EHB1020L - 20Amp Circuit Breaker

EHB1020L - 20Amp Circuit Breaker

When you're maintaining an existing electrical system, finding the correct replacement circuit breaker isn't just about matching the amperage rating—it's about ensuring the breaker fits the equipment it was designed for. The EHB1020L is a 1-pole, 20 Amp thermal-magnetic molded-case circuit breaker designed as a form, fit, and function replacement for compatible EHB series applications. Built for use in electrical panels manufactured before 1989, it helps keep legacy electrical systems operating as originally designed without requiring modifications to compatible equipment.

Whether you're replacing a worn breaker during scheduled maintenance or servicing an older distribution panel, choosing the correct replacement helps reduce installation issues and keeps your electrical system consistent with its original design.

Key Features and Benefits

• Form, fit, and functional replacement for compatible EHB series circuit breakers
• 20 Amp current rating for branch circuit protection
• Single-pole thermal-magnetic molded case circuit breaker
• Thermal-magnetic trip mechanism responds to overloads and short circuits
• Non-interchangeable trip unit maintains the original breaker configuration
  
• Rated for operation in 40°C (104°F) ambient temperatures
• Includes both line and load terminals
• Designed for use in electrical panels manufactured before 1989
• Built to last for continued use in compatible electrical distribution systems
  

Technical Specifications

• Part Number: EHB1020L
  
• Type: EHB
  
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
  
• Poles: 1
  
• Amperage: 20 Amps
  
• Interrupting Rating: 14kA @ 277VAC
  
• Trip Unit: Non-Interchangeable
  
• Temperature Rating: 40°C Ambient
  
• Line Terminals: Included
  
• Load Terminals: Included
  
• Dimensions:
  • Width: 1.38 inches
  • Height: 6.00 inches
  • Depth: 3.38 inches
• Approximate Shipping Weight: 3.00 lbs.
  
• Compatible Panels: Panels manufactured before 1989
  

Material Compliance and Certifications

• Thermal-magnetic molded case circuit breaker construction
• Rated for operation in 40°C ambient environments
• Manufactured to the published electrical ratings for this model
• Designed for use in compatible EHB series equipment
• Intended for installation in electrical panels manufactured before 1989
• Install in accordance with applicable electrical codes and equipment manufacturer recommendations
• Always verify breaker compatibility before installation
  

Where It Works Best

The EHB1020L is a practical choice for maintaining compatible commercial, industrial, and institutional electrical systems that continue to rely on EHB series circuit breakers. It is commonly used in distribution panels, lighting panels, branch circuits, and other legacy electrical equipment requiring a 1-pole, 20 Amp thermal-magnetic breaker with a 14 kA interrupting rating at 277 VAC.