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EBMS Explosionproof Motor Starters

Crouse-Hinds series EBMS explosionproof motor starters are used for across-the-line starting, stopping, speed changing and reversing of polyphase AC induction motors.  They are designed to perform safely and reliably in damp, wet, dirty and dusty locations where frequent wash downs are necessary or where heavy rain or water spray is prevalent.  

EBMS Explosionproof Motor Starters

Certifications and compliances


  • Class I, Divisions 1 & 2, Groups B, 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 3, 3R, 4†, 4X*, 7BCD, 9EFG, 12

†Enclosure not suitable for NEMA 4 or 4X with cover mounted operators.

*With S752 or S753 suffix.

Design features

  • Rugged, corrosion resistant, cast copper-free aluminum construction (less than 0.4 of 1%)
  • Motor starter operating handle located through the right side wall of the body permits visual confirmation of correct component assembly and operation
  • Total compliance to the wiring end room requirements of the National Electrical Code and Canadian Electrical Code
  • Semi-clamshell enclosure design, with an external flanged ground joint between body and cover, makes interior components more accessible
  • Minimum enclosure-to-enclosure spacing with little interference between the opened cover and an adjacent enclosure
  • Copper-free aluminum hinges allow the cover to swing well out of the way
  • Stainless steel, quick release, captive, hex head cover bolts; stainless steel springs provide clear indication cover bolts are fully retracted from body
  • Versatile, internal operating mechanisms allow for field adjustment to accommodate popular manufacturers' starters
  • Simple, straightforward installation of starter on pre-drilled mounting plate within enclosure; mounting plate is also field removable
  • Neoprene cover gasket permanently attached to the cover seals out moisture
  • Bodies have top and bottom drilled and tapped entrances for power conduits, plus one at the bottom for control conduit; removable reducers are supplied as standard, to accommodate smaller size conduits; all conduit entrances are plugged
  • Tap-on mounting feet
  • Optional EMPS control devices may be added to enclosure cover
  • Steel bracket for lifting larger enclosures during installation supplied as standard

Standard materials

  • Body and cover – copper-free aluminum
  • Operating handle – copper-free aluminum
  • Operating shaft and bushing – stainless steel
  • Interior parts – sheet steel, electrogalvanized
  • Cover bolts, washers and retractile springs – stainless steel
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