Crouse-Hinds

Crouse-Hinds EMH521 20000 Dead End Dust-Ignitionproof Explosionproof Raintight Instrument Housing, 5-3/4 in W x 5-11/16 in D x 5-3/4 in H, NEMA 3/12/7D/9E/9F/9G, Copper-Free Aluminum

EMH521 20000 MFG #: EMH521 20000
$3,569.80 / EA
Non-Stock Item
Crouse-Hinds EMH521 20000 Dead End Dust-Ignitionproof Explosionproof Raintight Instrument Housing, 5-3/4 in W x 5-11/16 in D x 5-3/4 in H, NEMA 3/12/7D/9E/9F/9G, Copper-Free Aluminum
  • Country of Origin: MX
  • Depth: 5-11/16 in
  • Finish: Natural
  • Height: 5-3/4 in
  • Manufacturer Name: Eaton
  • Material: Copper-Free Aluminum
  • Mounting Type: Surface
  • NEMA Rating: NEMA 3/12/7D/9E/9F/9G
  • Panel Size: 4-1/4 in W x 4-1/4 in H x 1/4 in THK
  • Series: EMH
  • Type: Dead End Dust-Ignitionproof Explosionproof Raintight
  • Width: 5-3/4 in
Crouse-Hinds series EMH explosionproof instrument housings are used to enclose 2-1/2" or 3-1/2" diameter round, flush rim-mounting meters, whose scale or dial would be visible in the 2-5/8" diameter glass window. EMH instrument housings are certified for use in Class I, Division 1 and Class II, Division 1 areas. They are commonly used in oil refineries, chemical plants, paint and varnish manufacturing plants, coal processing locations, grain processing plants, and other industries with explosive gases or dusts.
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  • Item Features
  • Standards
  • Application
  • To enclose 2-1/2 in or 3-1/2 in Dia round, flush rim-mounting meters, whose scale or dial would be visible in the 2-5/8 in Dia glass window typical types of instruments or meters are ammeters, voltmeters etc
  • In specific hazardous atmospheres such as encountered in oil refineries, chemical plants, paint and varnish manufacturing plants, certain hazardous metal finishing areas, coal processing locations, granaries and grain processing plants
  • Sight-glass in cover permits viewing of instrument dial or setting
  • The cylindrical extension of the cover opening ON the flush bodies will project through a hole in panel
  • Thickness of panel must not exceed 1/4 in to insure flametight assembly of cover threads with body threads
  • Mounting plates and posts in bodies support the instrument close to the heavy glass window in cover
  • Maximum depth of instrument extending from outboard end of posts towards the back wall of enclosure body is 3 in
  • There is ample wiring space in back of instruments
  • Bodies have bosses ON all four sides and back for drilling and tapping of conduit entrances
  • Dead end and through feed arrangements for 3/4 in rigid conduit are standard listings
CSA C22.2 File No. 30|Class I D|Class II E, F, G|Class III|UL 1203
Wet Locations and Instrumentation Applications