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Allen-Bradley 140U-H6C3-C20-MT - 20A 3-Pole Thermal Magnetic Breaker

Allen-Bradley
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Allen-Bradley 140U-H6C3-C20-MT is a 20 Amp, 3-pole thermal magnetic molded case circuit breaker designed for reliable overcurrent and short circuit protection in industrial power systems. It operates at a voltage rating suitable for 480Y/277V AC systems with an interrupt rating typically at 10 kA or higher, ensuring robust fault interruption. The breaker features a durable molded case construction for panel or surface mounting, weighing 2.33 lb, and integrates a thermal magnetic trip unit for precise overload and short circuit response. It complies with UL, CSA, and IEC standards, making it suitable for three-phase circuit protection in manufacturing, distribution, and commercial facilities.

Key Features & Specifications
  • Manufacturer: Allen-Bradley
  • Item Subcategory: Molded Case
  • Weight: 2.33 lb
  • Amperage: 20 A
  • Poles: 3
  • Trip Unit: Thermal Magnetic
  • Mounting Type: Molded Case
  • Interrupt Rating: Typically 10 kA or higher (per Allen-Bradley standards)
  • Voltage Rating: Suitable for 480Y/277V AC systems
  • Series/Frame: 140U
  • Certifications: UL, CSA, IEC compliant (typical for Allen-Bradley breakers)
  • Application: Three-phase circuit protection