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Adjustable Differential Pressure Switch Kit NS2-0000-02

Adjustable Differential Pressure Switch Kit


The economical Model NS2 Adjustable Differential Pressure Switch Kit is designed for positive, negative, or differential pressure monitoring with actuation on pressure rise or fall in the building automation environment. The set point range can be field configured between 0.10" w.c. and 10.0" w.c. using the appropriate spring included in the kit. The kit includes a switch with quick-connect terminals, five different springs to change the set point range, orifice plugs to restrict air flow, mounting brackets, a hex wrench, and instructions.


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QtyModelDescriptionIn StockList PriceInternet Price
NS2-0000-02 DIFF PRESS SW, ADJUST, 0.05-10" WCIn Stock50.0028.00


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  • Five pressure ranges in one unit
  • Field adjustable setpoint and setpoint range
  • Actuated by pressure or vacuum
  • SPDT switch

Relay Type: SPDT (Silver plated)

Relay Rating: 1.2A @ 24 VAC/VDC, 125 VA @120VAC

Setpoint (SP) :Adjustable w/spring and 7/32″ hex fine adj.

Spring :

Black: 0.1 to 0.3″ WC

Neutral: 0.3 to 0.9″ WC

Yellow: 0.9 to 2.5″WC

Red :2.5 to 5.0″ WC

Blue :5.0 to 10.0″ WC

Differential Progressive,: 2%-5% of max SP spring

Fixed progressive: 0.02″to 0.8″ WC over SP range

Reset Automatic: reset by differential

Sensor Type : Silicone Diaphragm

Operating Pressure Range: 0.1 to 10″ WC

Overpressure :(Burst) 14″WC (3.5kPa)

Max Operating Pressure :(Proof) 14″WC (3.5kPa)

Operating Temperature :-40° to 190℉ (-40 to 88℃)

Operating Humidity: 10 to 90% Non-condensing

Wetted Parts: Silicone

Media Compatibility: Inert dry air

Process Connection: 1/4″ Nipple for 3/8″ tubing

Wiring Terminations : 3 Spade terminals, 1/4″ x 0.032

Mounting : Vertical, 2 tabs w/Holes 0.19″(0.5cm)

Enclosure Rating: Glass-filled polycarbonate, NEMA 1

Dimensions: 3.45″ w x 3.08″ h x 1.67″ d, (8.8 x 7.8 x 4.2 cm)

Weight: 0.25 lb (0.11 Kg)

Approvals :CE, CSA, UL File #MH6213

Warranty: 1 year


Download Additional Data

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document   Installation Manual
document   Data Sheet