EHB2040L - 40Amp Circuit Breaker

EHB2040L - 40 Amp Circuit Breaker

If you’re working with an older panel and need a breaker that actually fits without guesswork, the EHB2040L is built for that exact job. This 40-amp, 2-pole circuit breaker is designed specifically for legacy electrical panels manufactured before 1989, making it a dependable solution when maintaining or restoring existing systems. Instead of forcing modifications or risking incompatibility, this breaker delivers the correct fit and function right out of the box.

Using a thermal-magnetic trip mechanism, the EHB2040L responds to both overloads and short circuits in a consistent, predictable way—exactly what you want in environments where system stability matters. With a 14kA interrupting capacity at 480VAC and a 40°C rating, it’s well-suited for commercial and industrial applications that rely on older distribution equipment. It also comes complete with line and load terminals, helping streamline installation and reduce downtime.

Simply put, this is the kind of breaker you reach for when the goal is to keep an existing system running safely, without unnecessary changes or complications.

Key Features and Benefits

• Built specifically for panels manufactured prior to 1989
• 40 Amp, 2-pole design for reliable branch circuit protection
• Thermal-magnetic trip unit responds to both overloads and short circuits
• Non-interchangeable trip unit for fixed, consistent performance
• Includes line and load terminals for easier installation
• 14kA interrupting rating at 480VAC for solid fault protection
• Designed to maintain compatibility with existing EHB frame systems
• Built to last in demanding commercial and industrial environments

Technical Specifications

• Part Number: EHB2040L
  
• Amperage: 40A
  
• Poles: 2
  
• Voltage Rating: 480VAC
  
• Interrupting Capacity: 14kA @ 480VAC
  
• Frame Type: EHB
  
• Trip Type: Thermal-Magnetic (non-interchangeable)
  
• Temperature Rating: 40°C
  
• Terminals: Line and load included
  
• Dimensions / Shipping Weight:
  • Height: 6.0 inches
  • Weight: 2.75 lbs

Material Compliance and Certifications

• Manufactured in accordance with applicable industry standards for molded case circuit breakers
• Designed for safe operation within listed electrical ratings
• Suitable for installation in systems requiring adherence to recognized electrical codes

Where It Works Best

• The EHB2040L is ideal for use in older commercial and industrial electrical systems where EHB-frame breakers are required. It’s a strong fit for maintenance teams, electricians, and facility managers who need a direct replacement that installs cleanly into existing panels. Whether you're servicing a long-standing facility or replacing a failed unit, this breaker helps keep your system operating as intended—without redesigning the setup.