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Westinghouse 21SPBDOS - SPB Cradle Circuit Breaker (150 lb)

Westinghouse
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The Westinghouse 21SPBDOS is a cubicle (cradle) unit from the SPB Series, designed as a draw-out circuit breaker mechanism for primary overcurrent protection in industrial power distribution systems. This unit is rated for standard voltage and current levels typical of SPB frame breakers, with a weight of 150 lb, and features a robust construction with a metal frame and mechanism parts for reliable operation. It complies with industry standards for electrical safety and performance, ensuring compatibility with Westinghouse SPB switchgear. The 21SPBDOS is commonly used in industrial applications requiring a removable breaker cradle for maintenance and isolation in medium-voltage distribution.

Key Features & Specifications
  • Type: SPB Series cubicle (cradle) for draw-out circuit breaker
  • Voltage Rating: Standard SPB frame voltage
  • Current Rating: Standard SPB frame current
  • Weight: 150 lb
  • Section: Misc. Frame / Mechanism Parts
  • Family: SPB Series
  • Item Subcategory: Cubicles (Cradles)
  • Manufacturer: Westinghouse


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