EH2B040 - 40Amp Circuit Breaker

EH2B040 - 40 Amp Circuit Breaker

When you’re maintaining or restoring an electrical system, the last thing you want is guesswork. The EH2B040 molded case circuit breaker gives you a straightforward, dependable replacement that fits right into existing EH2 frame setups—no modifications, no surprises. Rated at 40 amps with a 2-pole configuration, this breaker is designed to handle everyday circuit protection needs in commercial and industrial environments where consistency matters.

With interrupting ratings of 14k A.I.C. at 480VAC and 18k A.I.C. at 240VAC, it’s built to respond when it counts—helping protect your equipment from overloads and short circuits. Whether you’re servicing a panel, replacing a worn unit, or keeping an older system running as intended, this breaker delivers the proper balance of fit, function, and reliability. Simply put, it does the job it was designed to do—and keeps doing it.

Key Features and Benefits

• Designed for direct replacement in EH2 frame systems, helping reduce installation time
• 40 Amp capacity supports a wide range of commercial and industrial applications
• 2-pole configuration for effective multi-phase circuit protection
• Interrupting ratings up to 14k A.I.C. at 480VAC for dependable fault handling
• Molded case construction built to last under normal operating conditions
• Helps maintain system integrity without requiring equipment changes

Technical Specifications

• Part Number: EH2B040
  
• Amperage: 40A
  
• Poles: 2
  
• Frame Type: EH2
  
• Interrupting Rating: 14k A.I.C. @ 480VAC; 18k A.I.C. @ 240VAC
  
• Operating Temperature: 40°C
  
• Product Type: Molded Case Circuit Breaker
  
• Shipping Weight: 3.0 lbs
  
• Dimensions (Height): 6.0 in
  

Material Compliance and Certifications

• The EH2B040 is manufactured in line with established electrical industry standards for molded case circuit breakers. It is intended for use in systems that must meet applicable electrical codes, supporting safe and compliant operation when installed correctly within its rated parameters.

Where It Works Best

• This breaker is a practical choice for commercial buildings, industrial facilities, and legacy electrical systems that rely on EH2 frame components. It’s commonly used in:
• Electrical distribution panels
• HVAC system protection
• Lighting and branch circuits
• Maintenance and repair projects requiring exact compatibility