ED63B040L - 40Amp Circuit Breaker

ED63B040L - 40 Amp Circuit Breaker

If you’re looking for a dependable 40-amp breaker that can handle real-world electrical demands without fuss, the ED63B040L is a solid choice. Built on the ED6 frame and designed in the Sentron style, this 3-pole molded case circuit breaker is made for consistent performance in commercial and industrial settings. It offers strong interrupting capacity across multiple voltage levels, helping protect your system from damaging faults while keeping downtime to a minimum. With included line and load-side terminals and reverse feed capability, it gives electricians more flexibility during installation—something that matters when working in tight panels or retrofit jobs. Add in its HACR rating, and it’s well-suited for HVAC-related applications where reliability is non-negotiable.

Key Features and Benefits

• Delivers steady protection against overloads and short circuits
• High interrupting capacity for added safety in fault conditions
• Works with reverse feed setups for more installation flexibility
• HACR rated for use with HVAC systems and equipment
• 3-pole design supports three-phase power distribution
• Compact frame helps conserve space inside panels

Technical Specifications

• Part Number: ED63B040L
• Amperage: 40A
• Poles: 3
• Frame Type: ED6
• Interrupting Capacity:
  • 18k A.I.C. @ 600VAC
  • 25k A.I.C. @ 480VAC
  • 65k A.I.C. @ 240VAC
• Temperature Rating: 40°C
• Included: Line and load-side terminals
• Weight: 3.0 lbs
• Height: 6.35 inches
• Design Type: Sentron molded case breaker

Material Compliance and Certifications

• Meets common industry standards for molded case circuit breakers
• HACR rated for heating, air conditioning, and refrigeration systems
• Suitable for installation following NEC guidelines
• Built with durable insulating materials designed for long-term use

Where It Works Best

• This breaker fits right into commercial buildings, industrial facilities, and HVAC systems where dependable protection is a must. It’s commonly used in panelboards, distribution systems, and motor-related applications, especially where higher interrupting ratings are required. Whether you're replacing an existing unit or setting up a new system, it’s a practical, no-nonsense option that gets the job done.