EC3070 - 70Amp Circuit Breaker

EC3070 - 70Amp Circuit Breaker

When maintaining or servicing an existing electrical distribution system, finding the correct replacement breaker is critical. The EC3070 70 Amp 3-Pole Circuit Breaker is designed for use in compatible Type EC systems, providing the ratings and configuration needed to keep equipment operating as intended.

This thermal-magnetic circuit breaker combines a 70 Amp rating with dependable protection against both overloads and short circuits. Its 3-pole design makes it suitable for three-phase power applications commonly found in commercial buildings, industrial facilities, manufacturing environments, and other demanding electrical installations. The non-interchangeable trip unit helps maintain the original protection characteristics specified for the equipment, making it a practical choice when preserving system compatibility is important.

Whether you're replacing a failed breaker during routine maintenance or sourcing a matching unit for an existing panel, the EC3070 delivers the form, fit, and function required for compatible Type EC electrical equipment. Built to last and designed for long-term service, it remains a dependable solution for supporting legacy power distribution systems.

Key Features and Benefits

• 70 Amp current rating for a variety of power distribution applications
• 3-pole design suitable for three-phase electrical systems
• Thermal-magnetic trip mechanism provides protection against overloads and short circuits
• Non-interchangeable trip unit maintains original protection characteristics
• 10kA interrupting capacity at 240VAC
• Rated for operation in ambient temperatures up to 40°C (104°F)
• Includes load terminals for use in compatible installations
• Designed for form, fit, and functional replacement applications
• Compatible with Type EC electrical distribution equipment
• Built to last when properly installed and maintained

Technical Specifications

• Part Number: EC3070
  
• Type: EC
  
• Amperage Rating: 70 Amps
  
• Poles: 3
  
• Voltage Rating: 240VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Circuit Breaker Type: Thermal-Magnetic
  
• Temperature Rating: 40°C (104°F)
  
• Load Terminals: Included
• Width: 4.13 in.
• Height: 6.0 in.
• Depth: 3.38 in.
• Dimensions: 4.13"W x 6.0"H x 3.38"D
  
• Approximate Shipping Weight: 5.50 lbs.
  

Material Compliance and Certifications

• The EC3070 is intended for installation in compatible electrical distribution equipment and should be applied in accordance with applicable electrical codes, equipment specifications, and site requirements.
• Compatibility with the existing panelboard, switchboard, or distribution system should be verified prior to installation. Installation and maintenance should be performed by qualified electrical personnel following established safety procedures and manufacturer guidelines.
  

Where It Works Best

The EC3070 is commonly used in commercial facilities, industrial plants, institutional buildings, and maintenance environments where Type EC electrical equipment remains in service. It is well suited for panelboards, switchboards, and power distribution systems requiring a 70 Amp, 3-pole circuit breaker with a 10kA interrupting rating at 240VAC. This breaker is particularly useful in applications where maintaining original equipment specifications and compatibility with existing electrical infrastructure is important.