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CD1H & CD2H Series Diaphragm Switch
Brand: BarksdaleBarksdale's CD1H and CD2H Housed Diaphragm Pressure Switches provide an ideal solution for pressure control applications requiring tamper proof external adjustment and environments which require water-tight NEMA 4 housings.
These pressure switches are available in single or dual control settings for both positive pressure and vacuum models, to 150 psi. These snap-action switches may be wired normally open or normally closed through a 3/4"-14 NPT conduit connector to free leads to 18".
All models feature self-locking set screw adjustment and dials which are calibrated for increasing setting.
For applications requiring a highly accurate switch in a durable package, Barksdale's CD1H and CD2H Housed Diaphragm Pressure Switches are the ideal choice. Stripped models are also available.
Features- High reliability
- Extremely versatile
- Calibrated dial for easy setpoint adjustment
- Ideal for pressure or vacuum
Specifications
Brand
Accuracy
- ± 0.5 % of Adjustable Range
Adjustment Type
- Pressure & Vacuum: Screw Counter-Clockwise & Screw Clockwise
Approvals & Certifications
- CE
- CSA
- UL
Conduit Connection
- 3/4" NPT
Deadband, Approximate
- psi: 0.07 to 6 (kPa: 0.5 to 41.4, bar: 0 to 0.4) - Pressure Adjustabale Range
Deadband, Approximate - Vacuum
- Inch Hg: 0.14 - 0.8
Diaphragm Material
- 17-7 pH Stainless Steel
Electrical Connectors
- 16 AWG
- 18" Free Wire Leads
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- 0.05 A at 250 Vdc
- 0.1 A at 125 Vdc
- 0.25 A at 250 Vdc
- 0.5 A at 125 Vdc
- 1 A at 125 Vac
- 1 A at 24 Vdc
- 10 A at 125/250 Vac
- 10 A at 125/250/480 Vac
- 2 A at 600 Vac
- 3 A at 480 Vac
- 5 A at 125/250 Vac
Enclosure, Body Material
- Anodized Aluminum
Environmental Protection
- IP66
- NEMA 4
- NEMA 4X
NPT Connection
- 1/2" NPT Female
- 1/4" NPT Female
Operating Temperature
- -40° to 74° C (-40° to 165° F)
Process Connection Material
- AISI 304 Stainless Steel
Proof Pressure
- psi: 3 to 300 (kPa: 20.7 to 2,068, bar: 0.2 to 20.4) - Pressure Adjustable Range
Proof Pressure - Vacuum
- inHg: 6 to 30 - Vacuum Pressure Range
Set Point - Decreasing
- bar: 0.02 to 9.8
- inHg: 0.06 to 29.2 - Pressure Adjustable Range
- kPa: 2.06 to 992.8
- psi: 0.3 to 144
Set Point - Increasing
- bar: 0.01 to 10.2
- inHg: 0.34 to 30 - Pressure Adjustable Range
- kPa: 1.24 to 1,034
- psi: 0.18 to 150
Storage Temperature
- -54° to 93° C (-65° to 200° F)
Switch Type
- Hermetically Sealed
- Single Pole Double Throw (SPDT) Single or Dual Circuit
System Pressure
- bar: 0 to 20.68
- kPa: 0 to 2,068
- psi: 0 to 300
- Air Proving in HVAC Systems
- Engine Monitoring
- Factory Automation
- Food & Beverage
- Medical
- Water Equipment