HEB3B025B - 25Amp Circuit Breaker

HEB3B025B - 25Amp Circuit Breaker

The Siemens HEB3B025B is a 25 Amp, 3-pole molded case circuit breaker designed for compatible HEB (EG) frame low-voltage panelboard applications. When you're selecting a replacement breaker for an existing electrical installation, the details matter. Matching the original frame type, pole configuration, amperage rating, voltage rating, and lug arrangement helps ensure the breaker fits the intended application. This model features a thermal-magnetic trip unit to provide overload and short-circuit protection while maintaining the specifications required for compatible Siemens HEB frame equipment.

Key Features and Benefits

• Siemens HEB (EG Frame) molded case circuit breaker
• 25 Amp current rating
• 3-pole configuration
• Thermal-magnetic trip unit
• Rated for 480 VAC applications
• Load-side lugs included (TA1EG10)
• Accepts 8 AWG to 1/0 AWG copper or aluminum conductors
• Designed to match compatible HEB frame panelboard installations

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HEB3B025B
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: HEB (EG Frame)
  
• Poles: 3
  
• Current Rating: 25 Amps
  
• Voltage Rating: 480 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Interrupting Rating:
  65kAIC @ 480 VAC
  25kAIC @ 600Y/347 VAC
• Terminal Configuration: Load-side lugs (TA1EG10)
  
• Wire Range: 8 AWG to 1/0 AWG Copper/Aluminum
  
• Dimensions: 3" 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 HEB3B025B is commonly used in commercial buildings, industrial facilities, and institutional electrical distribution systems that utilize compatible HEB (EG) frame panelboards. It is best suited for maintenance and replacement projects where the existing breaker needs to match the original equipment specifications.