HEB1B100B - 100Amp Circuit Breaker

HEB1B100B - 100Amp Circuit Breaker

The Siemens HEB1B100B is a 100 Amp, single-pole molded case circuit breaker designed for compatible HEB (EG) frame low-voltage panelboards. When you're servicing an existing electrical installation, finding a breaker that matches the original frame type, amperage, voltage rating, and terminal setup is an important part of maintaining the system as designed. This model features a thermal-magnetic trip unit that provides protection against overloads and short circuits while matching the requirements of compatible Siemens equipment.

Key Features and Benefits

• Siemens HEB (EG Frame) molded case circuit breaker
• 100 Amp current rating
• Single-pole configuration
• Thermal-magnetic trip unit
• Helps protect circuits from overloads and short circuits
• Rated for 277 VAC applications
• Load-side lugs included (TA1EG10)
• Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
• Matches the form, fit, and function of compatible HEB frame installations
• UL Listed
• Built to last for continued service in existing electrical systems

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HEB1B100B
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: HEB (EG Frame)
  
• Poles: 1
  
• Current Rating: 100 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
  

Where It Works Best

The Siemens HEB1B100B is commonly used in commercial buildings, industrial facilities, and institutional electrical distribution systems that utilize compatible HEB (EG) frame panelboards. It is intended for maintenance and replacement applications where matching the existing breaker specifications is important.