Page 33 - 1SBC104119C0202_MainCatalog_R contactors

IORR2500 … IORR5100 and
IORE2500 … IORE5100 contactors
Technical data

Main pole - Utilization characteristics according to IEC

Contactor types AC operated IORR2500 IORR3200 IORR3800 IORR4500 IORR5100
IORE4500 IORE5100
DC operated IORE2500 IORE3200 IORE3800
4500 A 5000 A
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1 4000 mm² 4000 mm²

Rated operational voltage Ue max. 500 V 4500 A 5000 A
3950 A 4390 A
Rated frequency (without derating) 25…60 Hz (for > 60...400 Hz please consult us) 3300 A 3670 A
4000 mm² 4000 mm²
Number of poles 2...4
-
Conventional free-air thermal current Ith 30000 A 3
24000 A
acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C 2500 A 3200 A 3800 A 13000 A
With conductor cross-sectional area 2000 mm² 3000 mm² 3000 mm² 9000 A
5500 A
AC-1 Utilization category 32000 A
32000 A
For air temperature close to contactor 0.027 mΩ

Ie / Rated operational current AC-1 θ ≤ 40 °C 2400 A 3200 A 3800 A
Ue max. ≤ 500 V, 50/60 Hz θ ≤ 55 °C 2100 A 2810 A 3330 A
θ ≤ 70 °C 1760 A 2350 A 2790 A
With conductor cross-sectional area 2000 mm² 3000 mm² 3000 mm²

Rated making capacity AC-1 1.5 x Ie AC-1 acc. to IEC 60947-4-1

Rated breaking capacity AC-1 1.5 x Ie AC-1 acc. to IEC 60947-4-1

AC-3 Utilization category

For air temperature close to contactor θ ≤ 55 °C
Ie / Max. rated operational current AC-3

M 380-415-440 V Please consult us
500 V Please consult us
3
-
Short-circuit protection device for contactors 20000 A
15000 A
without thermal overload relay - Motor protection excluded 8000 A
6000 A
Circuit breaker 3000 A - - -
24000 A 21000 A 24000 A 28000 A
Rated short-time withstand current Icw 1s 24000 A 18000 A 19000 A 21000 A
0.05 mΩ 10000 A 11000 A 12000 A
at 40 °C ambient temperature, 10 s 60 cycles/h 7000 A 7500 A 8000 A
4000 A 4500 A 5000 A
in free air from a cold state 30 s 2 millions cycles 26000 A 29000 A 32000 A
600 cycles/h 26000 A 29000 A 32000 A
1 min 0.045 mΩ 0.040 mΩ 0.030 mΩ
40 cycles/h
15 min
1 million cycles
Maximum making capacity 300 cycles/h

Dynamical withstand of pole

Impedance per pole

Maximum electrical switching frequency AC-1

Mechanical durability

Number of operating cycles

Max. switching frequency

Note: These characteristics are suitable for IOR..AME contactor versions (except for mechanical durability = 0.2 millions of operating cycles).

1SBC104026S0201

ABB R contactors | 3/13