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ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS 3/27

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AF50 … AF95B 3-pole contactors
Technical data

General technical data
Contactor types AF50 AF63 AF75 AF95B
Rated insulation voltage Ui
acc. to IEC 60947-4-1 1000 V
acc. to UL 600 V
Rated impulse withstand voltage Uimp. 8 kV
Electromagnetic compatibility Devices complying with IEC 60947-1/EN 60947-1 - Environment A
Ambient air temperature close to contactor 03
Operation Fitted with thermal overload relay -25...+55 °C
Without thermal overload relay -40…+70 °C
Storage -60...+80 °C -40...+70 °C
Climatic withstand acc. to IEC 60068-2-30 and 60068-2-11 acc. to IEC 60068-2-30
UTE C 63-100 specification II
Maximum operating altitude (without derating) 3000 m
Mechanical durability
Number of operating cycles 10 millions operating cycles
Max. switching frequency 300 cycles/h
Shock and vibration withstand Category 1, class B IEC 61373: 1999 (tables 2
acc. to IEC 61373 and 3, category 1)

Magnet system characteristics
Contactor types AF50 AF63 AF75 AF95B
Coil operating limits AC or DC supply At θ ≤ 70 °C 0.85 x Uc min...1.1 x Uc max.
acc. to IEC 60947-4-1
DC control voltage
Rated control circuit voltage Uc 20…250 V DC
Coil consumption Average pull-in value 190 W 400 W
Average holding value 2.8 W 2 W
AC control voltage 50/60 Hz
Rated control circuit voltage Uc 48…250 V 50/60 Hz
Coil consumption Average pull-in value 210 VA 350 VA
Average holding value 7 VA / 2.8 W 7 VA / 3.5 W
Max. permitted control voltage Rated control circuit voltage / Max. permitted control voltage
during voltage fluctuation defined 48 ... 130 V AC 50/60 Hz / 150 V AC 50/60 Hz
acc. to IEC 60077 / EN 50155 100 ... 250 V AC 50/60 Hz / 275 V AC 50/60 Hz
Drop-out voltage 55 % of Uc min.
Operating time
Between coil energization and: N.O. contact closing 30…100 ms 30…80 ms
N.C. contact opening 27…95 ms 27…77 ms
Between coil de-energization and: N.O. contact opening 30…110 ms 55…125 ms
N.C. contact closing 35…115 ms 60…130 ms

Mounting characteristics and conditions for use
Contactor types AF50 AF63 AF75 AF95B
Mounting positions Pos. 2 +30° -30° Pos. 2 +30° -30°

Pos. 4 Pos. 4
Pos. 3 Pos. 3
Pos. 1 Pos. 1 ± 30° Pos. 5 Pos. 6 Pos. 5 Pos. 6
Pos. 1
Pos. 1 ± 30°
Pos. 1 ± 30°, pos. 5: please consult us.
Max. built-in and add-on N.O. or N.C. auxiliary contacts:
see accessory fitting details for 3-pole contactor AF50 ... AF95B
Mounting distances The contactors can be assembled side by side
Fixing –
On rail according to IEC 60715, EN 60715 35 x 15 mm or 75 x 25 mm
By screws (not supplied) 2 x M6 screws placed diagonally

1SBC100137S0201