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Allen-Bradley 1492-SPM2C020 - Supplementary Protector 20A 277V AC

Allen-Bradley
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The Allen-Bradley 1492-SPM2C020 is a supplementary protector circuit breaker designed for primary current protection in industrial control panels. This device is rated for 20 Amps at up to 277 Volts AC, providing reliable overcurrent protection for sensitive equipment. The unit weighs 0.15 lb and features a compact design suitable for DIN-rail mounting, with a thermal-magnetic trip mechanism for precise current interruption. It complies with UL 1077 and CSA standards, ensuring safe operation in demanding environments. Typical applications include protecting control circuits, transformers, and motor starters in manufacturing and process automation systems.

Key Features & Specifications
  • Type: Supplementary protector, thermal-magnetic trip, DIN-rail mount
  • Voltage Rating: 277V AC
  • Current Rating: 20 Amps
  • Weight: 0.15 lb
  • Standards: UL 1077, CSA
  • Applications: Control circuit protection, transformer protection, motor starter protection
  • Trip Type: Thermal-magnetic
  • Mounting: DIN-rail
  • Poles: 1
  • Breaker Type: Supplementary protector
  • Item Subcategory: Primary Current Part


Product Identification
  • Manufacturer: Allen-Bradley
  • Model: 1492-SPM2C020