HFB3070 - 70Amp Circuit Breaker

HFB3070 - 70Amp Circuit Breaker

The HFB3070 is a 70 Amp, 3-pole thermal-magnetic molded case circuit breaker designed for use in compatible HFB-series electrical distribution systems. Featuring a non-interchangeable trip unit, this breaker provides dependable protection against overloads and short circuits while maintaining the factory-set trip characteristics required for compatible equipment. When you're replacing an existing breaker, it is important to match the original unit's amperage, voltage rating, interrupting capacity, pole configuration, trip characteristics, terminal style, and physical dimensions to ensure proper form, fit, and function.

Key Features and Benefits

• 70 Amp current rating for branch circuit protection
• Three-pole design for compatible three-phase electrical systems
• Thermal-magnetic trip mechanism helps protect against overloads and short circuits
• Non-interchangeable trip unit maintains factory-configured trip characteristics
• Rated for operation in 40°C ambient temperatures
• Includes load-side lugs for compatible electrical connections
• Designed as a form, fit, and functional replacement for compatible HFB-series circuit breakers
• Built to last for dependable service in properly maintained electrical systems
  

Technical Specifications

• Part Number: HFB3070
  
• Type: HFB
  
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
  
• Amperage: 70 Amps
  
• Poles: 3
  
• Voltage / A.I.C. Rating:
  • 14kA @ 600VAC
  • 25kA @ 480VAC
  • 65kA @ 240VAC
• Trip Unit: Non-Interchangeable
  
• Ambient Temperature Rating: 40°C
  
• Terminal Configuration: Includes Load-Side Lugs
  
• Dimensions:
  • Width: 4.13" W
  • Height: 6.00" H
  • Depth: 3.38" D
• Approximate Shipping Weight: 6.00 lbs.
  

Material Compliance and Certifications

The HFB3070 is intended for installation in compatible HFB-series electrical distribution equipment. Installation should be performed by a qualified electrician in accordance with the National Electrical Code (NEC), applicable local electrical codes, and the equipment manufacturer's installation requirements.

Where It Works Best

• Commercial buildings
• Industrial facilities
• Manufacturing plants
• Three-phase electrical distribution systems
• Panelboards
• Switchboards
• Motor and equipment branch circuits
• Maintenance of compatible HFB-series electrical distribution equipment