Molded Case Circuit Breaker
  
• Current Rating: 110 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 480 VAC
  
• Interrupting Rating: 42kAIC at 480 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Calibration: 40°C Standard
  
• Terminal Type: Line and Load Side Lugs (TA1E6125)
  
• Copper Wire Range: 3 AWG–3/0 AWG
  
• Aluminum Wire Range: 1 AWG–2/0 AWG
  
• Dimensions (W × H × D): 3.00 × 6.35 × 3.92 in.
  
• Weight: 3.616 lb.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
• IEC 60947-2 Compliant
• Export Classification: EAR99
• REACH Article 33 Information Available
  

Where It Works Best

The Siemens HED43B110L is commonly used in commercial buildings, industrial facilities, and other low-voltage power distribution systems that require a 110 Amp, 3-pole circuit breaker with a 42kAIC rating at 480 VAC. It is intended for use in compatible Siemens panelboards, switchboards, and similar distribution equipment where maintaining the original frame size, electrical ratings, and connection style is important.