Water‑cooled motors

1RN4, 1RN6

Air‑cooled motors

1RQ4, 1RQ6

Open‑circuit ventilated motors

1RA4, 1RP6, 1RA6

Shaft heights

450, 500, 560, 630, 710 mm

Power range

1000 ... 11700 kW

No. of poles

2 – 12-poles

Rated voltage

3.4 ... 13.8 kV

Drive converter

SINAMICS GM150, SINAMICS SM150, SINAMICS Perfect Harmony GH180

Degree of protection

IP55 (1RN4, 1RN6, 1RQ4, 1RQ6)

IP23, WP II (1RA4, 1RP6, 1RA6)

Cooling method

IC 01 (1RA4, 1RP6, 1RA6)
IC 611, IC 616 (1RQ4, 1RQ6)
IC 81W, IC 86W (1RN4, 1RN6)

Type of construction

IM B3 (IM 1001), IM V1 (IM 3011)

Enclosure

Up to shaft height 560 – gray cast iron enclosure

Shaft heights 630 and 710 – steel enclosure

Bearings

Roller bearings, sleeve bearings

Regulation/Standards

IEC, EN
NEMA, API
Specifications, e.g. shipbuilding, oil and gas sector

Explosion protection

• Non-sparking, Zone 2, II 3G Ex nA II C T3 Gc
• Pressurized, Zone 1, II 2G Ex px II C T3 Gb