EH1B020 - 20Amp Circuit Breaker

EH1B020 - 20 Amp Circuit Breaker

If you’re tracking down a dependable replacement breaker for an existing system, the EH1B020 gives you exactly what you need—no guesswork, no modifications. This 20-amp, single-pole molded case circuit breaker is built to match the original EH1 frame specifications, making it a practical solution when maintaining or servicing panelboards that require this exact configuration.

With a 14k A.I.C. rating at 277VAC, it’s designed to safely interrupt fault currents and protect your circuits from overloads and short circuits. Whether you’re working in a commercial facility, managing a maintenance project, or replacing a failed unit, this breaker fits right in and does its job without complication. It’s calibrated for 40°C environments, which aligns with real-world operating conditions you’ll find in most electrical rooms and equipment spaces.

This is the kind of part professionals look for when keeping systems running the way they were originally designed—simple, compatible, and built to last.

Key Features and Benefits

• Designed for direct replacement in systems using EH1 frame breakers
• 20 Amp, single-pole configuration for standard branch circuit protection
• 14k A.I.C. @ 277VAC helps safely interrupt fault conditions
• Molded case design supports long-term, consistent operation
• Rated for 40°C environments, matching typical installation conditions
• Installs into compatible panelboards without modification

Technical Specifications

• Part Number: EH1B020
  
• Poles: 1
  
• Amperage: 20A
  
• Interrupting Capacity: 14kA @ 277VAC
  
• Frame Type: EH1
  
• Temperature Rating: 40°C
  
• Breaker Type: Molded Case Circuit Breaker
  
• Shipping Weight: 1.5 lbs
  
• Height: 6.0 inches
  

Material Compliance and Certifications

• This circuit breaker is produced in accordance with established electrical industry standards for molded case breakers. It is intended for use in properly designed and code-compliant electrical systems. Always verify alignment with local codes, panel specifications, and application requirements before installation.

Where It Works Best

The EH1B020 is commonly used in commercial buildings, light industrial facilities, and institutional environments where EH1 frame breakers are specified. You’ll typically find it protecting lighting circuits, control panels, and general branch circuits. It’s a strong fit for maintenance teams, electricians, and facility managers who need a reliable, form-fit-function replacement to keep existing systems operating smoothly.