EGH3090FFB 90Amp Circuit Breaker

EGH3090FFB - 90 Amp Circuit Breaker

If you’re responsible for keeping electrical systems running safely, you already know—failure isn’t an option. The Eaton EGH3090FFB molded case circuit breaker is built to give you confidence where it matters most: protecting your equipment, your uptime, and your operation. This 90 amp, 3-pole breaker from Eaton’s trusted Series G line is designed for real-world conditions—not just ideal ones. It delivers reliable protection against overloads and short circuits, with a T186 trip unit that reacts quickly and accurately when something goes wrong. That means less risk of damage, fewer unexpected shutdowns, and more control over your system’s performance. What makes this unit especially practical is how easily it fits into your setup. The bolt-on design provides a solid, secure connection you don’t have to second-guess, while the compact footprint helps you make the most of your panel space. And with strong interrupting ratings across multiple voltage levels, it’s ready to handle demanding environments without hesitation. In short, this is the kind of breaker you install once—and trust to do its job every day.

Key Features and Benefits

• 90 Amp, 3-Pole Protection – Ideal for three-phase commercial and industrial systems
• Fast, Accurate Trip Response (T186) – Helps prevent equipment damage and costly downtime
• High Interrupting Capacity – Built to handle high fault currents with confidence
• Secure Bolt-On Mounting – Keeps connections tight and reliable over time
• Compact, Efficient Design – Saves space in panelboards and switchgear
• Versatile Voltage Support – Rated for up to 600Y/347 Vac applications
• Dependable Performance – Designed for continuous use in demanding environments

Technical Specifications

• Catalog Number: EGH3090FFB
• Amperage Rating: 90 A
• Voltage Rating: 600Y/347 Vac
• Frequency Rating: 50/60 Hz
• Number of Poles: 3
• Trip Type: T186
• Interrupt Rating:
  • 65 kAIC at 480 Vac
  • 35 kAIC at 600Y/347 Vac
  • 100 kAIC at 240 Vac
• Breaker Type: Molded Case Circuit Breaker (Complete Breaker)
• Frame Type: EG Frame
• Series: Series G
• Mounting Type: Bolt-on
• Dimensions (H x W x D): 5.5 in x 3 in x 2.99 in
• Weight: 2.91 lb

Material Compliance and Certifications

• UL Listed – Meets U.S. safety standards
• CSA Certified – Approved for Canadian applications
• IEC Rated – Complies with global performance standards
• CE Marked – Meets European safety requirements

Where It Works Best

The EGH3090FFB is a strong fit for commercial buildings, industrial facilities, and large electrical distribution systems where reliability is non-negotiable. It’s commonly used in panelboards, switchboards, and motor control centers, especially in environments where high fault current capacity and consistent protection are critical.