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Current Switch Applications
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CURRENT STATUS SWITCHES (Digital Output)
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Applications
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Calibration Method
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Split-Core
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Amp
Range
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Series
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Mini-Split Core
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Amp
Range
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Series
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Belt-loss
(proof of flow)
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AutoSet
PreSet (Manual)
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2.5-135A
1-100A
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C-2330
C-2320
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0.75-50A
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C-1220
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Belt-loss and Control
(command relay)
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AutoSet
PreSet (Manual)
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2.5-135A
1-100A
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C-2330-CR
C-2320-CR
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Load Status (on/off)
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Fixed (none)
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0.15-200A
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C-2300
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0.1-200A
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C-1200
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Load Status and Control
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Fixed (none)
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0.15-200A
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C-2300-CR
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ANALOG CURRENT SENSORS
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Applications
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Output Type
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Split-Core
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Amp
Range
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Series
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Mini-Split Core
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Amp
Range
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Series
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Load Trending
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0- VDC
0-10 VDC
4-2 mA
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30,60,
120A
Selectable
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C-2343
C-2344
C-2345
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20A
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C-1203
C-1204
C-1205
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Load Trending
and Control
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0-5 VDC
0-10 VDC
4-20 mA
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30,60,
12A
Selectable
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C-2343-CR
C-2344-CR
C-2345-CR
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Adjustable type (e.g. Autocal or PreSet models)
Proof of flow for fans/pumps—superior to faulty mechanical differential pressure switches.
Detect belt loss, coupling failure, and electrical faults on supply and return fans and pumps.
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Fixed threshold (go/no)
Load status (on/off ) in applications such as unit vent heaters
Direct drive fans/pumps
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Analog Sensors
Load trending
Coarse energy allocation
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