ED42B040 - 40Amp Circuit Breaker

ED42B040 - 40 Amp Circuit Breaker

The ED42B040 circuit breaker is a dependable solution for protecting commercial and industrial electrical systems where consistent performance and safety are essential. Designed in the Sentron-style molded case format, this 2-pole, 40-amp circuit breaker helps guard electrical circuits from overloads and short circuits while maintaining stable power distribution. Its bolt-on mounting design allows for a secure connection within compatible panelboards, helping reduce movement and ensuring reliable electrical contact. Built for demanding environments, the ED42B040 operates at 40°C and features an HACR rating, making it suitable for heating, air conditioning, and refrigeration equipment. With strong interrupting capacity and included load-side terminals, this breaker is engineered to support both standard and reverse feed applications, making it a practical choice for a wide range of power distribution setups.

Key Features and Benefits

• 40 Amp Protection: Designed to safeguard electrical circuits from overloads and short circuits.
• 2-Pole Configuration: Ideal for protecting 240V and compatible multi-phase electrical systems.
• Bolt-On Mounting: Provides a secure and stable connection within compatible panelboards.
• High Interrupting Capacity: Rated 18k AIC at 480VAC and 65k AIC at 240VAC for reliable fault protection.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment installations.
• Reverse Feed Capable: Allows flexible installation options when system design requires it.
• Includes Load-Side Terminals: Helps simplify installation and wiring.
• Sentron Style Molded Case Design: Built for dependable performance in commercial and industrial power systems.

Technical Specifications

• Part Number: ED42B040
  
• Amperage Rating: 40 Amps
  
• Poles: 2
  
• Frame Type: ED4
  
• Interrupting Rating:
  • 18k AIC @ 480VAC
  • 65k AIC @ 240VAC
• Mounting Type: Bolt-On
  
• Operating Temperature Rating: 40°C
  
• Terminal Type: Load-side terminals included
  
• Special Ratings: HACR rated
  
• Reverse Feed: Suitable for reverse feed applications
  
• Approximate Shipping Weight: 2.0 lbs
  
• Approximate Height: 6.35 inches
  

Material Compliance and Certifications

• Industry Standards: The ED42B040 molded case circuit breaker is manufactured to meet widely recognized electrical safety and performance standards for low-voltage distribution equipment.
• Construction: These breakers are typically produced using durable insulating materials and conductive components designed for long service life in electrical panels and switchboards.
• Compliance: Units are built in accordance with industry requirements commonly associated with UL-listed molded case circuit breakers and applicable North American electrical codes, helping ensure safe and compliant installation in commercial and industrial environments.
  

Where It Works Best

• This circuit breaker is commonly used in commercial buildings, industrial facilities, and electrical distribution systems where dependable branch circuit protection is required.
• The HACR rating makes it especially useful for HVAC systems, refrigeration units, compressors, and related mechanical equipment.
• Its bolt-on configuration is well-suited for panelboards that require a more secure breaker connection, while the reverse feed capability adds flexibility in applications where power may enter from different directions within the system.