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Enclosed motor starters

GUSC Explosionproof Manual Motor Starters

GUSC explosionproof manual motor starters from Eaton's Crouse-Hinds Division are used in a rigid metallic conduit system for surface mounting adjacent to or remote from the equipment being controlled.  GUSCs prevent arcing of the enclosed switches from causing ignition of a specific hazardous atmosphere, or atmospheres, external to the enclosure.

Certifications and compliances

NEC/CEC

  • Class I, Divisions 1 & 2, Groups C, D
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III

UL standard

  • UL1203

CSA standard

  • C22.2 No. 30

Environmental ratings

  • NEMA/EEMAC 3, 7CD, 9EFG, 12

Design features

  • Enclosures are of rugged metal construction with mounting lugs and taper tapped hubs with integral bushings, in a through feed or bottom feed arrangement, for connection to the rigid metallic conduit
  • Cover is threaded, which provides for fast and proper assembly
  • Provided with a threaded operating shaft and bushing
  • Provision is made to use a padlock with 1/4" hasp, to lock the operating lever in an "ON" or "OFF" position
  • Body and cover threads treated with lubricant at factory to provide raintightness

Standard materials

  • Body – Feraloy iron alloy
  • Cover – copper-free aluminum
  • Shaft and shaft bushing – stainless steel
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