Page 421 - Motor_protection_and_control_Manual_motor_starters_ contactors

AF116 ... AF370 4-pole contactors

Technical data

Main pole - Utilization characteristics according to IEC
Contactor types AC / DC operated AF116 AF140 AF190 AF205 AF265 AF305 AF370 EK550 EK1000
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1
Rated operational voltage Ue max. 690 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 275 A 350 A 400 A 500 A 525 A 800 A 1000 A
With conductor cross-sectional area 70 mm² 95 mm² 150 mm² 240 mm² 240 mm² 300 mm² 2x 2x 2x
(3) (4) 185 mm² (4) 240 mm² 300 mm²
AC-1 Utilization category
For air temperature close to contactor
Ie / Rated operational current AC-1 θ ≤ 40 °C 160 A 200 A 275 A 350 A 400 A 500 A 525 A 800 A 1000 A
Ue max. ≤ 690 V, 50/60 Hz θ ≤ 60 °C 145 A 175 A 250 A 300 A 350 A 400 A 425 A 650 A 800 A
θ ≤ 70 °C 130 A 160 A 200 A 240 A 290 A 325 A 350 A 575 A 720 A
Ue max. ≤ 1000 V, 50/60 Hz θ ≤ 40 °C - - 250 A 275 A 350 A 375 A 400 A 800 A 1000 A
θ ≤ 60 °C (2) - - 225 A 250 A 300 A 325 A 350 A 650 A 800 A
θ ≤ 70 °C - - 185 A 200 A 240 A 260 A 290 A 575 A 720 A
With conductor cross-sectional area 70 mm² 95 mm² 150 mm² 240 mm² 240 mm² 300 mm² 2x 185 mm² 2x 2x 5
(3) (4) (4) 240 mm² 300 mm²
AC-3 Utilization category
For air temperature close to contactor θ ≤ 60 °C (2)
Ie / Max. rated operational current AC-3 (1)
220-230-240 V 116 A 140 A 190 A 205 A 265 A 305 A 370 A 550 A -
380-400 V 116 A 140 A 190 A 205 A 265 A 305 A 370 A 550 A -
415 V 116 A 140 A 190 A 205 A 265 A 305 A 370 A 550 A -
M 3-phase motors 440 V 116 A 140 A 190 A 205 A 265 A 305 A 370 A 550 A -
3 500 V - - - - - - - 550 A -
690 V - - - - - - - 550 A -
1000 V - - - - - - - 175 A -
Rated operational power AC-3 (1)
220-230-240 V 30 kW 37 kW 55 kW 55 kW 75 kW 90 kW 110 kW 160 kW -
380-400 V 55 kW 75 kW 90 kW 110 kW 132 kW 160 kW 200 kW 280 kW -
415 V 55 kW 75 kW 90 kW 110 kW 132 kW 160 kW 200 kW 315 kW -
1500 r.p.m. 50 Hz
M 1800 r.p.m. 60 Hz 440 V 75 kW 90 kW 110 kW 132 kW 160 kW 160 kW 200 kW 315 kW -
3 3-phase motors 500 V - - - - - - - 400 kW -
690 V - - - - - - - 500 kW -
1000 V - - - - - - - 250 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
Ue ≤ 500 V AC - gG type fuse 200 A 250 A 355 A 400 A 630 A 630 A 630 A 800 A 1000 A
Rated short-time withstand current Icw 1 s 1300 A 1460 A 1900 A 2050 A 2650 A 3050 A 3700 A 5500 A 6800 A
At 40 °C ambient temperature, 10 s 928 A 1168 A 1520 A 1640 A 2120 A 2440 A 2960 A 5300 A 6400 A
in free air from a cold state 30 s 536 A 674 A 878 A 947 A 1224 A 1409 A 1709 A 3700 A 4400 A
1 min 379 A 477 A 621 A 670 A 865 A 996 A 1208 A 3000 A 3400 A
15 min 160 A 200 A 275 A 350 A 400 A 500 A 525 A 1000 A 1200 A
Maximum breaking capacity at 440 V 2000 A 3000 A 3300 A 3500 A 3800 A 4600 A 5000 A 5400 A -
cos φ = 0.45 at 690 V - - - - - - - 5400 A -
Power dissipation per pole Ie / AC-1 12 W 18 W 15 W 25 W 32 W 50 W 72 W 60 W 80 W
Ie / AC-3 - - - - - - - 25 W -
Max. electrical switching frequency AC-1 300 cycles/h
AC-3 300 cycles/h -
AC-2, AC4 - 120 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".
(2) θ ≤ 55 °C for EK550, EK1000
(3) For currents above 275 A use terminal enlargements or terminal extensions.
(4) For currents above 450 A use terminal enlargements or terminal extensions.

1SFC101209C0201 - Rev. B

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