HEB1B110B - 110Amp Circuit Breaker

HEB1B110B - 110Amp Circuit Breaker

Finding the right replacement breaker for an existing panelboard comes down to matching the details that matter: frame style, amperage, voltage rating, and connection type. The Siemens HEB1B110B is a 110 Amp, 1-pole molded case circuit breaker built for compatible HEB (EG) frame low-voltage panelboards. It uses a thermal-magnetic trip unit to provide protection against overloads and short circuits while keeping your original equipment configuration intact.

Key Features and Benefits

• Siemens HEB (EG Frame) molded case circuit breaker
• 110 Amp current rating
• Single-pole design
• Thermal-magnetic trip protection
• Rated for 277 VAC applications
• Interrupting ratings:
  • 65kAIC @ 277 VAC
  • 25kAIC @ 347 VAC
• Load-side lugs (TA1EG10)
• Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
• Designed to match the form, fit, and function of compatible HEB frame installations
• UL Listed
• Built to last for long-term service in existing equipment

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HEB1B110B
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: HEB (EG Frame)
  
• Poles: 1
  
• Current Rating: 110 Amps
  
• Voltage Rating: 277 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating: 65kAIC @ 277 VAC; 25kAIC @ 347 VAC
  
• Terminal Configuration: Load-side lugs (TA1EG10)
  
• Wire Range: 8 AWG to 1/0 AWG Copper/Aluminum
  
• Dimensions: 1" W × 5.5" H × 3" D
  
• Weight: 1.257 lb
  
• Country of Origin: Dominican Republic
  

Material Compliance and Certifications

• UL Listed
• Compatible with copper and aluminum conductors
• ECCN: EAR99
• Commodity Code: 8536200040
• WEEE Category 5
• Not classified as dangerous goods
• RoHS compliance information not available
  

Where It Works Best

The Siemens HEB1B110B is used in commercial, industrial, and institutional electrical distribution systems that utilize compatible HEB (EG) frame panelboards. It is a good fit for repair and maintenance projects where replacing an existing breaker with the correct specifications is the priority. Matching the original frame type, electrical ratings, and lug arrangement helps keep the existing installation unchanged and allows the panelboard to continue operating as intended.