three-phase motor, IE1
RN 200b4
- 37Power, kW
- 1475Speed, rpm
- 4Poles
- 200IEC frame
- 71Amps at 400 V
Specification
- Rated output
- 37 kW
- Speed
- 1475 rpm (4-pole)
- Supply
- 230/400 V 50 Hz, three-phase. Also wound for 60 Hz and other voltages to order; the figures here are at 50 Hz.
- Current at 400 V
- 71 A
- Efficiency
- 89.7%, IE1
- Power factor
- 0.84
- Starting current
- 7.1 × rated
- Torque
- 236 Nm
- Frame
- IEC 200
- Shaft end
- 55 × 110 mm
- Large flange (B5)
- FF350
- Small flange (B14)
- None for this frame
- Weight (B3)
- 205 kg
Pumps it drives
Pumps rated at this motor's speed that need no more than 37 kW, where this is the smallest motor that does the job.
Hawk HFR 2
Hawk HHP 500 - 1450 rpm 2
Udor NH 500 1
Udor NK 12
NK-C 47/350 RNK-C 47/350 R MINK-C 55/300 RNK-C 55/300 R MINK-C 70/250 RNK-C 70/250 R MINK-C 130/130 RNK-C 130/130 R MINK-D 15.0/44 RNK-D 15.0/44 R MINK-D 27.0/25 RNK-D 27.0/25 R MI
Udor NK 500 1
Udor PENTA 1
Udor PENTA 600 2
PENTA-C 30/600 RPENTA-D 7.5/88 R
Mazzoni LM 2
Mazzoni LMX 2
Annovi Reverberi RTX 4
RTX 30.600NRTX 60.300 C DX+F56RTX 60.300 NRTX 60.300 N+F54
Annovi Reverberi RTX-I 2
Bertolini CA 1
Bertolini CKL 2
Bertolini RX 1
Flanges and couplings
For an IEC 200 frame with a 55 mm shaft, bolting to the large flange (B5). Pick the one made for your pump series.
| Part number | Description | For pump series |
|---|---|---|
| NK03 | Udor motor flange NK03, IEC 200 B3/B5, up to 37 kW | NK, NKS, NH |
| VX02 | Udor motor flange VX02, IEC 200 B3/B5, up to 37 kW | PENTA, VX, VXS, VH, VY |
| 9.853-336.0 | Hawk flexible coupling, IEC 200, 55 mm motor to 30 mm pump | MXT, MXT High Temperature, MPX 350, MPX 500, MXT Chemical, MPX Heavy Duty, MXT Stainless Steel Chemical, MXT High Flow |
Starter
Iskra parts for a direct-on-line starter at 400 V. Choose the contactor coil to match your control voltage.
Contactor
KNL75 contactors, rated 37 kW AC-3 at 400 V
| Coil | Type | Iskra code | Suppliers |
|---|---|---|---|
| 24 V AC B7 | KNL75-11 1NO+1NC | 030051104000 | |
| 110-125 V AC F7 | KNL75-11 1NO+1NC | 030051200000 | |
| 220-240 V AC M7 | KNL75-11 1NO+1NC | 030051103000 | |
| 380-415 V AC Q7 | KNL75-11 1NO+1NC | 030051102000 | |
| 480-500 V AC | KNL75-11 1NO+1NC | 030051220000 |
Overload protection
Set to the motor's full-load current, 71 A.
Other motors in this range
RN 63a4RN 63b4RN 63c4RN 71a4RN 71b4RN 71c4RN 80a4RN 80b4RN 80c4RN 90La4RN 90Lb4RN 90Lc4RN 90Sa4RN 100a4RN 100b4RN 100c4RN 112a4RN 112b4RN 112c4RN 132Ma4RN 132Mb4RN 132Mc4RN 132Sa4RN 160La4RN 160Lb4RN 160Lc4RN 160Ma4RN 180La4RN 180Lb4RN 180Ma4RN 200a4