EHB3020L - 20Amp Circuit Breaker

EHB3020L - 20 Amp Circuit Breaker

When you're dealing with an older panel, the last thing you want is to “make something work.” You need a breaker that drops in, matches the original setup, and does its job without complications. The EHB3020L was built for exactly that purpose. This 20-amp, 3-pole circuit breaker is designed for EHB frame systems commonly found in panels manufactured before 1989, making it a practical choice for keeping existing equipment up and running. It uses a thermal-magnetic trip mechanism, which means it responds to both sustained overloads and sudden short circuits—just like the original components these systems were built around. Because the trip unit is non-interchangeable, what you get is consistent, fixed protection—no adjustments, no surprises. And since it includes line and load terminals, you’re not chasing extra parts just to complete the install. If your goal is simple—replace the breaker, restore protection, and move on—this one checks all the boxes.

Key Features and Benefits

• Made for Older EHB Panels – Fits systems designed for EHB frame breakers without modification
• 20 Amp, 3 Pole Design – Supports three-phase applications with balanced protection
• Thermal-Magnetic Operation – Handles everyday overloads and instant fault conditions
• Fixed Trip Unit – No adjustments needed; operates exactly as designed
• Line & Load Terminals Included – Helps streamline installation
• 14kA @ 480VAC Rating – Meets fault interruption needs for compatible systems
• 40°C Rated – Suitable for standard operating environments
• Built to Last – Solid construction intended for long-term service in existing infrastructure

Technical Specifications

• Part Number: EHB3020L
  
• Amperage: 20A
  
• Poles: 3
  
• Voltage Rating: 480VAC
  
• Interrupting Capacity: 14kA @ 480VAC
  
• Frame Type: EHB
  
• Trip Type: Thermal-Magnetic
  
• Trip Unit: Non-interchangeable
  
• Temperature Rating: 40°C
  
• Included Components: Line and load terminals
  
• Height: 6.0 inches
  
• Weight: 4.13 lbs
  

Material Compliance and Certifications

• Produced in line with standard industry requirements for molded case circuit breakers
• Intended for use in systems following NEC and applicable electrical safety guidelines
• Designed to operate within established electrical ratings and environmental conditions

Where It Works Best

You’ll typically find the EHB3020L in commercial and industrial facilities, schools, and older buildings where original panelboards are still in service. It’s especially useful for maintenance teams and electricians who need a direct replacement that fits the existing setup without redesigning the system.