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Allen-Bradley 140U-H2C3-C20-A - Molded Case 20A 3-Pole H Frame

Allen-Bradley
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Allen-Bradley 140U-H2C3-C20-A is a 20 Amp, 3-pole molded case circuit breaker from the 140U series, designed to provide overcurrent protection in industrial and commercial power distribution systems. It operates at a supply voltage up to 480V AC at 60 Hz with an interrupting rating in the 20-29 kA range, utilizing a fixed thermal and fixed magnetic trip unit for reliable fault interruption. The H frame design accommodates up to 125 Amps and weighs approximately 4 lb, featuring a molded case construction for durability. This circuit breaker complies with UL489, CSA 22.2 No.5, KEMA-KEUR, CCC, and CE certifications, ensuring adherence to global safety standards. Typical applications include protecting branch circuits, motor control centers, and panelboards in medium-duty industrial environments.

Key Features & Specifications
  • Manufacturer: Allen-Bradley
  • Item Subcategory: Molded Case
  • Weight: 4 lb
  • Amperage: 20 Amps
  • Poles: 3
  • Frame Size: H Frame (up to 125A)
  • Mounting Type: Molded Case
  • Interrupt Rating: 20-29 kA
  • Voltage Rating: 480V AC, 60 Hz
  • Trip Unit: Fixed Thermal / Fixed Magnetic
  • Series: 140U
  • Certifications: UL489, CSA 22.2 No.5, KEMA-KEUR, CCC, CE