EGH3100FFB 100Amp Circuit Breaker

EGH3100FFB - 100 Amp Circuit Breaker

When you’re responsible for keeping electrical systems running safely, the last thing you want is a breaker you have to second-guess. The Eaton EGH3100FFB is built for exactly that kind of peace of mind. This 100 amp, three-pole molded case circuit breaker is designed to handle real-world electrical demands—protecting your equipment from overloads and short circuits before they turn into bigger, more expensive problems.

What makes this breaker a go-to choice is how effortlessly it balances performance and practicality. It delivers strong interrupting power where it matters most, yet fits neatly into your panel without wasting space. Installation is straightforward thanks to the bolt-on terminals, and once it’s in place, it just quietly does its job. No drama. No constant maintenance concerns. Just reliable circuit protection you can count on.

If you’re working with three-phase power—whether in a commercial building or an industrial setting—this is the kind of breaker that helps you avoid downtime and keep everything moving the way it should.

Key Features and Benefits

• 100 Amp Circuit Protection: helps prevent overloads and short circuits before damage occurs
• High Interrupting Capacity:—up to 65 kAIC at 480 Vac for demanding electrical systems
• Three-Pole Design: built for efficient three-phase power distribution
• Compact Form Factor: that saves valuable panel space
• Bolt-On Terminals: for a secure, stable connection you won’t have to revisit
• T186 Trip Unit: engineered for accurate and timely response
• Series G Construction: known for consistent, long-term performance

Technical Specifications

• Catalog Number: EGH3100FFB
• Product Type: Molded Case Circuit Breaker (Complete Breaker)
• Amperage Rating: 100 A
• Voltage Rating: 600Y/347 Vac
• Frequency Rating: 50/60 Hz
• Number of Poles: 3
• Interrupt Rating:
  • 65 kAIC @ 480 Vac
  • 35 kAIC @ 600Y/347 Vac
  • 100 kAIC @ 240 Vac
• Trip Type: T186
• Frame Type: EG
• Series: Series G
• Terminals: Bolt-On
• Dimensions: 5.5 in (H) x 3 in (W) x 2.99 in (D)
• Weight: 2.91 lb

Material Compliance and Certifications

• UL Listed
• CSA Certified
• IEC Rated
• CE Marked

Where It Works Best

The Eaton EGH3100FFB fits right into commercial, industrial, and facility-level power distribution systems where reliability is critical. It’s commonly used in panelboards, switchgear, and motor control centers, especially in three-phase applications. From HVAC systems to production equipment, it’s a solid choice anywhere consistent protection and uptime are non-negotiable.