EH3B090 - 90Amp Circuit Breaker

EH3B090 - 90Amp Circuit Breaker

When you need a 90-amp, 3-pole molded case circuit breaker that matches the original specifications of your existing electrical equipment, the EH3B090 is designed to provide the form, fit, and function required for compatible power distribution systems. Whether you're replacing a breaker during scheduled maintenance or keeping an established electrical system operating as intended, selecting the correct replacement helps maintain proper circuit protection without modifying the original installation. Built to last under normal operating conditions, the EH3B090 is designed for use in equipment that requires an EH3 molded-case circuit breaker. With a 90-amp current rating, 14 kA interrupting capacity at 480 VAC, and 65 kA interrupting capacity at 240 VAC, it is well-suited for a variety of commercial and industrial electrical applications.

Key Features and Benefits

• 90-amp current rating for dependable overcurrent protection
• Three-pole configuration for compatible three-phase electrical systems
• EH3 molded case circuit breaker designed for proper form, fit, and functional replacement
• Rated for operation in 40°C ambient temperatures
• Helps protect connected equipment from overloads and short-circuit conditions
• Built to last for continued service in properly maintained electrical systems
• Maintains compatibility with equipment designed for EH3 circuit breakers
  

Technical Specifications

• Part Number: EH3B090
  
• Type: EH3
  
• Product Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Current Rating: 90 Amps
  
• Interrupting Rating: 14kA @ 480VAC; 65kA @ 240VAC
  
• Ambient Temperature Rating: 40°C
  
• Dimensions:
  • Width: 4.50 in.
  • Height: 6.00 in.
  • Depth: 3.63 in.
• Approximate Shipping Weight: 5.00 lbs.
  

Material Compliance and Certifications

• Molded case circuit breaker construction
• Electrical ratings based on manufacturer specifications
• Designed for installation in compatible electrical distribution equipment
• Installation should be completed in accordance with applicable electrical codes and manufacturer recommendations
• Compatibility with the existing electrical system should always be verified before installation
  

Where It Works Best

The EH3B090 is commonly used in commercial and industrial facilities where compatible EH3 molded case circuit breakers are specified. It is suitable for panelboards, switchboards, motor control equipment, and other three-phase electrical distribution systems requiring a 90-amp, 3-pole circuit breaker. Matching the original electrical ratings and physical dimensions helps preserve the intended operation of existing equipment while providing the circuit protection needed for everyday service.