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Barksdale CD1H, CD2H Series Diaphragm Switch

Diaphragm Switch
CD1H, CD2H Series

• High reliability
• Extremely versatile
• Calibrated dial for easy setpoint adjustment
• Ideal for pressure or vacuum

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6
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Table 1H
Table 2Base Configuration
CD1HSingle setpoint housed
CD2HDual setpoint housed
VCD1HSingle setpoint housed - Vacuum
VCD2HDual setpoint housed - Vacuum
Table 3Limit Switch
-A10 amps @ 125/250 VAC; 3 amps @ 480 VAC;
-B(standard for pressure range 3SS, 80SS or 150SS)
-C10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC;
-H0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC
-J10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC;
-M0.1 amps @ 125 VDC; 0.05 amps @ 250 VDC
-GH10 amps @ 125/250 VAC; 3 amps @ 480 VAC;
-AA(standard for pressure range 2SS or 18SS)
-CC10 amps @ 125/250 VAC; 3 amps @ 480 VAC;
-GH(comes with an elastomer boot)
-HH10 amps @ 125/250 VAC; 3 amps @ 480 VAC;
Table 4Adjustable Range
Adjustable Range (PRESSURE)
Decreasing - psi (bar) Increasing - psi (bar) Approx.Deadband(Actuation Value) psi-(bar)
Adjustable Range (PRESSURE)
Min Min
Adjustable Range (PRESSURE)
2SS.5 (.03) 1.9 (.13) .6 - 1.4 (.04 - .1)
Adjustable Range (PRESSURE)
3SS.3 (.02) .18 (.01) .07 - .15 (0 - .01)
Adjustable Range (PRESSURE)
18SS.4 (.03) 66 (.04) .12 - .26 (.01 - .02)
Adjustable Range (PRESSURE)
80SS.5 (.03) 3.9 (.3) 1.6 - 3.4 (.1 - .2)
Adjustable Range (PRESSURE)
150SS1.5 (.1) 7.5 (.5) 2.3 - 6.0 (.2 - .4)
Adjustable Range (VACUUM)
Decreasing - In. Hg Increasing - In. Hg Approx.Deadband(Actuation Value) In. Hg
Adjustable Range (VACUUM)
Min Min
Adjustable Range (VACUUM)
3SS0.06 0.34 - .28
Adjustable Range (VACUUM)
18SS0.8 1.6 - .8
Table 2Pressure Connection
-P21/2” NPT female pressure fitting
Table 3Options
-Z1Oxygen cleaned
-FXNEMA 4X Enclosure
-WxxxExtra wire length (XXX = inches)
-SxxxFactory pre-set (consult factory)

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