5.2
Cast Iron Housings
Cast Iron NEMA 7/9 housing replacements are available
for hazardous atmosphere locations. Both Class I, Div. 1,
Groups C & D and Group B versions are available. The
grey iron cover and base are finished with a baked-on poly-
ester powder coat paint.
NOTE: Consult your local representative on applications to meet
NEMA and other codes not covered in this bulletin.
5.3
Carbon Steel Housings
Carbon steel NEMA 4X switch housings are available for
general purpose and weather proof installations. The hous-
ing base is cast from aluminum while the cover is made
from cold rolled steel. The housings are finished with a
baked-on polyester powder coat paint.
NOTE: Consult your local representative on applications to meet
NEMA and other codes not covered in this bulletin.
7
42-799 Series ‘R’ Electric Switch Mechanisms
Figure 9
Cast Iron Housing Assembly
Figure 10
Carbon Steel Housing Assembly
