ED43B100L - 100Amp Circuit Breaker

ED43B100L - 100 Amp Circuit Breaker

The ED43B100L molded case circuit breaker is designed to provide dependable circuit protection for commercial and industrial electrical distribution systems. Built on the ED4 frame platform, this 3-pole, 100-amp breaker helps safeguard equipment and wiring from overloads and short circuits while maintaining consistent electrical performance. With an interrupting capacity of 18kA at 480VAC and 65kA at 240VAC, it is suitable for demanding power distribution environments where reliable fault interruption is essential. The unit is HACR rated, making it appropriate for heating, air-conditioning, and refrigeration applications. Engineered for operation in environments up to 40°C, the ED43B100L includes both line-side and load-side terminals, allowing for secure connections and efficient installation in compatible panels and distribution equipment. Its molded case construction supports long service life and dependable operation in daily use.

Key Features and Benefits

• 100 Amp Current Rating – Designed to protect circuits carrying up to 100 amps in commercial and industrial systems.
• 3-Pole Configuration – Provides simultaneous protection across three phases for balanced power distribution.
• High Interrupting Capacity – Rated 18kA at 480VAC and 65kA at 240VAC, helping safely interrupt high fault currents.
• ED4 Frame Design – Built for compatibility with equipment designed for ED4 frame molded case breakers.
• HACR Rated – Approved for heating, air-conditioning, and refrigeration equipment circuits.
• 40°C Operating Rating – Suitable for standard ambient temperature conditions common in electrical rooms and equipment enclosures.
• Included Terminals – Comes with both line and load-side terminals for straightforward wiring and installation.

Technical Specifications

• Part Number: ED43B100L
  
• Product Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Current Rating: 100 Amps
  
• Frame Type: ED4
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Included Components: Line and load-side terminals
  
• Approximate Shipping Weight: 3 lbs
  
• Approximate Height: 6.35 inches
  

Material Compliance and Certifications

• The ED43B100L molded case circuit breaker is manufactured to meet common electrical safety and performance standards required for molded case circuit protection devices used in North American power distribution systems. HACR certification confirms suitability for HVAC-related equipment circuits, helping contractors and facility managers meet installation requirements for heating and cooling systems.

Where It Works Best

• This 100-amp ED4 frame breaker is well-suited for commercial buildings, industrial facilities, and HVAC power distribution systems where three-phase circuit protection is required. It is commonly used in panelboards, switchboards, and distribution equipment supporting motors, compressors, and general electrical loads. The combination of strong interrupting ratings and HVAC compatibility makes it a practical choice for electrical contractors, maintenance teams, and facility operators maintaining reliable power protection across critical systems.