HEB1B030B - 30Amp Circuit Breaker

HEB1B030B - 30Amp Circuit Breaker

The Siemens HEB1B030B is a 30 Amp, single-pole molded case circuit breaker designed for use in compatible HEB (EG) frame low-voltage panelboards. Built with a thermal-magnetic trip unit, it helps protect electrical circuits against overloads and short circuits while maintaining the original form, fit, and function of the equipment in which it is installed. Whether you're performing routine maintenance or replacing an existing breaker in a legacy Siemens panelboard, the HEB1B030B is built to last and designed to help keep compatible electrical distribution systems operating as intended.

Key Features and Benefits

• Siemens HEB (EG) frame molded case circuit breaker
• 30 Amp current rating
• Single-pole configuration
• Thermal-magnetic trip unit for overload and short-circuit protection
• Rated for 277 VAC applications
• Includes load-side lugs (TA1EG10)
• Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
• Designed as a form, fit, and functional replacement for compatible equipment
• UL Listed
• Built to last for continued service in existing electrical systems

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HEB1B030B
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: HEB (EG Frame)
  
• Poles: 1
  
• Current Rating: 30 Amps
  
• Voltage Rating: 277 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating: 65kAIC @ 277 VAC; 25kAIC @ 347 VAC
  
• Terminal Type: Load-Side Lugs (TA1EG10)
  
• Wire Range: 8 AWG–1/0 AWG Copper/Aluminum
  
• Dimensions: 1" W × 5.5" H × 3" D
  
• Weight: 1.257 lb
  
• Country of Origin: Dominican Republic
  
• UPC: 783643558687
  
• ECCN: EAR99
  

Material Compliance and Certifications

• UL Listed
• Compatible with copper and aluminum conductors
• ECCN: EAR99
• Commodity Code: 8536200040
• WEEE (2012/19/EU) Take-Back Obligations: Category 5
• Dangerous Goods Classification: No
  

Where It Works Best

The Siemens HEB1B030B is intended for use in compatible HEB (EG) frame low-voltage panelboards found in commercial, industrial, and institutional electrical distribution systems. It is well suited for maintenance, repair, and replacement projects where matching the original breaker's form, fit, and function is important.