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
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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