HED43B090 - 90Amp Circuit Breaker

HED43B090 - 90Amp Circuit Breaker

The Siemens HED43B090 is a 90 Amp, 3-pole molded case circuit breaker designed for low-voltage commercial and industrial power distribution systems. This breaker comes equipped with load-side lugs (LN1E100) and accepts 10 AWG through 1/0 AWG copper or aluminum conductors, making it suitable for a variety of compatible installations. Manufactured to meet UL 489 and IEC 60947-2 standards, the HED43B090 is built to last and is commonly used as a form, fit, and functional replacement when servicing or maintaining your existing Siemens electrical systems.

Key Features and Benefits

• 90 Amp current rating
• Three-pole design for three-phase electrical systems
• Rated for use on systems up to 480 VAC
• Thermal-magnetic trip unit provides overload and short-circuit protection
• Siemens ED frame construction
• Factory-installed load-side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Compact design for compatible Siemens equipment
• Built to last for demanding commercial and industrial applications
• Manufactured in accordance with UL 489 and IEC 60947-2 requirements
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HED43B090
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: ED
  
• Amperage: 90 Amps
  
• Poles: 3
  
• Voltage Rating: 480 VAC
  
• Interrupting Rating: 42kAIC at 480 VAC
  
• Trip Unit: Thermal-Magnetic
  
• Terminal Type: Load Side Lugs (LN1E100)
  
• Wire Range: 10 AWG to 1/0 AWG Copper or Aluminum
  
• Dimensions: 3.00 in. W × 6.35 in. H × 3.92 in. D
  
• Weight: 0.359 lb
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
• IEC 60947-2 compliant
• RoHS compliant
• REACH information available
• Export Classification: EAR99
  

Where It Works Best

The Siemens HED43B090 is commonly found in commercial buildings, manufacturing facilities, industrial plants, and other low-voltage distribution systems that use compatible Siemens ED-frame breakers.