EGH3070FFB 70Amp Circuit Breaker

EGH3070FFB - 70 Amp Circuit Breaker

If you’re working with an existing Eaton Series G setup and need a breaker that fits right in without headaches, the EGH3070FFB is exactly what you’re looking for. This 70-amp, three-pole molded case circuit breaker is built to match the original EG frame design, so you’re not dealing with guesswork, modifications, or compatibility issues. It’s a straightforward, dependable replacement that helps keep your electrical system doing its job safely.

In real-world applications, what matters most is consistency—and that’s where this breaker delivers. The T186 trip unit responds to overloads and short circuits in a predictable way, helping protect your equipment and reduce the risk of downtime. The bolt-on connection gives you a tight, secure fit inside your panel, which is especially important in environments where stability matters. Whether you’re maintaining a commercial building or supporting an industrial operation, this breaker is designed to stay reliable over time.

Key Features and Benefits

• 70 Amp rating: designed for dependable overcurrent protection
• Three-pole configuration: for three-phase electrical systems
• Bolt-on mounting: provides a solid, secure installation
• Matches Eaton Series G EG frame breakers: for easy, no-hassle replacement
• T186 trip unit: helps protect against overloads and short circuits
• Compact size: makes it easier to work within existing panels
• Built to last: and suited for long-term use in established systems

Technical Specifications

• Catalog Number: EGH3070FFB
  
• Manufacturer: Eaton
  
• Product Type: Molded Case Circuit Breaker (Complete Breaker)
  
• Amperage: 70A
  
• Voltage Rating: 600Y/347 Vac
  
• Frequency: 50/60 Hz
  
• Poles: 3
  
• Trip Unit: T186
  
• Interrupting Capacity:
  • 100 kAIC @ 240 Vac
  • 65 kAIC @ 480 Vac
  • 35 kAIC @ 600Y/347 Vac
• Mounting Type: Bolt-On
  
• Series: Series G
  
• Frame Type: EG
  
• Dimensions: 5.5" H × 3" W × 2.99" D
  
• Weight: 2.91 lbs
  

Material Compliance and Certifications

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

These certifications confirm the breaker meets widely accepted electrical safety and compliance standards, making it suitable for regulated environments.

Where It Works Best

• You’ll typically find the EGH3070FFB in commercial facilities, industrial buildings, and institutional setups where three-phase power is standard. It’s especially useful when you need to replace an existing Eaton EG frame breaker and want something that aligns with the original specs—no redesign, no surprises. From panelboards to switchgear, it’s a practical choice for keeping systems running as intended.