Essential
for industrial environments, the Series 1800
combines small size and low price with 2% repeatability
for enough accuracy for all but the most demanding applications.
Set point adjustment inside the mounting stud permits mounting
switch on one side of a wall or panel with adjustment easily
accessible on the opposite side. UL and CSA listed, and
FM approved.
CAUTION:
FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
SPECIFICATIONS
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult Factory.
Temperature Limits: -30 to 180°F (-34 to 82.2°C).
1823-00, -20 to 180°F (-28.9 to 82.2°C).
Pressure Limits: 10 psig (68.95 kPa) continuous,
25 psig (172.4 kPa) surge.
Switch Type: Single-pole double-throw (SPDT).
Repeatability: ±2%.
Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive
1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10
A for operation at high cycle rates.
Electrical Connections: 3 screw type, common, normally
open and normally closed.
Process Connections: 1/8" female NPT.
Mounting Orientation: Diaphragm in vertical position.
Consult factory for other position orientations.
Set Point Adjustment: Screw type inside mounting
spud.
Weight: 1 lb, 5 oz (595 g).
Agency Approvals: CE, UL, CSA, FM.
OPTIONS
- Consult Factory for Pricing
Weatherproof Housing
16-ga. steel enclosure with gasketed cover (NEMA 4, IP66)
for wet or oily conditions. Withstands 200 hour salt spray
test. Wt. 5-1/2 lbs. (2.5 kg). Switch must be factory
installed. Change 1823 base number to 1824 and add -WP
suffix. Example: 1824-1-WP.
Explosion-proof Housing
Cast iron base with aluminum cover. Rated Class I, Group
D; Class II, Groups E, F, G. Wt. 7-1/2 lbs. (3.4 kg).
Switch must be factory installed. Change base number to
1824 and add -EXPL suffix. Example: 1824-1-EXPL.
Explosion-proof Cast Housing
Cast Iron base with brass cover. Explosion-proof housing,
NEMA 7 & 9 rated; Change base number to 1824 and add
-CN suffix. Example: 1824-1-CN.
MIL Environmental Construction - Unlisted Model
1820 can be furnished with a special sealed snap switch
for protection against high humidity, fungus and/or military
applications. Similar to Model 1823 except dead band is
slightly greater and some lower set points may not be
possible. To order, add suffix -MIL. Example: 1820-2-MIL.
ACCESSORIES -- See "Ordering"
Page
A-389 Mounting Bracket is 16 ga. steel, zinc plated and dichromate dipped for corrosion
resistance. Provides rugged, permanent mounting and speeds
installation.
