EHD3040L - 40Amp Circuit Breaker

EHD3040L - 40Amp Circuit Breaker

When you need a replacement circuit breaker that matches the original equipment specifications, the Eaton EHD3040L is designed to provide the form, fit, and function your electrical system depends on. This 40 Amp, 3-pole molded case circuit breaker is part of Eaton's trusted Series C family and is engineered to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Equipped with a T186 thermal-magnetic trip unit and built on the F-frame platform, the EHD3040L is rated for 50/60 Hz operation and offers an interrupting capacity of 18 kAIC at 240 VAC and 14 kAIC at 480 VAC.

Key Features and Benefits

• 40 Amp continuous current rating
• Three-pole configuration for three-phase electrical systems
• Eaton Series C complete molded case circuit breaker
• EHD circuit breaker design
• F-frame construction for compatible installations
• T186 thermal-magnetic trip unit provides overload and short-circuit protection
• Rated for 50/60 Hz operation
• Line and load terminals for installation flexibility
• Built to last for dependable long-term service
• Designed as a form, fit, and functional replacement where an EHD3040L circuit breaker is specified

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: EHD3040L
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Circuit Breaker Type: EHD
  
• Frame: F
  
• Frame Type: Complete Breaker
  
• Amperage Rating: 40 Amps
  
• Number of Poles: 3
  
• Trip Unit: T186 Thermal-Magnetic
  
• Frequency: 50/60 Hz
  
• Interrupt Rating: 18 kAIC at 240 VAC; 14 kAIC at 480 VAC
  
• Terminals: Line and Load
  
• Dimensions:
  • Length: 3.38 in.
  • Width: 4.13 in.
  • Height: 5.00 in.
• Weight: 4.5 lbs
  
• UPC: 786679317136
  

Material Compliance and Certifications

• UL Listed
• Manufactured to Eaton published specifications
• Covered by Eaton's published warranty policy

Where It Works Best

The Eaton EHD3040L is commonly used in commercial buildings, industrial facilities, manufacturing plants, institutional campuses, and other three-phase electrical distribution systems where a 40 Amp, 3-pole Series C molded case circuit breaker is required. It is well suited for compatible panelboards, switchboards, motor control equipment, and distribution panels that specify this exact breaker.