Page 271 - contactors_motor_protection_for_rolling_stock_application

GAF75..RT 1-pole contactors

Technical data

Main pole - Utilization characteristics according to IEC
Contactor types GAF75..RT
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1
IEC 60077-1, IEC 60077-2, EN 50155 (applicable parts)
Fire and smoke EN 45545-2 (HL2, HL3 hazard levels)
Rated operational voltage Ue max. 1000 V DC
Conventional free-air thermal current Ith
acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C 125 A 95 A
With conductor cross-sectional area 2 x 25 mm² 1 x 25 mm² 3
DC-1 Utilization category, L/R ≤ 1 ms
For air temperature close to contactor with conductor cross-sectional area
Ie / Rated operational current DC-1 2 x 25 mm² 1 x 25 mm²
θ ≤ 40 °C ≤ 72 V 120 A 95 A
110 V 120 A 95 A
220 V 120 A 95 A
440 V 100 A 95 A
600 V 75 A 75 A
1000 V 35 A 35 A
θ ≤ 55 °C ≤ 72 V 100 A 80 A
110 V 100 A 80 A
220 V 100 A 80 A
440 V 100 A 80 A
600 V 75 A 75 A
1000 V 35 A 35 A
θ ≤ 70 °C ≤ 72 V 85 A 65 A
110 V 85 A 65 A
220 V 85 A 65 A
440 V 85 A 65 A
600 V 75 A 65 A
1000 V 35 A 35 A
DC-3 Utilization category, L/R ≤ 2 ms
Ie / Rated operational current DC-3 with conductor cross-sectional area
θ ≤ 40 °C (1) 2 x 25 mm² 1 x 25 mm²
≤ 72 V 120 A 95 A
110 V 120 A 95 A
220 V 100 A 95 A
440 V 85 A 85 A
Utilization category, L/R ≤ 7.5 ms
Ie / Max. rated operational power DC-5 with conductor cross-sectional area
θ ≤ 40 °C (1) 2 x 25 mm² 1 x 25 mm²
≤ 72 V 85 A 85 A
110 V 85 A 85 A
220 V 85 A 85 A
440 V 35 A 35 A
Short-circuit protection device for contactors
Without thermal overload relay - Motor protection excluded
Ue ≤ 500 V AC - gG type fuse 160 A
Rated short-time withstand current Icw 1 s 1000 A
At 40 °C ambient temperature, 10 s 650 A
in free air from a cold state 30 s 370 A
1 min 250 A
15 min 135 A
Power dissipation 1-pole contactor with conductor cross-sectional area
2 x 25 mm² 1 x 25 mm²
Ie / DC-1 20 W 12 W
Ie / DC-3 20 W 12 W
Ie / DC-5 9.5 W 9.5 W
Max. electrical switching frequency DC-1, DC-3, DC-5 300 cycles/h
(1) Ampere values are valid for a -25…+70 °C air temperature close to contactors, as long as the DC-1 Ampere values for the corresponding ambient temperature are not exceeded.

1SBC100195S0201

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