Series-1900

Compact Low Differential Pressure Switch, 0.07-20 inH2O, UL/CE/CSA/FM

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Models In Stock

Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
Range screw protected inside enclosure provides simplifies making adjustments but prevents tampering

See Product Overview

Series-1900

From ^$ 80.25

Models In Stock

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More Variations Available

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Data Sheet

Product Overview

Compliance CE, CSA, FM, UL
Compliance Note CE, CSA, FM, and UL. Optional-EXPL explosion-proof enclosure does not possess any compliance.
Materials, Wetted Consult Factory
Media Compatibility Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases
Mounting Orientation Vertical Diaphragm
Operating Temperature, Max 180 °F
Operating Temperature, Min -30 °F
Pressure Type Differential
Process Connection Size 1/8 in
Process Connection Type NPT Female
Proof Pressure Up to 45 inH2O
Repeatability ± 3%.
Set Point Adjustment Internal Screw
Switch Note 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
Switch Rating 15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac
Weight 581 g

Our most popular Series 1900 Compact Low Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Please see Series AT-1900 for ATEX approved.

California Residents: Click Here for Proposition 65 WARNING.