Series AT21823 ATEX/IECEx Approved 1823 Differential Pressure Switch

The 1823 in Flame-Proof Enclosure

This Series is no longer available, please see Series AT-1800 for the suggested replacement.

Please see Series 1800 for non-ATEX/IECEx approved.

California Residents:  Click Here for Proposition 65 WARNING.

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); (Note: Product temperature limits differ from case).
Pressure Limits:
10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
Switch Type:
SPDT.
Repeatability:
±2% FS.
Electrical Rating:
15 A @ 120 to 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.
Mounting Orientation:
Diaphragm in vertical position.
Set Point Adjustment:
Screw type inside mounting spud internal to switch. External setpoint adjustment knob optional.
Enclosure Rating:
IP66. IP65 with option OPV, overpressure relief valve or external setpoint adjustment knob.
Housing Material:
Aluminum.
Finishing:
Texture epoxy coat RAL7038.
Pressure Connections:
1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
Electrical Connections:
Two 1/2" FNPT. Cable gland not included.
Weight:
11.9 lb (5.4 kg).
ATEX Certificate:
BVI 14ATEX0072.
Agency Approvals:
ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db

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