ED43B125L - 125Amp Circuit Breaker

ED43B125L - 125 Amp Circuit Breaker

The ED43B125L is a dependable 125-amp, 3-pole Sentron-style molded case circuit breaker designed to provide consistent circuit protection in commercial and industrial electrical distribution systems. Built on the ED4 frame platform, this breaker helps safeguard equipment and wiring from overloads and short circuits while maintaining reliable operation in demanding environments. With an interrupting capacity of 18kA at 480VAC and 65kA at 240VAC, it offers strong fault protection for branch circuits and feeder applications. The unit is HACR rated, making it suitable for heating, air conditioning, and refrigeration systems. Designed for flexibility during installation, the ED43B125L includes line- and load-side terminals and is suitable for reverse feed applications. Engineered for operation at 40°C ambient conditions, it provides dependable performance in typical electrical rooms and industrial facilities where consistent circuit protection is essential.

Key Features and Benefits

• 125 Amp Continuous Rating: Provides reliable protection for medium-capacity branch and feeder circuits.
• 3-Pole Configuration: Ideal for three-phase electrical systems commonly used in commercial and industrial installations.
• High Interrupting Capacity: Rated 18kA at 480VAC and 65kA at 240VAC to safely clear high fault currents.
• HACR Rated: Suitable for HVAC and refrigeration equipment protection.
• Sentron Style Molded Case Design: Built for dependable circuit protection and consistent tripping performance.
• Reverse Feed Capability: Allows flexible installation in panelboards and distribution equipment.
• Included Line and Load Terminals: Simplifies wiring and installation during maintenance or system upgrades.
• 40°C Ambient Rating: Designed to operate reliably in standard electrical environments.

Technical Specifications

• Part Number: ED43B125L
  
• Breaker Type: Sentron Style Molded Case Circuit Breaker
  
• Frame Type: ED4
  
• Poles: 3
  
• Amperage Rating: 125A
  
• Interrupting Capacity:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• Ambient Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Terminals: Line and load side included
  
• Reverse Feed: Suitable
  
• Approximate Shipping Weight: 3.0 lbs
  
• Dimensions (Height): 6.35 in.
  

Material Compliance and Certifications

• Industry Expectations: The ED43B125L circuit breaker is manufactured for use in professional electrical distribution systems and is built to meet common industry expectations for molded case circuit protection devices used in commercial and industrial applications.
• HACR Suitability: HACR suitability supports use in HVAC-related systems where reliable circuit protection is required.
  

Where It Works Best

• Commercial buildings and office facilities
• Industrial control panels and machinery protection
• HVAC and refrigeration equipment circuits
• Panelboards and switchboards
• Manufacturing plants and distribution facilities