ED43B070 - 70Amp Circuit Breaker

ED43B070 - 70 Amp Circuit Breaker

The ED43B070 molded case circuit breaker is a dependable power distribution and protection device designed for commercial and industrial electrical systems that require consistent performance and reliable circuit protection. Built on the ED4 frame platform, this 3-pole, 70-amp breaker helps safeguard equipment and wiring from overloads and short circuits while maintaining stable system operation. Its bolt-on mounting design provides a secure installation in compatible panelboards and switchboards, helping reduce vibration and connection issues in demanding environments. Rated 18kA at 480VAC and 65kA at 240VAC, the ED43B070 delivers strong interrupting capability for high-fault electrical systems. The breaker is also HACR rated and designed to operate in environments up to 40°C, making it well-suited for HVAC equipment and other heavy electrical loads. With load-side terminals included and reverse feed capability, it offers added installation flexibility for electricians and maintenance teams working on new installations or system upgrades.

Key Features and Benefits

• 70 Amp Current Rating: Designed to protect circuits carrying up to 70 amps in demanding electrical systems.
• 3-Pole Configuration: Provides protection across three phases, making it ideal for commercial and industrial power distribution.
• High Interrupting Capacity: Rated 18kA at 480VAC and 65kA at 240VAC to safely interrupt high fault currents.
• ED4 Frame Design: Compatible with ED4 frame systems commonly used in commercial electrical panels.
• Bolt-On Mounting: Ensures a firm, stable connection to the bus bar for improved reliability.
• HACR Rated: Approved for use with heating, air conditioning, and refrigeration equipment.
• Includes Load-Side Terminals: Simplifies installation and wiring during system setup or maintenance.
• Reverse Feed Suitable: Allows flexibility in electrical system configuration.
  

Technical Specifications

• Part Number: ED43B070
  
• Amperage Rating: 70A
  
• Poles: 3
  
• Frame Type: ED4
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• Mounting Type: Bolt-On
  
• Operating Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Reverse Feed Capable: Yes
  
• Included Terminals: Load-side terminals included
  
• Approximate Shipping Weight: 3.0 lbs
  
• Approximate Shipping Height: 6.35 in
  

Material Compliance and Certifications

• The ED43B070 circuit breaker is manufactured to meet commonly accepted electrical industry standards for molded case circuit protection devices.
• HACR certification confirms suitability for heating, air conditioning, and refrigeration equipment applications.
• Components are designed for safe performance in commercial and industrial electrical distribution systems when installed according to applicable electrical codes and manufacturer guidelines.
  

Where It Works Best

• This circuit breaker is commonly used in commercial buildings, industrial facilities, and institutional electrical systems where dependable three-phase circuit protection is required.
• It performs well in panelboards, switchboards, and distribution systems supporting HVAC equipment, motors, lighting systems, and other heavy electrical loads.
• The bolt-on design makes it especially suitable for installations where a secure bus connection and long-term reliability are important.