FUTEK IPM600 (D610) Digital Display - Manual (Page 116)

17.DC POWER SOURCE
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17. DC POWER SOURCE
The F371 can be used on a DC power source by specification at delivery time.
Connect the positive (+) side of the power source to the red screw side of the terminal
block on the back of the F371, and its negative (-) side to the black screw side.
Input voltage range (voltage between terminals of the F371)
12 - 24V DC ( ± 15%)
Power consumption
20W max
Red
Black
CAUTION
Be aware that the voltage drops depending on the wire thickness and
length. Also, never input an AC power source. Doing so will cause a
failure.
CAUTION
Use a source power (or battery) of 3A DC or more.