Cutler Hammer QA-3033-B - Fusible Disconnect Switch 3000A@480V (200kA AIC)
Cutler Hammer QA-3033-B - Fusible Disconnect Switch 3000A@480V (200kA AIC)
Cutler Hammer QA-3033-B - Fusible Disconnect Switch 3000A@480V (200kA AIC)
Cutler Hammer QA-3033-B - Fusible Disconnect Switch 3000A@480V (200kA AIC)

Cutler Hammer QA-3033-B - Fusible Disconnect Switch 3000A@480V (200kA AIC)

Cutler Hammer
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Cutler Hammer QA-3033-B is a bolted pressure switch designed for high-current industrial power distribution systems, featuring a fusible disconnect mechanism for circuit protection. It operates at 480V AC with a 3000A current rating and 200kA interrupting capacity, housed in a rugged NEMA 3R-rated enclosure weighing 150 lb. The switch complies with industry standards for bolted pressure devices, utilizing Class L fuses in a 3-pole single-configuration design. Typical applications include main service disconnects, motor control centers, and heavy-duty power distribution in industrial facilities.

Key Features & Specifications
  • Type: Fusible bolted pressure switch (Pringle family, QA series)
  • Voltage Rating: 480V AC
  • Current Rating: 3000A
  • Configuration: Single
  • Poles: 3
  • AIC Rating: 200kA@480V
  • Fuse Class: L
  • Phase: 3
  • NEMA Rating: 3R
  • Compatible Frames: TJK
  • Weight: 150 lb
  • Switch Style: Fusible disconnect