Kurz Instruments Inc. December 13, 2007
360210-AH Rev.A 504/534FTB Installation AH - 11
Figure AH-7. DC and AC power connection.
AC Powered Units
A universal input 85-265 VAC and 50-60 Hz supply generates a nominal 24 VDC to
power the unit. The AC wiring uses one of the two ¾” conduit ports for the signal wiring.
The AC powered units have a long pull tab attached to the plug so it is easy to remove
the plug and connect the AC wiring with a 1/8” screw driver.
Figure AH-8 AC power pull tab to be removed.
Discard the pull tab as the power wiring can be used to guide the plug
in/out of the power supply.
These wires must be inside the plastic insulator sleeve to prevent the
wires from catching in the threads of the explosion proof lid. The
internal ground can be made via the AC power plug or a 10-32 stud on
the PCB.
24 VDC
AC Power
Green Power
LED
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