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ACP Electrical Fittings STB4550L - Safety Switch 600V 400A

ACP Electrical Fittings
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ACP Electrical Fittings STB4550L is a heavy-duty industrial safety switch designed for reliable circuit protection and disconnection in commercial and industrial power distribution systems. This unit is rated for 600V AC and 400A continuous current, providing robust overcurrent protection in high-load applications. Constructed with a NEMA 4X stainless steel enclosure, it measures approximately 24 inches in height and 12 inches in width, weighing 5.19 lb, and features a visible blade disconnect mechanism for safe maintenance operations. The switch complies with UL 98 and CSA C22.2 standards, ensuring adherence to North American electrical safety codes. Typical applications include motor control centers, panelboards, and branch circuit protection in manufacturing plants, data centers, and heavy machinery environments.

Key Features & Specifications
  • Type: Heavy-duty safety switch, visible blade, NEMA 4X stainless steel enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: Approximately 24 in H x 12 in W
  • Standards: UL 98, CSA C22.2
  • Applications: Motor control centers, panelboards, branch circuit protection in industrial settings
  • Switch Type: Disconnect switch
  • Configuration: 3-pole
  • Enclosure: NEMA 4X stainless steel
  • Weight: 5.19 lb


Product Identification
  • UPC: 78138140364
  • GTIN: 00781381403641