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Cutler Hammer HF3070L - Molded Case Circuit Breaker 70A 600V

Cutler Hammer
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Cutler Hammer HF3070L is a 3-pole molded case circuit breaker from the HF Series, designed to provide thermal-magnetic protection with long-time and instantaneous (LI) trip functions for industrial power distribution systems. It is rated for 600V AC, 70A continuous current, and an interrupting capacity of 22kA at 480V, with a 3-phase feed-thru connection. The unit weighs 11 lb and features a compact molded case construction suitable for panelboard or switchboard installation. This breaker complies with UL and NEMA standards for overcurrent protection in commercial and industrial environments. Typical applications include motor control centers, lighting panels, and feeder circuits requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: HF Series Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC Rating: 22kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 11 lb
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, NEMA AB1
  • Installation Type: Panelboard or Switchboard
  • Breaker Frame: HF
  • Trip Type: Thermal Magnetic
  • Panel Type: Standard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Fixed
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 70A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 70A
  • Full Load Amp Minimum: 70A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Coil Voltage Maximum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 70A
  • Amperage Minimum: 70A
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, NEMA AB1
  • Compatible Frames: HF
  • Installation Type: Panelboard or Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HF
  • Current Rating: 70A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 105°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available