EHD2040 - 40Amp Circuit Breaker

EHD2040 - 40 Amp Circuit Breaker

If you’re maintaining or servicing an existing electrical system that calls for an Eaton Series C breaker, the EHD2040 is built to fit right in—no guesswork, no modifications. This 40-amp, 2-pole molded-case circuit breaker is designed for dependable overcurrent protection in commercial and industrial applications where consistency matters. Its F-frame design keeps installation straightforward, especially in panelboards already configured for this style. The T186 trip unit delivers a stable, predictable response under overload conditions, helping protect your equipment and wiring without unnecessary interruptions. With solid interrupting ratings and a construction built to last, the EHD2040 is a practical, reliable choice for keeping your system operating as intended.

Key Features and Benefits

• 40 amp rating is ideal for branch circuit protection
• Two-pole design supports standard multi-phase applications
• Built for compatibility with Eaton Series C systems
• T186 trip unit ensures consistent and reliable tripping
• F-frame construction allows a seamless fit in existing panels
• Handles both 50 Hz and 60 Hz systems with ease
• Load-side terminals make wiring and servicing more convenient
• Designed for long-term, dependable operation

Technical Specifications

• Catalog Number: EHD2040
  
• UPC: 786679317464
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage Rating: 40 A
  
• Poles: 2
  
• Trip Type: T186
  
• Series: Series C
  
• Frame: F Frame
  
• Frequency: 50/60 Hz
  
• Interrupting Capacity:
  • 14 kAIC @ 480 VAC
  • 18 kAIC @ 240 VAC
• Terminals: Load Side
  
• Dimensions: 6 in (H) × 2.75 in (W) × 3.38 in (D)
  
• Weight: 3 lbs
  

Material Compliance and Certifications

• UL Listed for compliance with U.S. safety standards
• Meets industry requirements for molded case circuit protection

Where It Works Best

The EHD2040 is commonly used in commercial buildings, industrial facilities, and equipment panels that rely on Eaton Series C F-frame breakers. It’s especially useful when replacing an existing unit where matching specifications and physical fit are critical. Whether it’s protecting lighting circuits, HVAC equipment, or distribution panels, this breaker is designed to integrate smoothly into established systems and keep them running as expected.