single-phase motor, 230 V
RNM 90Lb4
- 1.85Power, kW
- 1390Speed, rpm
- 4Poles
- 90LIEC frame
- 13.2Amps at 230 V

Specification
- Rated output
- 1.85 kW
- Speed
- 1390 rpm (4-pole)
- Supply
- 230 V 50 Hz, single-phase. Also made for 240, 220, 120 and 110 V at 50 or 60 Hz to order.
- Current at 230 V
- 13.2 A
- Run capacitor
- 60 µF
- Efficiency
- 65%
- Power factor
- 0.99
- Starting current
- 2.5 × rated
- Torque
- 12.7 Nm
- Frame
- IEC 90L
- Shaft end
- 24 × 50 mm
- Large flange (B5)
- FF165
- Small flange (B14)
- FT115
- Weight (B3)
- 19 kg
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
Interpump 51 series 1
Interpump 53 SS1 series 1
Cat Pumps 3 Frame 3
Annovi Reverberi JR 2
Annovi Reverberi RCA-M 1
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
Bertolini WBL 2
Bertolini WBS 1
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 number | Description | For pump series |
|---|---|---|
| 1.099-528.0 | Hawk motor flange, IEC 90 B14 | NHDP Car Wash, NHDP 120, NHDP 150, NHDP 200, NHDP Chemical, NHDP Stainless Steel Chemical |
| 1.099-534.0 | Hawk motor flange, IEC 90 B14 | CHS 120 |
| ZF070 | Interpump motor flange, IEC 90 B14 | E1, SS1, 44, 58VHT, E2, C2W, 50 and 51 |
| 1.099-542.0 | Hawk flexible coupling, IEC 90, 24 mm motor to 24 mm pump | NHDP Car Wash, NHDP 120, NHDP 150, NHDP 200, NHDP Chemical, NHDP Stainless Steel Chemical, CHD 200, CHS 120 |
| 1.099-544.0 | Hawk flexible coupling, IEC 90, 24 mm motor to 24 mm pump | NMT, NMT Car Wash, NMT High Temperature, NMT Nickel-Plated, NMT - Car Wash Heavy Duty, NMT Chemical, NMT Stainless Steel Chemical |
| ZG070 | Interpump flexible coupling, IEC 90, 24 mm motor to 24 mm pump | E1, SS1, 44, 58VHT, E2, C2W and 50 |
| ZGWW75 | Interpump flexible coupling, IEC 90, 24 mm motor to 24 mm pump | 51 |
Starter
The Iskra parts here are for three-phase starters at 400 V. A single-phase motor needs a single-phase starter, with protection set to 13.2 A.
Other motors in this range
RNM 63c4RNM 71a4RNM 71b4RNM 71c4RNM 80a4RNM 80b4RNM 80c4RNM 90La4RNM 90Lc4RNM 90Sa4RNM 100a4RNM 100b4RNM 100c4RNM 112a4RNM 112b4RNM 112c4RNM 112d4