Page 322 - Contactors_Catalogue

5/6 ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS

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TBC7 3- and 4-pole mini contactors

Technical data

Main pole – Utilization characteristics according to IEC
Contactor types DC operated TBC7
Standards IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 61373, EN 45545-2
Rated operational voltage Ue max 690 V AC, 220 V DC
Rated frequency (without derating) DC or 50 / 60 Hz
Conventional free-air thermal current lth
acc. to IEC/EN 60947-4-1, open contactors, θ ≤ 40 °C,
with conductor cross-sectional area 20 A
AC-1 Utilization category for air temperature
close to contactor θ ≤ 40 °C
Ie / Rated operational current AC-1 240 V 20 A
Ue max ≤ 690 V, 50/60 Hz 400 V 20 A
440 V 20 A
500 V 12 A
690 V 6 A
AC-1 Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current AC-1 240 V 16 A
Ue max ≤ 690 V, 50/60 Hz 400 V 16 A
440 V 16 A
500 V 12 A
690 V 6 A
AC-3, AC-3e Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current AC-3, AC-3e 240 V 12 A
3-phase motors 400 V 12 A
440 V 11 A
05
M 500 V 9 A
3 690 V 3.5 A
Rated operational power AC-3, AC-3e 240 V 3 kW
1500 r.p.m. 50 Hz 400 V 5.5 kW
M 1800 r.p.m. 60 Hz 440 V 5.5 kW
3 3-phase motors 500 V 5.5 kW
690 V 3 kW
Rated making capacity 10 x Ie AC-3 acc. to IEC/EN 60947-4-1; 13 x Ie AC-3e acc. to IEC/EN 60947-4-1
Rated breaking capacity 8 x Ie AC-3 acc. to IEC/EN 60947-4-1; 8.5 x Ie AC-3e acc. to IEC/EN 60947-4-1
Short-circuit protection device for contactors
without thermal O/L relay - motor protection excluded
fuse type gG Type 1: 25 A / Type 2: 25 A
Rated short-time withstand current Icw
at 40 °C ambient temperature, in free air
from a cold state 10 s 96 A
Maximum breaking capacity cos ϕ = 0.45 at 400 V 96 A
Maximum electrical switching frequency AC-1 300 cycles/h
AC-3 600 cycles/h
DC-1, DC-3, DC-5 600 cycles/h

DC-1 / DC-3 / DC-5 Utilization category for air temperature close to the contactor θ ≤ 55 °C
Ie / Rated operational current DC-1 DC-3 DC-5
L/R ≤ 1 ms L/R ≤ 2 ms L/R ≤ 7.5 ms
Per pole 24 V 16 A 16 A 16 A
48 V 16 A 8 A 2 A
60 V 16 A 8 A 2 A
110 V 5.0 A 1.5 A 0.4 A
220 V 0.8 A 0.25 A 0.2 A
Two poles in serie 24 V 16 A 16 A 16 A
48 V 16 A 16 A 16 A
60 V 16 A 16 A 16 A
110 V 16 A 7 A 2 A
220 V 5 A 1.5 A 1 A
Three poles in serie 24 V 16 A 16 A 16 A
48 V 16 A 16 A 16 A
60 V 16 A 16 A 16 A
110 V 16 A 15 A 8 A
220 V 14 A 4.0 A 2 A
2CDC102086C0201 - Rev. C