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Cutler Hammer QA-2533-B - Fusible Safety Switch 2500A 480V (3-Pole Bolted Pressure)

Cutler Hammer
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Cutler Hammer QA-2533-B is a fusible safety switch designed for heavy-duty circuit protection and isolation in industrial power distribution systems. This bolted pressure switch features a 480V AC voltage rating and 2500A current rating for robust electrical performance in demanding applications. Constructed with a 3-pole single configuration and weighing 150 lb, it provides durable operation with NEMA 3R rated enclosure protection against weather elements. The switch complies with industry standards for high-interrupting capacity applications, featuring a 200kA AIC rating at 480V for reliable fault protection. Typical applications include main service disconnects, feeder circuits, and industrial machinery power control in three-phase systems.

Key Features & Specifications
  • Type: Fusible Safety Switch, Bolted Pressure
  • Voltage Rating: 480V AC
  • Current Rating: 2500A
  • Configuration: Single
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 200kA @ 480V
  • Fuse Class: L
  • NEMA Rating: 3R
  • Compatible Frames: THFK
  • Weight: 150 lb
  • Switch Style: Fusible
  • Item Subcategory: Bolted Pressure
  • Manufacturer: Eaton