
1TL8 IE4 Premium-efficiency Motors
New-generation cast-iron LV motors meeting China efficiency Grade 2 (IE4), for continuous S1 duty — ideal for energy-saving upgrades.
- Power
- 0.55 – 315 kW
- Frame
- FS 80 – 355
- Efficiency
- IE4
- Protection
- IP55

New-generation modular HV induction motors meeting China efficiency Grade 2 across the range, with MICALASTIC® insulation — for fans, pumps, compressors and more.
| Models | 1QA1 / 1QL1 / 1QD1 |
|---|---|
| Rated voltage | 6 kV / 10 kV ± 5%,50 Hz |
| Power range | 450 – 4500 kW (10 kV, IC611, 4-pole; see the catalog power chart for other voltages, poles and cooling) |
| Poles | 2 / 4 / 6 / 8 |
| Shaft height | 355 / 400 / 450 / 500 / 560 mm |
| Efficiency | China Grade 2 (GB 30254-2013) |
| Insulation | Class F, utilized to Class B; MICALASTIC® insulation |
| Cooling | IC611 / IC81W / IC01 |
| Protection | IP23 / IP55 |
| Housing | Welded steel |
| Ambient | -20 to 40 °C, altitude ≤ 1000 m, continuous duty S1 |
Data from the official catalog (2024.08); see the catalog for full data and dimensions.

New-generation cast-iron LV motors meeting China efficiency Grade 2 (IE4), for continuous S1 duty — ideal for energy-saving upgrades.

HV motors for petrochemical, infrastructure, mining and water projects, configured per application. Yineng was among the first licensed HV motor distributors.
Send us the model or application — your local sales engineer will check stock and reply.