PHYSICAL DATA
Temperature limits: -30°F for dry air or gas to 180°F. 1823-00, -20 to 180°F.
Maximum surge pressure: 25 psig.
Rated pressure: 10 psig.
Pressure connections: 1/8" NPT.
Electrical rating: 15 amps, 120-480 volts, 60 Hz. A.C. Resistive 1/8 H.P. @ 125
 volts, ¼ H.P. @ 250 volts, 60 Hz A.C. Derate to 10 amps for operation at high 
cycle rates.
Wiring connections: 3 screw type, common, normally open and normally closed.
Set point adjustment: Screw type inside mounting spud.
Housing: Aluminum die casting. Steel fittings zinc plated, dichromate dipped 
for 200 hour salt spray test.
Diaphragm: Molded silicone rubber with aluminum support plate.
Calibration Spring: Stainless steel.
Mounting spud: ½" pipe thread.
Weight: 1 lb., 5 oz.
Installation: Diaphragm vertical.

SPECIAL MODES AVAILABLE

 Weatherproof housing. 16-ga. steel enclosure for unusually
 
wet or oily conditions. Withstands 200 hour salt spray test. 
Gasketed cover. Wt. 
5½ Lbs. Switch must be installed at 
factory. Specify "WP" after model number. 
Rated NEMA4. 
Explosion-proof Housing. Cast iron base with aluminum 
cover. Rated 
Class I, Div 1 & 2, Groups C, D; Class II, Div 1 
& 2, Groups E, F, G; 
Class III and NEMA 7 CD, 9 EFG. Wt. 
7½ Lbs. (3.4 kg). Switch must be factory 
installed. Change 
base number to 1824 and add -EXPL suffix 
 CENELEC Approved Housing. Cast iron base with brass cover. 
Explosion-proof housing, 
Cenelec approved, EExd and NEMA - 7 & 9 rated; 
Change base 
number to 1824 and add -CN suffix. 
Environmental (MIL) Construction. Unlisted Model 1820 can be 
furnished 
with a special snap switch sealed against the environment 
for high humidity, 
exposure to fungus, and/or for military applications. 
Similar to Model 1823 
except dead band is slightly greater and some lower set points 
may not be 
available. Specify Model 1820--(Range No.)--"MIL" and required set point in 
ordering 
 A-389 Mounting bracket (optional) is 16 ga. steel, zinc 
plated, dichromate dipped for corrosion resistance. Provides rugged, permanent 
mounting 
and speeds installation. 

A/S가능