YS143 series three-phase
SHINE
20221114
Product Description
Optimized for Outdoor Unit Fan Operation
With IPX4 protection grade, the motor resists splashing water and dust—critical for outdoor use—preventing damage from environmental factors. B/F-class insulation enhances heat resistance, allowing safe operation even in high-temperature outdoor environments. The Y-connection design ensures balanced current distribution, reducing motor wear.
Flexible Adaptability & Customization
Covering 6-pole and 8-pole models, the series adapts to different fan speed requirements of outdoor units. It supports optimized design per user needs to fit specific central air conditioner configurations. The standardized structure enables easy installation and replacement, ensuring compatibility with most outdoor unit fan systems.
Specification Table
| Model | Operating Power Supply (V/Hz) | Power (W) | Rated Current (A) | Rated Speed (rpm) | Connection Mode | Insulation Grade | Protection Grade |
| YS143-250-6 | 380~415V/50Hz | 250 | 0.9 | 925 | Y | B | IPX4 |
| YS143-370-6 | 380~415V/50Hz | 370 | 1.3 | 925 | Y | B | IPX4 |
| YS143-550-6 | 380~415V/50Hz | 550 | 1.4 | 925 | Y | B | IPX4 |
| YS143-750-6 | 380~415V/50Hz | 750 | 2.5 | 925 | Y | B | IPX4 |
| YS143-120-8 | 380~415V/50Hz | 120 | 1.0 | 720 | Y | B | IPX4 |
| YS143-370-8 | 380~415V/50Hz | 370 | 1.5 | 710 | Y | B | IPX4 |
| YS143-550-8 | 380~415V/50Hz | 550 | 2.0 | 710 | Y | F | IPX4 |
| YS143-750-8 | 380~415V/50Hz | 750 | 2.5 | 710 | Y | F | IPX4 |
Drawing
Application
Core Power for Central Air Conditioner Outdoor Units
It also suits similar outdoor cooling equipment, such as industrial air coolers and heat pump outdoor units. The B/F insulation adapts to high-temperature summers, while the Y-connection ensures energy efficiency. With customizable design options, it fits diverse central air conditioner models, making it a trusted choice for outdoor fan power solutions in HVAC projects.
