PumpLookupPump and motor part numbers
Mains Units

three-phase motor, IE1

RN 90Lb4

uprated

  • 1.85Power, kW
  • 1410Speed, rpm
  • 4Poles
  • 90LIEC frame
  • 4.3Amps at 400 V
Nicolini three-phase motor

Specification

Rated output
1.85 kW
Speed
1410 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
4.3 A
Efficiency
79.7%, IE1
Power factor
0.78
Starting current
5.5 × rated
Torque
12.5 Nm
Frame
IEC 90L
Shaft end
24 × 50 mm
Large flange (B5)
FF165
Small flange (B14)
FT115
Weight (B3)
16 kg

Uprated: Nicolini mark this power as one IEC does not list for the frame. It gives more power in a smaller frame, at lower efficiency.

Pumps it drives

Pumps rated at this motor's speed that need no more than 1.85 kW, where this is the smallest motor that does the job.

Hawk FOG NEMA 1

FOG2514NER

Interpump 51 series 1

W1208

Interpump 53 SS1 series 1

SS1B1506

Cat Pumps 3 Frame 3

230231237

Annovi Reverberi JR 2

JR 8.12 N TAJR 8.12 N TSS TA

Annovi Reverberi RCA-M 1

RCA-M 2G15 E + F8

Annovi Reverberi RKA-SS 3

RKA-SS 2.3 G 15 E code 20968RKA-SS 2.3 G 15 E code 20972RKA-SS 2.3 G 15 N code 20964

Annovi Reverberi XMA-SS 1

XMA-SS 2.5 G 15 E + F33

Bertolini WBL 2

WBL 911WBL 1109

Bertolini WBS 1

WBS 1920

Flanges and couplings

For an IEC 90 frame with a 24 mm shaft, bolting to the small flange (B14). Pick the one made for your pump series.

Part numberDescriptionFor pump series
1.099-528.0Hawk motor flange, IEC 90 B14NHDP Car Wash, NHDP 120, NHDP 150, NHDP 200, NHDP Chemical, NHDP Stainless Steel Chemical
1.099-534.0Hawk motor flange, IEC 90 B14CHS 120
ZF070Interpump motor flange, IEC 90 B14E1, SS1, 44, 58VHT, E2, C2W, 50 and 51
1.099-542.0Hawk flexible coupling, IEC 90, 24 mm motor to 24 mm pumpNHDP Car Wash, NHDP 120, NHDP 150, NHDP 200, NHDP Chemical, NHDP Stainless Steel Chemical, CHD 200, CHS 120
1.099-544.0Hawk flexible coupling, IEC 90, 24 mm motor to 24 mm pumpNMT, NMT Car Wash, NMT High Temperature, NMT Nickel-Plated, NMT - Car Wash Heavy Duty, NMT Chemical, NMT Stainless Steel Chemical
ZG070Interpump flexible coupling, IEC 90, 24 mm motor to 24 mm pumpE1, SS1, 44, 58VHT, E2, C2W and 50
ZGWW75Interpump flexible coupling, IEC 90, 24 mm motor to 24 mm pump51

Starter

Iskra parts for a direct-on-line starter at 400 V. Choose the contactor coil to match your control voltage.

Contactor

KNL9 contactors, rated 4 kW AC-3 at 400 V

CoilTypeIskra codeSuppliers
24 V AC B7KNL9-01 1NC030050615000 
24 V AC B7KNL9-10 1NO030050616000 
42 V AC D7KNL9-01 1NC030050633000 
42 V AC D7KNL9-10 1NO030050634000 
48 V AC E7KNL9-01 1NC030050635000 
48 V AC E7KNL9-10 1NO030050636000 
110-125 V AC F7KNL9-01 1NC030050637000 
110-125 V AC F7KNL9-10 1NO030050638000 
208 V ACKNL9-01 1NC030050819000 
220-240 V AC M7KNL9-01 1NC030050475000 
220-240 V AC M7KNL9-10 1NO030050474000 
380-415 V AC Q7KNL9-01 1NC030050639000 
380-415 V AC Q7KNL9-10 1NO030050640000 
440-460 V AC R7KNL9-10 1NO030050919000 
480-520 V AC S7KNL9-01 1NC030050641000 
480-520 V AC S7KNL9-10 1NO030050642000 

Overload protection

Set to the motor's full-load current, 4.3 A.

Other motors in this range

RN 63a4RN 63b4RN 63c4RN 71a4RN 71b4RN 71c4RN 80a4RN 80b4RN 80c4RN 90La4RN 90Lc4RN 90Sa4RN 100a4RN 100b4RN 100c4RN 112a4RN 112b4RN 112c4RN 132Ma4RN 132Mb4RN 132Mc4RN 132Sa4RN 160La4RN 160Lb4RN 160Lc4RN 160Ma4RN 180La4RN 180Lb4RN 180Ma4RN 200a4RN 200b4