EGH3040FFB - 40Amp Circuit Breaker

EGH3040FFB - 40 Amp Circuit Breaker

When you're dealing with electrical systems, you don’t want surprises. The Eaton EGH3040FFB is built for exactly that mindset—steady performance, fast response when there’s a fault, and no unnecessary complications. This 40-amp, 3-pole molded case circuit breaker is a solid choice for commercial and industrial setups running up to 600Y/347 Vac. It’s designed to step in immediately when something goes wrong, with interrupting capacity reaching up to 100 kAIC at 240 Vac. That kind of protection helps limit damage and keeps your system from going down longer than it has to. The bolt-on design gives you a secure, dependable connection, and since it’s part of Eaton’s Series G line, you’re getting a breaker that’s been used and trusted in the field for years—not something unproven.

Key Features and Benefits

• Handles high fault conditions: Handles high fault conditions with up to 100 kAIC at 240 Vac
• 40 amp rating: 40 amp rating works well for a wide range of commercial and industrial circuits
• Three-pole design: Three-pole design for full three-phase protection
• Bolt-on terminals: Bolt-on terminals help ensure a tight, reliable install
• T186 trip unit: T186 trip unit delivers consistent, predictable response
• Compact size: Compact size makes it easier to fit into existing panel spaces
• Series G platform: Built on Eaton’s Series G platform, known for dependable performance

Technical Specifications

• Catalog Number: EGH3040FFB
  
• Amperage: 40 A
  
• Voltage: 600Y/347 Vac
  
• Poles: 3
  
• Frequency: 50/60 Hz
  
• Interrupting Capacity:
  • 100 kAIC @ 240 Vac
  • 65 kAIC @ 480 Vac
  • 35 kAIC @ 600Y/347 Vac
• Trip Type: T186
  
• Breaker Type: Molded Case (EG Frame)
  
• Termination: Bolt-On
  
• Size: 5.5 in (H) x 3 in (W) x 2.99 in (D)
  
• Weight: 3 lbs
  

Material Compliance and Certifications

• UL Listed: UL Listed
• CSA Certified: CSA Certified
• IEC Rated: IEC Rated
• CE Marked: CE Marked
• Standards: Meets widely accepted safety and performance standards, so it’s suitable for both domestic and international applications.

Where It Works Best

• This breaker is commonly used in commercial buildings, industrial facilities, and equipment distribution systems where steady, reliable protection is expected. It fits well in panelboards and switchboards handling three-phase power, especially in environments where downtime isn’t an option.