The YE4 series 1500 r/min motor is an IE4 ultra-high efficiency 4-pole unit exclusively engineered for Weigao reducers, core function being delivering stable synchronous speed to support the reducer’s torque amplification and power transmission in industrial workflows. It integrates precision electromagnetic optimization to convert electrical energy into mechanical power with minimal loss, adapting to a wide power range for diverse equipment demands.
A distinctive advantage is its enhanced low-load efficiency, maintaining over 90% efficiency even at 30% load— a key upgrade from conventional motors, which significantly reduces energy waste for Weigao reducer systems operating in variable-load scenarios. Its robust rotor design boosts torque density, ensuring quick response to load changes without performance lag.
Equipped with IP55 protection and TEFC enclosure, it resists moisture, dust and corrosion, while H-class insulation extends thermal tolerance, enabling reliable operation in harsh industrial environments. The motor adopts noise-optimized bearings and balanced rotor structure, minimizing vibration and noise to complement Weigao reducers’ smooth operation.
It features universal mounting dimensions and compatible flanges for seamless integration with Weigao reducers, simplifying installation and maintenance. Certified to global industrial standards, it balances ultra-high efficiency, durability and cost-effectiveness, making it a green and reliable drive solution for heavy-duty equipment like conveyors and pumps paired with Weigao reducers.
YE4 Series 1500 r/min Motor Model-Power Comparison Table
| Motor Type | Power kw | Motor Type | Power kw |
| YE4-63M1-4 | 0.12 kW | YE4-160M-4 | 11 kW |
| YE4-63M2-4 | 0.18 kW | YE4-160L-4 | 15 kW |
| YE4-71M1-4 | 0.25 kW | YE4-180M-4 | 18.5 kW |
| YE4-71M2-4 | 0.37 kW | YE4-180L-4 | 22 kW |
| YE4-80M1-4 | 0.55 kW | YE4-200L-4 | 30 kW |
| YE4-80M2-4 | 0.75 kW | YE4-225S-4 | 37 kW |
| YE4-90S-4 | 1.1 kW | YE4-225M-4 | 45 kW |
| YE4-90L-4 | 1.5 kW | YE4-250M-4 | 55 kW |
| YE4-100L1-4 | 2.2 kW | YE4-280S-4 | 75 kW |
| YE4-100L2-4 | 3 kW | YE4-280M-4 | 90 kW |
| YE4-112M-4 | 4 kW | YE4-315S-4 | 110 kW |
| YE4-132S-4 | 5.5 kW | YE4-315M-4 | 132 kW |
| YE4-132M-4 | 7.5 kW | YE4-315L1-4 | 160 kW |
| YE4-315L-4 | 185 kW | YE4-355M-4 | 250 kW |
| YE4-315L2-4 | 200 kW | YE4-355L1-4 | 280 kW |
| YE4-315L3-4 | 220 kW | YE4-355L-4 | 315 kW |
| YE4-355M1-4 | 220 kW | YE4-355L2-4 | 355 kW |
| YE4-355L3-4 | 375 kW | - | - |



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