Page 105 - Contactors_Catalogue

ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS 3/53

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AF09(Z)B..K ... AF38(Z)B..K 3-pole contactors - with Push-in Spring terminals
Electrical durability

Electrical Durability for AC-2 or AC-4 Utilization Category
Switching cage motors: starting reverse operation and step-by-step operation. The breaking current Ic is
equal to 2.5 x I e for AC-2 and 6 x I e for AC-4, keeping in mind that I e is the motor rated operational current Ie
(Ie = motor full load current).
Ambient temperature ≤ 60 °C. Maximum electrical switching frequency: see "Technical Data".

03
AC-2 or AC-4 - Ue ≤ 440 V

Millions of AF09 AF12 AF16 AF26 AF30, AF38
operating cycles
10
5
3
2 9
7
5
3
1 1
0.5
0.3
0.2 9
7
5
3
0.1 1
0.05
0.03
0.02 9
7
5
3 13 57 9 13 57 9
0.01 1
1 3 5 7 9 1 3 5 7 9 1 3 5 7 9
0.005
2 3 5 10 20 30 50 100 200 300 500 1000 2000 3000 5000
Breaking current Ic (A)

AC-2 or AC-4 - 440 V < Ue ≤ 690 V

Millions of AF09 AF12 AF16 AF26 AF30 AF38
operating cycles
10
5
3
2 9
7
5
3
1 1
0.5
0.3
0.2 9
7
5
3
0.1 1
0.05
0.03
0.02 9
7
5
3
0.01 1 1 3 5 7 9
1 3 5 7 9 1 3 5 7 9 1 3 5 7 9
0.005
2 3 5 10 20 30 50 100 200 300 500 1000 2000 3000 5000 1SBC100614S0201
Breaking current Ic (A)