EHD2040L - 40Amp Circuit Breaker

EHD2040L - 40 Amp Circuit Breaker

If you’re looking for a dependable 40 amp circuit breaker that does its job—trip when it should, protect what matters, and last—you’re in the right place. The Eaton EHD2040L is a two-pole molded case circuit breaker from the trusted Series C line, designed for professionals who don’t have time for guesswork or failures. This breaker is built to handle real-world electrical demands in commercial and industrial environments. With its T186 trip unit, it responds quickly and accurately to overloads and short circuits, helping prevent costly damage and downtime. Its compact size makes it easy to fit into existing panelboards or switchgear, while its solid interrupting capacity gives you confidence when systems are under stress. In plain terms: this is the kind of breaker you install once and don’t have to think about again.

Key Features and Benefits

• Consistent, Reliable Protection: 40 amp rating with a T186 trip unit ensures accurate tripping when it matters most
• Handles High Fault Conditions: Interrupting capacity of 18 kAIC at 240 VAC and 14 kAIC at 480 VAC
• Two-Pole Design: Ideal for protecting 240V circuits in commercial and industrial applications
• Compact Footprint: Saves space in panels without sacrificing performance
• Built for Everyday Use: Designed to perform in demanding environments without constant maintenance
• Easy Installation: Line and load terminals provide straightforward, secure connections

Technical Specifications

• Catalog Number: EHD2040L
  
• Manufacturer: Eaton
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Frame Type: F Frame
  
• Breaker Type: EHD
  
• Amperage Rating: 40 Amps
  
• Poles: 2
  
• Trip Unit: T186
  
• Voltage Rating: Up to 480 VAC
  
• Interrupt Rating:
  • 18 kAIC at 240 VAC
  • 14 kAIC at 480 VAC
• Frequency: 50/60 Hz
  
• Terminals: Line and Load
  
• Dimensions: 6 in (H) x 2.75 in (W) x 3.38 in (D)
  
• Weight: 3 lbs
  

Material Compliance and Certifications

• UL Listed: Tested and certified to meet recognized U.S. safety standards
• Built in accordance with industry requirements for performance and electrical system protection

Where It Works Best

The Eaton EHD2040L is a strong fit for commercial buildings, industrial facilities, and equipment panels where dependable circuit protection is non-negotiable. It’s commonly used in panelboards and distribution systems, especially for 240V applications that require a compact, high-performance two-pole breaker. Whether you’re replacing an existing unit or outfitting a new system, it’s a practical, no-nonsense choice for electricians and maintenance teams who value reliability.