Page 333 - Motor_protection_and_control_Manual_motor_starters_ contactors

AF400 … AF2650 3-pole contactors

Technical data

Main pole - Utilization characteristics according to IEC
Contactor types AC / DC operated AF400 AF460 AF580 AF750 AF1250 AF1350 AF1650 AF2050 AF2650
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1
Rated operational voltage Ue max. 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 600 A 700 A 800 A 1050 A 1260 A 1350 A 1650 A 2050 A 2650 A
With conductor cross-sectional area (3) 2x185 mm² 2x240 mm² 2x240 mm² 800 mm² (4) 1000 mm² (4) 1000 mm² (5) 1500 mm² (5) 2000 mm² (5) 3000 mm² (5)
AC-1 Utilization category
For air temperature close to contactor
Ie / Rated operational current AC-1 θ ≤ 40 °C 600 A 700 A 800 A 1050 A 1260 A 1350 A 1650 A 2050 A 2650 A
Ue max. ≤ 690 V, 50/60 Hz θ ≤ 55 °C 500 A 600 A 700 A 875 A 1040 A 1150 A 1450 A 1750 A 2350 A
θ ≤ 70 °C 400 A 480 A 580 A 720 A 875 A 1000 A 1270 A 1500 A 2120 A
Ie / Rated operational current AC-1 θ ≤ 40 °C 600 A 700 A 800 A 1000 A 1260 A 1350 A 1650 A 2050 A 2650 A
Ue max. ≤ 1000 V, 50/60 Hz θ ≤ 55 °C 500 A 600 A 700 A 875 A 1040 A 1150 A 1450 A 1750 A 2350 A
θ ≤ 70 °C 400 A 480 A 580 A 720 A 875 A 1000 A 1270 A 1500 A 2120 A
With conductor cross-sectional area 2x185 mm² 2x240 mm² 2x240 mm² 800 mm² (4) 1000 mm² (4) 1000 mm² (5) 1500 mm² (5) 2000 mm² (5) 3000 mm² (5) 5
AC-3 Utilization category
For air temperature close to contactor θ ≤ 55 °C
Ie / Max. rated operational current AC-3 (1)
220-230-240 V 400 A 460 A 580 A 750 A – 860 A 1060 A 1060 A –
380-400 V 400 A 460 A 580 A 750 A – 860 A 1060 A 1060 A –
415 V 400 A 460 A 580 A 750 A – 860 A 1060 A 1060 A –
M 3-phase motors 440 V 400 A 460 A 580 A 750 A – 860 A 1060 A 1060 A –
3 500 V 400 A 460 A 580 A 750 A – 800 A 970 A 970 A –
690 V 350 A 400 A 500 A 650 A – 800 A 970 A 970 A –
1000 V 155 A 200 A 250 A 300 A – 375 A 400 A 425 A –
Rated operational power AC-3 (1)
220-230-240 V 110 kW 132 kW 160 kW 220 kW – 257 kW 315 kW – –
380-400 V 200 kW 250 kW 315 kW 400 kW – 475 kW 560 kW – –
415 V 220 kW 250 kW 355 kW 425 kW – 500 kW 630 kW 630 kW –
1500 r.p.m. 50 Hz
M 1800 r.p.m. 60 Hz 440 V 220 kW 250 kW 355 kW 450 kW – 560 kW 710 kW 710 kW –
3 3-phase motors 500 V 250 kW 315 kW 400 kW 520 kW – 560 kW 710 kW – –
690 V 315 kW 355 kW 500 kW 600 kW – 800 kW 1000 kW 1000 kW –
1000 V 220 kW 280 kW 355 kW 400 kW – 560 kW 600 kW 630 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 630 A 800 A 1000 A 1000 A Please consult us for coordination with circuit-breaker
Rated short-time withstand current Icw 1 s 4600 A 4600 A 7000 A 7000 A 8000 A 10000 A 12000 A 12000 A 12000 A
at 40 °C ambient temperature, 10 s 4400 A 4400 A 6400 A 6400 A 7200 A 8000 A 10000 A 10000 A 10000 A
in free air from a cold state 30 s 3100 A 3100 A 4500 A 4500 A 5200 A 6000 A 7500 A 7500 A 7500 A
1 min 2500 A 2500 A 3500 A 3500 A 4000 A 4500 A 5500 A 5500 A 5500 A
15 min 840 A 840 A 1300 A 1300 A 1500 A 1600 A 2200 A 2200 A 2800 A
Maximum breaking capacity
cos φ = 0.45 at 440 V 4000 A 5000 A 6000 A 7500 A 10000 A 12000 A 8400 A 8400 A
(cos φ = 0.35 for Ie > 100 A) at 690 V 3500 A 4500 A 5000 A 7000 A – – – –
Power dissipation per pole Ie / AC-1 30 W 42 W 32 W 50 W 80 W 80 W 80 W 125 W 200 W
Ie / AC-3 16 W 21 W 17 W 28 W – 50 W 50 W – –
Max. electrical switching AC-1 300 cycles/h 300 cycles/h 300 cycles/h 60 cycles/h 60 cycles/h 15 cycles/h
frequency AC-3 300 cycles/h 300 cycles/h – 60 cycles/h – –
AC-2, AC-4 60 cycles/h 60 cycles/h – 60 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) For the protection of motor starters against short circuits, see "Coordination with short-circuit protection devices".
(3) Conductors with preparation.
(4) Max. connection bar width 50 mm.
(5) Max. connection bar width 100 mm.

1SFC101110C0201 - Rev. D 1SFC101110C0201

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