Use and Care Manual

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Commercial Pressure and Float Switches for Power Circuits
Selection Guide—Float Switches
12
03/2011
Class 9037 Type H—Closed Tank with Bushing
Type of Installation Horsepower rated
Product Features
2-pole switch
Standard action—contacts close on liquid rise
Reverse action—contacts open on liquid rise
Fluids Controlled Water, hydraulic oils, corrosive fluids
Fluid Characteristics Fresh water, sea water, hydraulic oils, and corrosive fluids with a density ≥ 0.8
Contact Arrangement Standard: 2 N.O. (DPST). Form R: 2 N.C. (DPST).
[1]
1
NEMA Type 1 devices can be field modified for reverse action. NEMA Type 4, 7, and 9 devices cannot be field modified for reverse action.
Degree of Protection NEMA Type 1 NEMA Type 4 NEMA Type 7, 9
Electrical Connection
4 screw terminals, 3 knockouts for 1/2 in.
conduit entry
4 screw terminals, 2 cable entries, 3/4-14 conduit entry
Ambient Temperature –22 to +220 °F (–30 to +105 °C)
Catalog Numbers 9037HG 9037HW 9037HR
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