ED43B030L - 30Amp Circuit Breaker

ED43B030L - 30 Amp Circuit Breaker

The ED43B030L molded case circuit breaker is designed to provide dependable overcurrent protection for commercial and industrial electrical distribution systems. Built on the ED4 frame platform, this 3-pole, 30-amp circuit breaker delivers consistent performance in demanding environments where equipment protection and system reliability are essential. With an interrupting rating of 18kA at 480VAC and 65kA at 240VAC, the ED43B030L is engineered to safely interrupt fault currents before they can damage connected equipment. This Sentron-style breaker is HACR rated and calibrated for 40°C operation, making it a practical choice for HVAC systems, motor loads, and panelboard applications. The unit includes line and load-side terminals for straightforward installation and is suitable for reverse feed, offering added flexibility when configuring electrical distribution systems. Its compact footprint and solid construction make it well-suited for maintenance replacements, system upgrades, and new installations requiring reliable circuit protection.

Key Features and Benefits

• 30 Amp Continuous Rating: Designed to protect branch circuits and connected equipment from overloads and short circuits.
• 3-Pole Configuration: Provides simultaneous protection across three phases in commercial and industrial power systems.
• High Interrupting Capacity: Rated 18kA at 480VAC and 65kA at 240VAC to safely clear high fault currents.
• Sentron Style Molded Case Design: Known for dependable performance in panelboards and distribution equipment.
• HACR Rated: Approved for heating, air conditioning, and refrigeration applications.
• Reverse Feed Capable: Can be installed with power applied from either the line or load side when required by the system design.
• Included Line and Load Terminals: Simplifies installation and helps ensure proper conductor connections.
• 40°C Calibration: Built to operate accurately in standard electrical room environments.
  

Technical Specifications

• Part Number: ED43B030L
  
• Amperage Rating: 30 Amps
  
• Number of Poles: 3
  
• Frame Type: ED4
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• Voltage Rating: Up to 480VAC
  
• Operating Temperature Calibration: 40°C
  
• Mounting Style: Panelboard/distribution equipment compatible
  
• Ship Weight: Approximately 3.0 lbs
  
• Approximate Height: 6.35 inches
  
• Terminal Type: Line and load-side terminals included
  
• Special Rating: HACR rated
  
• Feed Orientation: Suitable for reverse feed
  

Material Compliance and Certifications

• Industry Standards: The ED43B030L molded case circuit breaker is manufactured to meet widely accepted electrical industry standards for safety and performance.
• UL and NEMA Compliance: Components are designed for compliance with applicable UL and NEMA requirements commonly associated with molded case circuit breakers used in commercial and industrial power distribution equipment.
• Performance Assurance: These standards help ensure consistent protection performance, reliable operation, and compatibility with properly rated electrical systems.
  

Where It Works Best

• Commercial panelboards and switchboards
• Industrial machinery and motor protection circuits
• HVAC and refrigeration systems
• Electrical distribution panels in office buildings, retail spaces, and manufacturing facilities
• Maintenance replacements for existing ED4 frame breaker installations