|
A.
J. & L. Taylor UK Ltd. |
|
|
|
|
1939SM 32 Amp 500 Watt Power
Supply |
|
|
|
|
|
A 32 amp 500 watt switch mode
power supply with PFC ( Power Factor Correction) |
|
|
|
|
Features : |
|
|
|
Adjustable Output 12 to 18 volts
DC. |
|
|
Current limit set at 37 Amps |
|
|
Universal mains input 90 ~ 260
Volts AC 47 ~ 63 HZ. |
|
|
Worldwide approval. |
|
|
Compact size |
|
|
|
|
|
Size 175 mm wide, 270 mm deep,
110 mm high, weight 3.0 Kg |
|
|
|
|
|
|
|
|
|
1939SM |
32 amp 500 Watt Power Supply |
|
|
|
|
|
Useful information |
|
Current = Voltage /
Resistance |
|
Example 100 ohm coil at
15 volts DC Current = 15 / 100 = 0.15 amps |
|
Cable Losses |
|
Voltage drop per.
cable = Current in
amps x cable factor x length in metres |
|
|
Area sq mm |
.078 |
.196 |
.22 |
.5 |
.75 |
1.0 |
1.5 |
2.5 |
4.0 |
6.0 |
10.0 |
16.0 |
25.0 |
|
Cable Size |
10/.1 |
1/.5 |
7/.2 |
16/.2 |
24/.2 |
30/.25 |
30/.25 |
50/.25 |
56/.36 |
84/.3 |
80/.4 |
126/.4 |
196/.4 |
|
Cable factor |
.242 |
.096 |
.085 |
.037 |
.025 |
.0185 |
.0127 |
.0076 |
.0047 |
.0032 |
.0019 |
.0012 |
.0008 |
|
|
. |
|
Example : 30 amp transformer,
16sq mm cable, 20 metres long |
|
|
Voltage drop in
each cable = 30
x 0.0012 x 20 = 0.72 volts |
|
|
|
|