EHB1020 - 20Amp Circuit Breaker

EHB1020 - 20 Amp Circuit Breaker

When you're dealing with an older panel, you don’t have room for guesswork. The EHB1020 circuit breaker is built for that exact situation—designed to fit panels manufactured before 1989, so you can replace a faulty unit without forcing something that doesn’t belong. This is a 20-amp, single-pole breaker with a thermal-magnetic trip mechanism, meaning it reacts to both overloads and short circuits the way you’d expect. Nothing complicated, just straightforward protection that keeps your system running as intended. With a 14k A.I.C. rating at 277VAC and a 40°C rating, it’s suited for the kind of environments where these older panels are still doing their job every day. It also comes with load terminals included, which saves you a step during installation. If you’ve ever had to track down missing parts mid-job, you know why that matters. At the end of the day, this breaker is about compatibility. It fits right, installs cleanly, and does what it’s supposed to do—no surprises.

Key Features and Benefits

• Made for pre-1989 panels: so you get the right fit without modification
• Thermal-magnetic trip: for dependable response to overloads and short circuits
• 20-amp, single-pole setup: for standard branch circuit protection
• Non-interchangeable trip unit: keeps the configuration consistent
• Load terminals are included: helping speed up installation
• Built to last: and hold up in everyday operating conditions

Technical Specifications

• Part Number: EHB1020
  
• Amperage: 20A
  
• Poles: 1
  
• Voltage Rating: 277 VAC
  
• A.I.C. Rating: 14kA @ 277VAC
  
• Frame Type: EHB
  
• Trip Type: Thermal-Magnetic (non-interchangeable)
  
• Temperature Rating: 40°C
  
• Approx. Height: 6.0 inches
  
• Shipping Weight: 1.38 lbs
  
• Terminals: Load terminals included
  

Material Compliance and Certifications

• Built to meet standard industry expectations for molded case circuit breakers
• Suitable for use where properly rated replacement components are required
• Designed for safe operation within its specified ratings

Where It Works Best

• Older commercial and industrial buildings still using original panel equipment
• Electrical systems installed before 1989
• Repair and maintenance work where matching the original breaker matters
• Service teams handling legacy infrastructure