Can You Use a Variable Frequency Drive on Any Motor?
A variable frequency drive (VFD) provides adjustable motor speed by varying the frequency and voltage supplied to an electric motor. However, not e...
The Universal Motors UM3A 100L-4 is a 2.2kW 4-pole three-phase induction motor in an aluminium frame. It is rated IE3 Premium Efficiency and runs at 1445rpm on a 50Hz supply. The winding is dual voltage, 220-240V delta or 380-415V star, so it suits direct-on-line starting.
| Part number | UM3A 100L-4 |
|---|---|
| Series | Universal Motors UM3A, aluminium, IE3 Premium Efficiency |
| Rated output | 2.2 kW (3 hp) |
| Poles / synchronous speed | 4 pole / 1500 rpm |
| Rated speed | 1445 rpm |
| Supply | 220-240V / 380-415V, 3-phase, 50Hz |
| Efficiency at full load | 86.7% |
| Rated current at 400V | 4.70 A |
| Power factor (cos φ) | 0.78 |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Frame size | IEC 100L1 |
| Enclosure | TEFV, IP55 |
| Insulation class | F |
| Duty | S1 continuous |
| Bearings | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise | 70 dB(A) |
| Weight (B3) | 27 kg |
An aluminium frame keeps the motor light and easy to handle, resists corrosion and dissipates heat well. IE3 Premium Efficiency keeps running costs down on motors that run for long hours. At 86.7% full-load efficiency, the UM3A 100L-4 is rated IE3 on the manufacturer's datasheet.
Download the datasheet for each mounting from this page. For help with sizing, starting method or a matched drive, contact our engineers.
| Power | 2.2 kW |
|---|---|
| Power (HP) | 3.0 HP |
| Poles | 4 |
| Full-load speed | 1445 rpm |
| Frequency | 50 Hz |
| Voltage | 220-240V/380-415V |
| Phase | Three-Phase |
| Nominal current | 4.7 A |
| Power factor (cos φ) | 0.78 |
| Efficiency class | IE3 |
| Efficiency | 86.7% |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Duty rating | S1 |
| Protection rating | IP55 |
| Insulation class | F |
| Frame size | 100L1 |
| Frame material | Aluminium |
| Mounting | B3 Foot |
| Bearings (DE / NDE) | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise level | 70 dB(A) |
| Weight | 27.0 kg |
| Series | UM3A |
| Brand | Universal Motors |
| Motor type code | UM3A 100L-4-4 |
| Base part number | UM3A 100L-4 |
| Full part number | UM3A 100L-4 B3 |
| Warranty | 12 months manufacturer |
| SKU | UM3A 100L-4 B3 |
| Power | 2.2 kW |
|---|---|
| Power (HP) | 3.0 HP |
| Poles | 4 |
| Full-load speed | 1445 rpm |
| Frequency | 50 Hz |
| Voltage | 220-240V/380-415V |
| Phase | Three-Phase |
| Nominal current | 4.7 A |
| Power factor (cos φ) | 0.78 |
| Efficiency class | IE3 |
| Efficiency | 86.7% |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Duty rating | S1 |
| Protection rating | IP55 |
| Insulation class | F |
| Frame size | 100L1 |
| Frame material | Aluminium |
| Mounting | B5 Flange |
| Bearings (DE / NDE) | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise level | 70 dB(A) |
| Weight | 27.0 kg |
| Series | UM3A |
| Brand | Universal Motors |
| Motor type code | UM3A 100L-4-4 |
| Base part number | UM3A 100L-4 |
| Full part number | UM3A 100L-4 B5 |
| Warranty | 12 months manufacturer |
| SKU | UM3A 100L-4 B5 |
| Power | 2.2 kW |
|---|---|
| Power (HP) | 3.0 HP |
| Poles | 4 |
| Full-load speed | 1445 rpm |
| Frequency | 50 Hz |
| Voltage | 220-240V/380-415V |
| Phase | Three-Phase |
| Nominal current | 4.7 A |
| Power factor (cos φ) | 0.78 |
| Efficiency class | IE3 |
| Efficiency | 86.7% |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Duty rating | S1 |
| Protection rating | IP55 |
| Insulation class | F |
| Frame size | 100L1 |
| Frame material | Aluminium |
| Mounting | B14 Face |
| Bearings (DE / NDE) | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise level | 70 dB(A) |
| Weight | 27.0 kg |
| Series | UM3A |
| Brand | Universal Motors |
| Motor type code | UM3A 100L-4-4 |
| Base part number | UM3A 100L-4 |
| Full part number | UM3A 100L-4 B14 |
| Warranty | 12 months manufacturer |
| SKU | UM3A 100L-4 B14 |
| Power | 2.2 kW |
|---|---|
| Power (HP) | 3.0 HP |
| Poles | 4 |
| Full-load speed | 1445 rpm |
| Frequency | 50 Hz |
| Voltage | 220-240V/380-415V |
| Phase | Three-Phase |
| Nominal current | 4.7 A |
| Power factor (cos φ) | 0.78 |
| Efficiency class | IE3 |
| Efficiency | 86.7% |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Duty rating | S1 |
| Protection rating | IP55 |
| Insulation class | F |
| Frame size | 100L1 |
| Frame material | Aluminium |
| Mounting | B35 Foot and Flange |
| Bearings (DE / NDE) | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise level | 70 dB(A) |
| Weight | 27.0 kg |
| Series | UM3A |
| Brand | Universal Motors |
| Motor type code | UM3A 100L-4-4 |
| Base part number | UM3A 100L-4 |
| Full part number | UM3A 100L-4 B35 |
| Warranty | 12 months manufacturer |
| SKU | UM3A 100L-4 B35 |
| Power | 2.2 kW |
|---|---|
| Power (HP) | 3.0 HP |
| Poles | 4 |
| Full-load speed | 1445 rpm |
| Frequency | 50 Hz |
| Voltage | 220-240V/380-415V |
| Phase | Three-Phase |
| Nominal current | 4.7 A |
| Power factor (cos φ) | 0.78 |
| Efficiency class | IE3 |
| Efficiency | 86.7% |
| Rated torque | 14.5 Nm |
| Starting current (Ia/In) | 7.5 |
| Duty rating | S1 |
| Protection rating | IP55 |
| Insulation class | F |
| Frame size | 100L1 |
| Frame material | Aluminium |
| Mounting | B34 Foot and Face |
| Bearings (DE / NDE) | DE 6206 2Z C3 / NDE 6206 2Z C3 |
| Noise level | 70 dB(A) |
| Weight | 27.0 kg |
| Series | UM3A |
| Brand | Universal Motors |
| Motor type code | UM3A 100L-4-4 |
| Base part number | UM3A 100L-4 |
| Full part number | UM3A 100L-4 B34 |
| Warranty | 12 months manufacturer |
| SKU | UM3A 100L-4 B34 |
Next working day to most of the UK, on a fully tracked courier - you'll have the tracking link the moment it leaves our racking.
★ 2pm Promise: place your order before 2pm and it is despatched the same working day. Guaranteed, not just aimed for.
We ship to 70+ countries with rates calculated live at checkout, so the price you see is the price you pay - no surprise invoice a week later. Moving several units, or need pallet freight? Get a freight quote on WhatsApp.
Specified the wrong one? Send it back within 14 days, unused and in its original packaging, and we'll refund it. Built-to-order and modified items are the one exception. Read the full returns policy →
15 × B3 Foot mounting on the shelf in our UK warehouse, boxed and ready to go out today.
7 × B5 Flange mounting on the shelf in our UK warehouse, boxed and ready to go out today.
25 × B14 Face mounting on the shelf in our UK warehouse, boxed and ready to go out today.
30 × B35 Foot and Flange mounting on the shelf in our UK warehouse, boxed and ready to go out today.
10 × B34 Foot and Face mounting on the shelf in our UK warehouse, boxed and ready to go out today.
The mounting type describes how the motor is fixed in place and how the shaft connects to your equipment. Choosing the right one ensures a direct, drop-in fit.
Still not sure? Message an engineer with your machine or existing motor's frame and we'll confirm the exact mounting for you.
Ask our UK engineers about this motor - sizing, stock, or a custom quote. Required fields are marked with *.