Page 126 - Motor protection and control Manual motor starters, contactors and overload relays

3/52 ABB MOTOR PROTECTION AND CONTROL

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AF116 ... AF370 3-pole contactors
Technical data

Main pole - Utilization characteristics according to IEC
Contactor types AC / DC operated AF116 AF140 AF146 AF190 AF205 AF265 AF305 AF370
03
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1
Rated operational voltage Ue max. 690 V 690 V 1000 V 1000 V 1000 V 1000 V 1000 V 1000 V
Rated frequency (without derating) 50 / 60 Hz
Conventional free-air thermal current Ith
acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C 160 A 200 A 225 A 275 A 350 A 400 A 500 A 600 A
With conductor cross-sectional area 70 mm² 95 mm² 95 mm² 150 mm² 240 mm² (3) 240 mm² 300 mm² (4) 2 x 185 mm² (4)
AC-1 Utilization category
For air temperature close to contactor
Ie / Rated operational current AC-1 θ ≤ 40 °C 160 A 200 A 225 A 275 A 350 A 400 A 500 A 600 A
Ue max. ≤ 690 V, 50/60 Hz θ ≤ 60 °C 145 A 175 A 200 A 250 A 300 A 350 A 400 A 500 A
θ ≤ 70 °C 130 A 160 A 175 A 200 A 240 A 290 A 325 A 400 A
Ie / Rated operational current AC-1 θ ≤ 40 °C – – 225 A 250 A 275 A 350 A 375 A 400 A
Ue max. ≤ 1000 V, 50/60 Hz θ ≤ 60 °C – – 200 A 225 A 250 A 300 A 325 A 350 A
θ ≤ 70 °C – – 175 A 185 A 200 A 240 A 260 A 290 A
With conductor cross-sectional area 70 mm² 95 mm² 95 mm² 150 mm² 240 mm² (3) 240 mm² 300 mm² (4) 2 x 185 mm² (4)
AC-3 Utilization category
For air temperature close to contactor θ ≤ 60 °C
Ie / Max. rated operational current AC-3 (1)
220-230-240 V 116 A 140 A 146 A 190 A 205 A 265 A 305 A 370 A
380-400 V 116 A 140 A 146 A 190 A 205 A 265 A 305 A 370 A
415 V 116 A 140 A 146 A 190 A 205 A 265 A 305 A 370 A
M 3-phase motors 440 V 116 A 140 A 146 A 190 A 205 A 265 A 305 A 370 A
3 500 V 110 A 130 A 130 A 156 A 186 A 250 A 290 A 350 A
690 V 65 A 80 A 93 A 135 A 165 A 250 A 290 A 315 A
1000 V – – 60 A 85 A 100 A 113 A 131 A 141 A
Rated operational power AC-3 (1)
220-230-240 V 30 kW 37 kW 45 kW 55 kW 55 kW 75 kW 90 kW 110 kW
380-400 V 55 kW 75 kW 75 kW 90 kW 110 kW 132 kW 160 kW 200 kW
1500 r.p.m. 50 Hz 415 V 55 kW 75 kW 75 kW 90 kW 110 kW 132 kW 160 kW 200 kW
M 1800 r.p.m. 60 Hz 440 V 75 kW 90 kW 90 kW 110 kW 132 kW 160 kW 160 kW 200 kW
3 3-phase motors 500 V 75 kW 90 kW 90 kW 110 kW 132 kW 160 kW 200 kW 250 kW
690 V 55 kW 75 kW 90 kW 132 kW 160 kW 200 kW 250 kW 315 kW
1000 V – – 75 kW 110 kW 132 kW 160 kW 185 kW 200 kW
Rated making capacity AC-3 10 x Ie AC-3 acc. to IEC 60947-4-1
Rated breaking capacity AC-3 8 x Ie AC-3 acc. to IEC 60947-4-1
Short-circuit protection device for contactors
without thermal overload relay - Motor protection excluded (2)
Ue ≤ 500 V AC - gG type fuse 250 A 315 A 315 A 355 A 400 A 500 A 500 A 630 A
Rated short-time withstand current Icw 1 s 1300 A 1460 A 1460 A 1900 A 2050 A 2650 A 3050 A 3700 A
at 40 °C ambient temperature, 10 s 928 A 1168 A 1168 A 1520 A 1640 A 2120 A 2440 A 2960 A
in free air from a cold state 30 s 536 A 674 A 674 A 878 A 947 A 1224 A 1409 A 1709 A
1 min 379 A 477 A 477 A 621 A 670 A 865 A 996 A 1208 A
15 min 160 A 200 A 225 A 275 A 350 A 400 A 500 A 600 A
Maximum breaking capacity
cos φ = 0.45 at 440 V 2000 A 3000 A 3000 A 3300 A 3500 A 3800 A 4600 A 5000 A
(cos φ = 0.35 for Ie > 100 A) at 690 V 1000 A 1500 A 1500 A 2200 A 2500 A 3300 A 3800 A 4000 A
Power dissipation per pole Ie / AC-1 12 W 18 W 23 W 15 W 25 W 32 W 50 W 72 W
Ie / AC-3 6 W 9 W 10 W 7 W 8 W 14 W 19 W 27 W
Maximum electrical switching frequency AC-1 300 cycles/h
AC-3 300 cycles/h
AC-2, AC-4 150 cycles/h
(1) For the corresponding kW/A or hp/A values of 1500 r.p.m, 50 Hz or 1800 r.p.m, 60 Hz, 3-phase motors, see "Motor rated operational powers and currents".
For AC-3e utilization category, please consult your ABB local sales organization.
(2) For the protection of motor starters against short circuits, see "Coordination with short-circuit protection devices".
(3) For currents above 275A use terminal enlargements or terminal extensions.
(4) For currents above 450A use terminal enlargements or terminal extensions.

1SFC101108C0201 - Rev. A