HEB2B090B - 90Amp Circuit Breaker

HEB2B090B - 90Amp Circuit Breaker

The Siemens HEB2B090B is a 90 Amp, 2-pole molded case circuit breaker designed for compatible HEB (EG) frame low-voltage panelboard applications. When you're replacing a breaker in an existing electrical system, getting the correct match is essential. The frame style, pole configuration, amperage rating, voltage rating, and terminal arrangement all play an important role in ensuring the replacement fits the original equipment. This model features a thermal-magnetic trip unit to help provide overload and short-circuit protection while maintaining the specifications required for compatible Siemens installations.

Key Features and Benefits

• Siemens HEB (EG Frame) molded case circuit breaker
• 90 Amp current rating
• 2-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: HEB2B090B
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: HEB (EG Frame)
  
• Poles: 2
  
• Current Rating: 90 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: 2" 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 HEB2B090B is commonly used in commercial buildings, industrial facilities, and institutional electrical distribution systems that utilize compatible HEB (EG) frame panelboards. It is intended for repair and maintenance applications where the existing breaker specifications need to be matched closely.