Page 36 - 1SBC104119C0202_MainCatalog_R contactors

IORR2500..MT … IORR5100..MT and
IORE2500..MT … IORE5100..MT contactors
Technical data

Main pole - Utilization characteristics according to IEC

Contactor types AC operated IORR2500..MT IORR3200..MT IORR3800..MT IORR4500..MT IORR5100..MT

Standards DC operated IORE2500..MT IORE3200..MT IORE3800..MT IORE4500..MT IORE5100..MT
IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1

Rated operational voltage Ue max. 690 V

Rated frequency (without derating) 25…60 Hz (for > 60...400 Hz please consult us)

Number of poles 2...4

Conventional free-air thermal current Ith 2200 A 3000 A 3500 A 4000 A 4500 A
2000 mm² 3000 mm² 3000 mm² 4000 mm² 4000 mm²
3 acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C
With conductor cross-sectional area

AC-1 Utilization category

For air temperature close to contactor

Ie / Rated operational current AC-1 θ ≤ 40 °C 2200 A 3000 A 3500 A 4000 A 4500 A
Ue max. ≤ 690 V, 50/60 Hz θ ≤ 55 °C 1930 A 2630 A 3070 A 3510 A 3950 A
θ ≤ 70 °C 1620 A 2200 A 2570 A 2940 A 3300 A
With conductor cross-sectional area 2000 mm² 3000 mm² 3000 mm² 4000 mm² 4000 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

3 690 V Please consult us

Short-circuit protection device for contactors -
20000 A
without thermal overload relay - Motor protection excluded 15000 A
8000 A
Circuit breaker 6000 A - - - -
3000 A 21000 A 24000 A 28000 A 30000 A
Rated short-time withstand current Icw 1s 24000 A 18000 A 19000 A 21000 A 24000 A
24000 A 10000 A 11000 A 12000 A 13000 A
at 40 °C ambient temperature, 10 s 0.12 mΩ 7000 A 7500 A 8000 A 9000 A
60 cycles/h 4000 A 4500 A 5000 A 5500 A
in free air from a cold state 30 s 26000 A 29000 A 32000 A 32000 A
2 millions cycles 26000 A 29000 A 32000 A 32000 A
1 min 600 cycles/h 0.09 mΩ 0.085 mΩ 0.06 mΩ 0.055 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..MT-AME contactor versions (except for mechanical durability = 0.2 millions of operating cycles).

1SBC104029S0201

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