Resistance of copper wire \(at 20 °c\) – MITSUBISHI ELECTRIC BDC4803H User Manual
Page 6
Page : 6
I
1. Power connection
Connect the DC 12V powercable with the DC 12V Terminal.
l Resistance of copper wire (at 20 °C)
Copper
wire size
0,22 mm²
0,33 mm²
0,52 mm²
0,83 mm²
W / m
0,078
0,05
0,03
0,018
l
Calculation of max. cable length between camera and power
supply:
10,5V DC
£ V – (R x 0,42 x L) £ 16V DC
L : Cable length (m)
R : Resistance of copper wire (
W / m)
V : DC output voltage of power supply (V DC)
L standard = V - 12 / 0,42 x R
L min. = V - 16 / 0,42 x R
L max. = V - 10,5 / 0,42 x R
DC 12 V (
± 10%)
INSTALLATION
Power connector camera rear side