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• Cord length and wire gauge
24 V AC
The recommended cord length and copper
wire size are shown in the table for reference.
The voltage supplied to the camera should be
between 19.5 V AC and 28 V AC.
Recommended wire gauge for 24 V AC line.
Copper wire
#24
size (AWG)
(0.22 mm
Length of
m
20
c a b l e
(approx.)
ft
66
12 V DC
The recommended resisance and copper wire
size are shown in the table for reference.
The voltage supplied to the camera should be
between 10.8 V DC and 16 V DC.
Resistance of copper wire [20 °C {68 °F}]
Copper wire size
#24
(AWG)
(0.22 mm
Resistance (Ω/m)
0.078
Resistance (Ω/ft)
0.024
Use the formula below to calculate the power
cord and power supply.
"L", "R", "V
", "I" shall satisfy the inequalitty
A
below.
10.8 V DC ≤ V
L: Cord length (m) {ft}
R: Resistance of copper wire (Ω/m) {Ω/ft}
V
: D C output voltage of power supply unit
A
I: D C current consumption (A). See speci-
fications.
Important:
• When using 12 V DC power supply, the
heater is unavailable.
20
#22
#20
2
2
2
)
(0.33 mm
)
(0.52 mm
)
(0.83 mm
30
45
100
150
#22
#20
2
2
2
)
(0.33 mm
)
(0.52 mm
)
(0.83 mm
0.050
0.03
0.015
0.009
- 2(R x I x L) ≤ 16 V DC
A
#18
2
)
75
250
#18
2
)
0.018
0.005
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