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+12 VDC "HELPER" SUPPLY FOR LOAD SHARING WITH
UNREGULATED COUNTER SYSTEMS WITH UNUSUAL SENSOR
AND ACCESSORY LOADS, OR . . .
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"STAND-ALONE" APPLICATIONS FOR POWERING SENSORS
AND ACCESSORIES
The Model PS1 is an unregulated +12 Vdc supply designed to load share
when connected in parallel with internal power supplies of the 1900C.3 and
1900C.4 Indicators. It can also be used as a general purpose “Stand-alone”
power supply to power other control circuits, sensors and accessories.
The PS1 is furnished for 115 Vac or 230 Vac, ±10%, 50/60 Hz primary
supply. Operating temperature range is -20
o
to +50
o
C. Output current is per
regulation curve.
MODEL PS1 - OCTAL PLUG-IN ACCESSORY POWER SUPPLY
TYPICAL CONNECTION DIAGRAM
DIMENSIONS “In inches (mm)”
OUTPUT VOLTS/CURRENT REGULATION CURVE
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