EGS3040FFB 40Amp Circuit Breaker

EGS3040FFB - 40 Amp Circuit Breaker

When you’re dealing with electrical systems, you don’t want to second-guess your circuit protection. The Eaton EGS3040FFB is built for exactly that kind of confidence. This 40 amp, three-pole molded case circuit breaker is designed to step in immediately when something goes wrong whether it’s an overload or a short circuit so your equipment and operations stay protected. What professionals appreciate about this model is how reliably it performs under pressure. With strong interrupting ratings and a design that’s proven in real commercial and industrial environments, it handles high fault currents without hesitation. And because it’s part of Eaton’s Series G family, you’re not dealing with an unknown you’re installing something that’s been trusted across thousands of applications. The bolt-on connection is another practical advantage. Once it’s installed, it stays secure, which means fewer headaches down the line. No constant checking, no worrying about loose connections just solid, consistent performance. Add in its compact size, and you’ve got a breaker that fits where you need it without forcing compromises.

Key Features and Benefits

• Fast, Reliable Protection: Responds quickly to overloads and short circuits to help prevent costly damage
• High Interrupting Capacity: Handles demanding fault conditions (up to 85 kAIC at 240 Vac) with confidence
• Built for Three-Phase Systems: Ideal for commercial and industrial power distribution
• Secure Bolt-On Mounting: Helps maintain a tight, stable connection over time
• Compact and Practical: Fits neatly into panelboards and switchgear without wasting space
• Consistent Trip Performance: T186 trip unit delivers predictable, dependable operation

Technical Specifications

• Catalog Number: EGS3040FFB
• Amperage Rating: 40 Amps
• Voltage Rating: 600Y/347 Vac
• Frequency: 50/60 Hz
• Poles: 3
• Interrupting Ratings:
  • 85 kAIC @ 240 Vac
  • 35 kAIC @ 480 Vac
  • 22 kAIC @ 600Y/347 Vac
• Trip Type: T186
• Series: Series G
• Frame Type: EG (Complete Breaker)
• Mounting Type: Bolt-On
• Dimensions: 5.5 in (H) x 3 in (W) x 2.99 in (D)
• Weight: 2.9 lbs

Material Compliance and Certifications

• UL Listed – Meets strict U.S. safety standards
• CSA Certified – Approved for use in Canada
• IEC Rated – Aligns with international performance standards
• CE Marked – Complies with European requirements

These certifications make it a dependable option for projects where compliance isn’t optional it’s required.

Where It Works Best

You’ll typically see the Eaton EGS3040FFB used in commercial buildings, industrial facilities, and heavy-duty electrical distribution systems. It’s a natural fit for panelboards, switchboards, and motor control centers running three-phase power. If your environment involves higher fault current levels or continuous operation, this breaker is designed to handle that workload without becoming a weak point in your system.