The 2-Speed 3-Phase Asynchronous Motor is a century-proven solution for industrial variable-speed drives. Utilizing Dahlander pole-changing or dual separate windings, it delivers two fixed speed settings (e.g., 3000/1500 rpm) in a single unit. Designed for fans, pumps, conveyors, and other equipment requiring operational adjustment, it saves 40%+ energy at low speed without external VFDs. With IP55 protection and Class F insulation, it ensures harmonic-free, reliable operation in harsh environments (heat, dust, etc.), offering a robust balance of efficiency and durability.
| According to quantity and seasons, the lead time is different. | |
| 3 phase double speed induction motor | |
| 0.35 to 82 Kw or customized | |
| 680 to 2970 RPM | |
| 1 PC |
OEM is accepted, your tag, label, logo.
1.Dual-Speed Efficiency, Save Energy & Cost.
2.Zero-Harmonic Reliability in Harsh Conditions.
3.Century-Proven Industrial Durability.
Q: 1. How are the two speeds switched? Is extra equipment needed?
A: Via standard contactors switching windings (△/2Y connection) – no VFD required! Only basic start/stop circuitry.
Q: 2. Does low speed really save energy? How much?
A: Proven 40%+ energy savings (vs. single-speed motors with throttling valves/dampers). Low-speed power is only 30-50% of high-speed.
Q: 3. Can it be used in dusty workshops or humid environments?
A: IP55 totally enclosed design – dustproof & waterproof! With Class F insulation, withstands 50℃ heat & 85% humidity. Built for harsh conditions.
Populaire tags: 2 speed 3 phase electric motor, China 2 speed 3 phase electric motor factory