Dwyer Series 1800 Differential Pressure Switch Low

Dwyer Series 1800 Low Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. Setpoint adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.

Dwyer Series 1800 Differential Pressure Switch Features

Compact size and repeatability provide a high-value switch for many industrial applications
Designed for panel and wall mounting to easily meet mounting requirements in most industrial settings
Pressure ranges from 0.07 in w.c. to 85 in w.c. make this switch suitable for a wide range of applications

Application

Process applications
Mechanical equipment control

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Dwyer Series 1800 Specification

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, CSA, FM, UL. NOTE: Optional (-EXPL) Explosion-proof Enclosure does not possess any agency approvals.