RH-3

RH-3 | Columbus Electric | Pressure

Differential Pressure Switch, Adjustable, 0.05-12.00” WC, Automatic Reset, Barbed Connectors on Both Sides

Brand:Columbus Electric

MPN:RH-3

SKU:RH-3

List Price:

$164.00

Today's Price:

$85.28



Availability: 93 In Stock
Available Inventory
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product specifications

Contact Rating

15A

Contact Type

SPDT

Approvals

UL,CSA

Connection

1/4 in OD Tubing

Direction

Uni-Directional

Housing Material

Metallic

Housing Rating

NEMA 1

Measurement

Inches of Water Column

Media Compatibility

Air

Override

Automatic

Range

±50 in WC

Supply Voltage

277 VAC

Type

Adjustable

Power Required

Switch

Set Point Range

0.05-12 in

product series specifications

    Relay Type :
  • SPDT
    Relay Rating :
  • 0.5A @ 24V AC/DC, 15 A resistive @ 120-277VAC
    :
  • 1/4 HP @125 VAC, 1/2HP @ 250 VAC
    Calibration :
  • RH-3-2 Adjustable, 0.05 to 2.0" WC
    Differential :
    RH-3 :
  • Fixed progressive, 0.05" to 2.0" WC over SP range
    RH-3-2 :
  • Fixed progressive, 0.02" to 0.8" WC over SP range
    Reset :
  • Automatic reset by differential
    Sensor Type :
  • Silicone Diaphragm
    Operating Pressure Range :
  • 0.05 to (12" WC or 2.0" WC)(See ordering)
    Overpressure:
  • (Burst) 13.85"WC (3.45kPa)
    Max Operating Pressure :
  • (Proof) 13.85"WC (3.45kPa)
    Operating Temperature :
  • -40° to 180‚Ñâ (-40° to 82‚ÑÉ)
    Operating Humidity :
  • 10 to 90% Non-condensing
    Media Compatibility :
  • Inert dry air
    Process Connection :
  • 1/4" compression
    Wiring Terminations :
  • 3 Terminals
    Mounting Vertical:
  • 2 tabs w/Holes 0.19" (0.48cm)
    Enclosure Rating :
  • NEMA 1
    Dimensions :
  • 4" w x 6.1" h x 1.69" d, (10.2 x 15.5 x 4.3 cm)
    Weight :
  • 2.0 lb (0.9 Kg)
    Approvals :
  • UL listed, file #MH10196, CSA
    Warranty :
  • 2 year

more information & related documents

Series Description

The RH-3 Series Differential Pressure Switches monitor low-air pressure, vacuum, or differentials of air pressure. These switches are commonly used to prove blower operation, to sense dirty filters, and to monitor pressure drop across coils. Both the Model RH-3 switch and Model RH-3-2 switch are shipped with 1/4 in compression fittings, suitable for use with 1/4 in OD copper or plastic tubing, and a 12 in (30.5 cm) length of 1/4 in plastic tubing.

Kele Description

DIFF PRESS SW, ADJUST, 0.05-12 INCHES WC

Manufacturer

Columbus Electric

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