18
6 - ELECTRIC CONNECTIONS
ADMISSIBLE STARTING TIMES (from ABB MOTORS catalogue)
Power Current at 400 V Size
Thermal overload
relay
Fuse suggested for direct
starting with Isp/IN <= 7
Laying A
kW A 4 poli Cu mm2 Al mm2 A A
0.18 0.7 63 B 1.5 0.6 -1 6/4
0.25 0.85 71 A 1.5 0.6 - 1 6/4
0.37 1.15 71 B 1.5 1 -1.6 6/4
0.55 1.55 80 A 1.5 1.6 - 2.5 10/6
0.75 2 80 B 1.5 1.6 - 2.5 10/6
1.1 2.9 90 S 1.5 2.5 - 4 16/10
1.5 3.7 90 L 1.5 2.5 - 4 16/10
2.2 5.2 100 LA 2.5 4 - 6 20/20
3 6.9 100 LB 2.5 6 - 9 25/20
4 9 112 M 2.5 6 - 9 35/25
5.5 12 132 S 2.5 9 - 13 35/35
7.5 16 132 M 6 13 - 18 50/50
11 23 160 M 6 18 - 23 63/63
15 30 160 L 10 16 28 - 42 80
18.5 37 180 M 10 16 28 - 42 80
22 44 180 L 10 16 40 - 52 100
30 59 200 L 16 25 52 - 65 125
37 71 225 S 25 35 60 - 75 160
45 86 225 M 35 50 72 - 100 200
55 104 250 M 50 70 72 - 100 200
75 144 280 S 70 120 102 - 170 250
90 172 280 M 95 150 102 - 170 315
Regarding the increase in temperature, the start-up time cannot exceed the value indicated in the table.
In the event of repeated starts at unchanged rated power, the motor must, before each start-up, have the same temperature as before
the first start-up; to ensure the values in the table, it is assumed that the motor is cold.
ADMISSIBLE STARTING TIMES (from ABB MOTORS catalogue)
Size Starting method 2 4 6 8
63 direct 25 40 - 40
71 direct 20 20 40 40
80 direct 15 20 40 40
90 direct 10 20 35 40
100 direct 10 15 30 40
112 direct 12 15 20 25
/ 36 45 60 75
132 direct 12 12 20 25
/ 36 36 60 75
160 -250 direct 15 15 20 20
/ 45 45 60 60
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