Mounting orientationVertical
Pressure range3 in. wc to 11.75 in. wc
Operating temp. range-30°F to +180°F
Power requirement15A At 120-480V AC
Electrical connection3 Screw Type, Common, Normally Open, Normally Closed
Enclosure ratingEXP, GP, WP
Mounting hole center to center distance4 3/16"
Overall depth2 3/8"
Sample line connection size1/8"
Product typeDifferential Pressure Switch
Sample line connection typeNPT
Pressure set point3 in. wc to 11.75 in. wc
Switching differential3 in. wc to 11 in. wc
Mounting hole diameter3/16"
Maximum pressure rating45 in. wc
Minimum operating temperature-30°F
Electrical rating1/4 Hp @ 250V AC, 60 Hz, 1/8 Hp @ 125V AC, 15A @ 120 to 480V AC, 60 Hz Resistive, Derate to 10A For OperationAt High Cycle Rates
Contact formSPDT
Electrical connection typeScrew Terminals
For pressure typeDifferential
Reset typeManual Reset
Sample line connector typeNPT
StandardsCe, Rohs
Type of set pointAdjustable
Maximum operating temperature180°F
ApplicationAir Flow Control, Clogged Or Dirty Filter Detection, Frost And Ice Detection
Gross weight0 lbs
Connection size1/8 NPT Female
Temperature range-30-180 °F
Ships factory directNo
Product series1900
Family seriesDwyer Instruments Pressure Switches, 1900 Series
Contact typeSPDT
Ambient temperature-30-180 °F
Process connection1/8 NPT Female
Pressure range psig(bar)10 Bar
Gauge proof pressure500 psig
ApprovalsCE