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Cutler Hammer HF3020L - Molded Case 20A 3-Pole

Cutler Hammer
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Cutler Hammer HF3020L is a molded case circuit breaker from the HF Series designed for overcurrent protection in electrical distribution systems. This 3-pole, 20A unit operates at 600VAC/250VDC with a thermal magnetic trip mechanism providing long-time and instantaneous protection (LI functions). Weighing 11 lb, it features a feed-thru connection and is panel mounted with an F-frame construction supporting wire sizes from 14 to 1/0 AWG. The breaker is rated for 22kA interrupting capacity at 480VAC and complies with industry standards for 50/60 Hz operation. It is commonly used in panelboards, switchboards, and motor control centers for reliable circuit protection.

Key Features & Specifications
  • Manufacturer: Cutler Hammer
  • Item Subcategory: Molded Case
  • Family: HF Series
  • Type: HF
  • Weight: 11 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 20 A
  • Frame: F Frame (C Series)
  • Interrupt Rating: 100 kA at 240 VAC, 65 kA at 480 VAC
  • Trip Unit: Fixed Thermal / Fixed Magnetic, Non-Interchangeable
  • Mounting Type: Panel Mount
  • Wire Range: 14 to 1/0 AWG
  • Frequency: 50/60 Hz


Part Number: HF3020L