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2.18.3 POWER CONNECTIONS
To facilitate installation wiring diagrams and indicative tables for scaling the line and utility wires are supplied.
Bare in mind that all devices and lines must be protected against short-circuits and overloads by law and that for reasons of safety all
prevention measures against accidental direct contacts must be taken (see IEC 64-8/4 standard) therefore an automatic switch of adequate
capacity is to be installed at the beginning of the mains inlet cable (and selectivity) and a differential switch on the utility line.
EN 60439-1 TABLE A1
VALUES FOR ONE SINGLE WIRE
SWITCHING IN
AMPERE Ith
NUMBER OF THE
WIRES
MIN. CROSS SECTION
IN sq m
MAX. CROSS SECTION
IN sq m
25A 1 2,5 6
40A 1 6 10
60A 1 10 16
90A 1 16 25
110A 1 25 35
125A 1 35 50
160A 1 50 70
200A 1 70 95
260A 1 95 120
350A 1 150 185
400A 1 185 240
500A 2 95 120
630A 2 120 150
800A 2 240 300
1000A 3 240 300
1250A 4 240 300
1600A 5 240 300
2000A 6 240 300
2500A 7 240 300
For further information contact a reliable installation engineer or our engineering department.
2.18.4. CONNECTIONS TO THE BATTERY
To supply power to the GC M02MP power module, we advise connecting directly to the battery cables that are connected to the starter motor.
The use of motor earths to connect up the –B has often given rise to operating problems.
2.18.5 STARTING AND STOPPING
These may directly command devices with currents up to 30 A . Use terminal no. 6 to command electromagnetic switches energised during
stoppage.
Fig. : 3
Operation : with the stopping command the electromagnet is energised and stops the motor. To establish the
stoppage of the motor the closure of the oil pressure switch is controlled, which after 20 seconds from when it closed
automatically disables the electromagnet thus avoiding settings and adjustments.
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