Page 62 - 1SBC104119C0202_MainCatalog_R contactors

LORR85 ... LORR550 and
LORE85 ... LORE550 couplers
Technical data

Main pole - Utilization characteristics according to IEC

Couplers types AC operated LORR85 LORR170 LORR260 LORR400 LORR550
LORE400 LORE550
DC operated LORE85 LORE170 LORE260
420 A 630 A
Standards IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1 300 mm² 400 mm²

Rated operational voltage Ue max. 1000 V 420 A 630 A
370 A 570 A
Rated frequency (without derating) 25…60 Hz (for > 60…400 Hz please contact us) 330 A 500 A
300 mm² 400 mm²
Number of poles 1…4
500 A 700 A
Conventional free-air thermal current Ith - -
6000 A 8400 A
acc. to IEC 60947-4-1, open couplers, θ ≤ 40 °C 90 A 185 A 300 A 2960 A 4400 A
With conductor cross-sectional area 35 mm² 95 mm² 185 mm² 1480 A 2200 A
1100 A 1680 A
AC-1 / DC-1 Utilization category 600 A 840 A
0.40 mΩ 0.35 mΩ
For air temperature close to couplers

Ie / Rated operational current AC-1 / DC-1 θ ≤ 40 °C 90 A 185 A 300 A
Ue max. ≤ 690 V, 50/60 Hz θ ≤ 55 °C
θ ≤ 70 °C 82 A 170 A 270 A
5 With conductor cross-sectional area
Rated making capacity AC-1 / DC-1 1000 V max. 72 A 150 A 240 A

35 mm² 95 mm² 185 mm²

1.5 x Ie / AC-1 or DC-1 acc. to IEC 60947-4-1

Rated breaking capacity AC-1 / DC-1 24 V max. 1.5 x Ie / AC-1 or DC-1 acc. to IEC 60947-4-1

Short-circuit protection device for couplers

without thermal overload relay - Motor protection excluded

Ue ≤ 1000 V AC - gG type fuse 100 A 200 A 315 A

Ue ≤ 1000 V AC - L type fuse ---

Rated short-time withstand current Icw 1 s 1150 A 2250 A 3800 A

at 40 °C ambient temperature, 10 s 680 A 1200 A 1920 A

in free air from a cold state 30 s 310 A 680 A 1040 A

1 min 230 A 450 A 730 A

15 min 120 A 250 A 390 A

Impedance per pole 1.80 mΩ 1.20 mΩ 0.60 mΩ

Maximum electrical switching frequency AC-1 300 cycles/h

Mechanical durability

Number of operating cycles 5 millions cycles

Maximum switching frequency 1200 cycles/h

Note: - Technical data applicable for N.O. main poles. For N.C. main poles, please consult us.
- These characteristics are suitable for LOR..AMA and LOR..AME contactor versions (except for mechanical durability = 0.2 millions of operating cycles).

1SBC104039S0201

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