Submerged Motor
What is a submerged motor?The submerged motor is coupled with the screw pump to generate hydraulic pressure inside the tank.
80%Share of the world hydraulic elevator motor market
Since 1992Exclusive supply to the Korean market
2.2~92 kW16 capacities produced
3-phase 2-pole · single-phase 2-poleProduction models
Elmo of Italy, which produces only submerged motors for elevators, holds an 80% share of the world hydraulic elevator motor market.
Donam has been the exclusive supplier to the Korean market for over 20 years, since 1992.
Submerged motors for elevators are produced in 3-phase 2-pole and single-phase 2-pole versions, in 16 capacities from 2.2 kW to 92 kW, and are supplied worldwide.
Motor selectionA hydraulic motor must withstand the high temperature of the hydraulic oil and must not burn out due to foreign matter, so choosing a motor that can withstand these conditions is also good for maintenance and repair.
Hydraulic motor starting and rated current data
| Capacity kW | 220 V | 380 V | 440 V | |||
|---|---|---|---|---|---|---|
| Starting current (A) | Rated current (A) | Starting current (A) | Rated current (A) | Starting current (A) | Rated current (A) | |
| 2.2 kW | 43.0 | 11.1 | 25.0 | 6.4 | 21.4 | 5.5 |
| 3.7 kW | 59.0 | 18.0 | 47.0 | 13.3 | 41.0 | 11.5 |
| 7.3 kW | 109.0 | 32.0 | 63.0 | 18.6 | 54.0 | 16.0 |
| 9 kW | 132.0 | 37.0 | 76.0 | 21.4 | 66.0 | 18.5 |
| 11 kW | 176.0 | 46.0 | 102.0 | 26.5 | 88.0 | 23.0 |
| 13 kW | 205.0 | 55.0 | 119.0 | 32.0 | 102.0 | 27.4 |
| 15 kW | 211.0 | 73.0 | 122.0 | 34.0 | 106.0 | 29.0 |
| 18.5 kW | 293.0 | 72.0 | 170.0 | 42.0 | 146.0 | 36.0 |
| 24 kW | 355.0 | 92.0 | 206.0 | 53.0 | 178.0 | 46.0 |
| 29 kW | 397.0 | 109.0 | 230.0 | 63.0 | 199.0 | 54.0 |
| 37 kW | 193.0 | 146.0 | 286.0 | 85.0 | 247.0 | 73.0 |
| 40 kW | 542.0 | 154.0 | 314.0 | 89.0 | 271.0 | 77.0 |
| 48 kW | 642.0 | 181.0 | 372.0 | 105.0 | 321.0 | 90.0 |
| 57 kW | 792.0 | 209.0 | 459.0 | 121.0 | 396.0 | 105.0 |
| 72 kW | 1,018.0 | 262.0 | 590.0 | 152.0 | 509.0 | 131.0 |
| 92 kW | 1,275.0 | 327.0 | 738.0 | 189.0 | 638.0 | 163.0 |
- The above motors are based on 2 poles, 60 Hz.
- For direct-on-line starting, about 3.2 times must be added.
- The above data are based on data from Elmo.
- The motor operates at a hydraulic oil temperature of 45°C.