EHC3070 - 70Amp Circuit Breaker

EHC3070 - 70 Amp Circuit Breaker

If you’re maintaining an existing electrical system, you already know how important it is to find a breaker that fits right the first time. The EHC3070 circuit breaker is built for exactly that purpose. It’s a 3-pole, 70-amp thermal-magnetic breaker designed to match EHC frame setups, so you can install it with confidence and keep your system operating the way it was intended. It responds to overloads and short circuits in a steady, predictable way, which is exactly what you want when protecting your equipment. With a 40°C rating and load terminals included, it’s a practical, no-nonsense solution for everyday commercial and industrial applications. Simply put, it’s a reliable replacement option that helps you get in, get it done, and move on.

Key Features and Benefits

• 70 Amp Rating – Well-suited for a wide range of commercial and industrial circuits
• 3-Pole Configuration – Designed for three-phase electrical systems
• Thermal-Magnetic Operation – Handles both overload and short-circuit protection
• Fixed Trip Unit – No adjustments needed, just consistent protection
• EHC Frame Fit – Matches existing equipment without modification
• Load Terminals Included – Helps simplify installation
• Built to Last – Designed for dependable, long-term use

Technical Specifications

• Part Number: EHC3070
  
• Amperage: 70A
  
• Poles: 3
  
• Voltage Rating:
  • 480VAC @ 14k A.I.C.
  • 240VAC @ 18k A.I.C.
• Trip Type: Thermal-Magnetic
  
• Frame Type: EHC
  
• Trip Unit: Non-interchangeable
  
• Temperature Rating: 40°C
  
• Included: Load terminals
  
• Shipping Weight: 4.13 lbs
  
• Height: 6.0 inches
  

Material Compliance and Certifications

• This circuit breaker is manufactured to meet established electrical safety and performance standards.
• It is intended for use in systems aligned with NEC (National Electrical Code) requirements when installed correctly.
• Always verify local code compliance and application requirements before use.

Where It Works Best

• The EHC3070 makes sense anywhere you need a straightforward replacement that fits and functions without extra adjustments.
• Common applications include:
• Existing EHC panelboards in commercial buildings
• Industrial facilities using three-phase power
• Routine maintenance and repair work
• Electrical distribution systems up to 480VAC
• When compatibility matters and downtime isn’t an option, this breaker gives you a clear, reliable path to keeping your system up and running.