EGB3050FFB - 50Amp Circuit Breaker

EGB3050FFB - 50 Amp Circuit Breaker

If you’re maintaining or servicing an existing electrical system, you need a circuit breaker that fits right, installs easily, and does its job without complications. The Eaton EGB3050FFB molded case circuit breaker delivers exactly that. Designed as part of the dependable Series G family, this 50-amp, three-pole breaker is built for consistent circuit protection in commercial and industrial environments where uptime matters.

With its compact EG frame and bolt-on design, the EGB3050FFB slides into compatible panelboards and switchgear without the guesswork. It’s engineered to handle 600Y/347 Vac systems and operates on standard 50/60 Hz frequencies, making it a practical choice for a wide range of three-phase applications. The included T186 trip unit helps manage overloads and short circuits, keeping your electrical system protected and running as intended. Simply put, this is a straightforward, reliable solution for keeping existing systems operating smoothly.

Key Features and Benefits

• Designed for 50A applications in commercial and industrial settings
• Three-pole configuration supports balanced three-phase power systems
• Bolt-on mounting ensures a secure and stable connection
• T186 trip unit helps protect against overloads and short circuits
• Compact EG frame allows for easy fit in compatible equipment
• Interrupt capacity rated at 18 kAIC (480 Vac) and 25 kAIC (240 Vac)
• Built to last and suited for maintaining existing electrical infrastructure

Technical Specifications

• Catalog Number: EGB3050FFB
  
• Product Type: Molded Case Circuit Breaker (Complete Breaker)
  
• Series: Series G
  
• Frame: EG
  
• Amperage Rating: 50 Amps
  
• Voltage Rating: 600Y/347 Vac
  
• Frequency: 50/60 Hz
  
• Poles: 3
  
• Trip Type: T186
  
• Interrupt Rating:
  • 18 kAIC at 480 Vac
  • 25 kAIC at 240 Vac
• Mounting: Bolt-on
  
• Dimensions: 2.99" (L) x 3" (W) x 5.5" (H)
  
• Weight: 2.91 lbs
  

Material Compliance and Certifications

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

These certifications help ensure the breaker meets recognized safety and compliance standards for use in regulated environments.

Where It Works Best

• The EGB3050FFB is a strong fit for commercial buildings, industrial facilities, and institutional electrical systems that rely on three-phase power. It’s especially useful when you need a form-fit replacement for existing Eaton Series G equipment. Whether you’re servicing panelboards or maintaining switchgear, this breaker integrates cleanly into established setups—no redesign required.