Sri Lanka JY Series Single-Phase Capacitor-Start Induction Motor
The JY series single-phase capacitor-start motor complies with IEC standards and is ideal for applications requiring high starting torque while keeping the inrush current low—making it particularly suitable for areas with limited power supply capacity. It can be widely used in water pumps, air compressors, as well as in agriculture, construction, and manufacturing industries.
Category:
Product Description
Introduction
The JY series single-phase capacitor-start motor complies with IEC standards and is ideal for applications requiring high starting torque while maintaining low inrush current, making it particularly suitable for areas with limited power supply. It is widely used in pumps, air compressors, as well as in agriculture, construction, and manufacturing industries.
Installation dimensions

| Frame Size |
Mounting Dimensions (mm) | Frame Dimensions (mm) | ||||||||||||||||||
| A | B | C | D | E | F | GA | H | K | M | N | P | R | S | T | AB | AC | AD | HD | L | |
| 09 | 125 | 100 | 50 | 14 | 30 | 4 | 15.5 | 80 | 10 | 85 | 70 | 105 | 0 | M6 | 3 | 156 | 156 | 108 | 190 | 258 |
| 1 | 140 | 100 | 56 | 16 | 40 | 5 | 18 | 90 | 10 | 100 | 80 | 120 | 0 | M6 | 3 | 176 | 176 | 121 | 220 | 586 |
| 2 | 160 | 112 | 63 | 19 | 40 | 6 | 21.5 | 100 | 12 | 115 | 95 | 140 | 0 | M8 | 3 | 190 | 190 | 128 | 246 | 330 |
Technical Specifications
| Frame Size |
Type | Power | Speed (revolutions per minute) |
Efficiency (%) |
Power Factor |
Tst/Tn | Tmax/Tn | Net weight (kg) |
|
| HP | KW | ||||||||
| 09 | JY09A-2 | 1/3 | 0.25 | 2800 | 63 | 0.72 | 2-3.5 | 1.8–2 | 11.5 |
| JY09B-2 | 1/4 | 0.18 | 2800 | 60 | 0.72 | 2-3.5 | 1.8–2 | 10.2 | |
| JY09A-4 | 1/4 | 0.18 | 1400 | 56 | 0.62 | 2-3.5 | 1.8–2 | 10.2 | |
| 1 | JY1A-2 | 3/4 | 0.55 | 2800 | 66 | 0.72 | 2-3.5 | 1.8–2 | 16 |
| JY1B-2 | 1/2 | 0.37 | 2800 | 66 | 0.72 | 2-3.5 | 1.8–2 | 14 | |
| JY1A-4 | 1/2 | 0.37 | 1400 | 64 | 0.62 | 2-3.5 | 1.8–2 | 14 | |
| JY1B-4 | 1/3 | 0.25 | 1400 | 60 | 0.62 | 2-3.5 | 1.8–2 | 13 | |
| 2 | JY2A-2 | 1.5 | 1.1 | 2850 | 71 | 0.77 | 2-3.5 | 1.8–2 | 23 |
| JY2B-2 | 1 | 0.75 | 2850 | 70 | 0.75 | 2-3.5 | 1.8–2 | 21.7 | |
| JY2A-4 | 1 | 0.75 | 1400 | 69 | 0.68 | 2-3.5 | 1.8–2 | 21.7 | |
| JY2B-4 | 3/4 | 0.55 | 1400 | 67 | 0.68 | 2-3.5 | 1.8–2 | 20 | |