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Dwyer Series
1823-ATEX

ATEX Approved Explosion-Proof Low Differential Pressure Switch
Set Points from 17.5 Pa to 21.26 kPa, Repetitive Accuracy within 2%

SPECIFICATIONS
Service:
Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Temperature Limits: -34 to 82.2°C; 1823-00: (-28.9 to 82.2°C).
Pressure Limits: 68.95 kPa continuous; 172.4 kPa surge.
Enclosure Rating: Explosion-proof and weather-proof II 2 GD EExd IIB T6 - T85°C IP65.
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: 1/4˝ female NPT.
Mounting Orientation: Diaphragm in vertical position.
Set Point Adjustment: Screw type inside mounting spud.
Agency Approvals: CE, ATEX .

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