YS-90-1-4-B5 motor code parameters and flange installation method
YS-90-1-4-B5 Gear Motor Description and Motor Technical Parameters:
YS series deceleration motor code: YS-90-1-4-BK5
YS=YS series three-phase asynchronous motor (fractional horsepower, aluminum casing)
90=frame size -90mm axis center height
1=Core length code (short S, long L)
4=4-pole, rated speed~1400 RPM, 50 Hz
BK5=B5 flange installation - there are no legs on the frame, there is a large flange on the front cover, and the shaft extends through the flange side
YS-90S-4 (1.1 kW) Key Parameters
| Parameter | Value |
|---|---|
| Rated power | 1.1 kW (1.5 HP) |
| Rated voltage | 380 V / 220 V |
| Frequency | 50 Hz / 60 Hz |
| Poles | 4 |
| Rated speed | ~1400 RPM (50 Hz) / ~1680 RPM (60 Hz) |
| Rated current | 2.75 A (380 V) |
| Efficiency (η) | 78% |
| Power factor (cos φ) | 0.78 |
| Protection | IP54 / IP55 |
| Insulation | Class F (B temp rise) |
| Cooling | IC411 (TEFC) |
| Duty | S1 continuous |
| Mounting | B3, B5, B14, B35 |
YS90 motor-B5 flange installation dimensions
| Dimension | Description | 90S Frame (mm) | 90L Frame (mm) |
|---|---|---|---|
| M | Flange bolt circle diameter | 115 | 115 |
| N | Flange spigot diameter | 95 | 95 |
| P | Flange outer diameter | 140 | 140 |
| S | Flange bolt hole | M8 | M8 |
| T | Flange thickness | 3.0 | 3.0 |
| D | Shaft diameter | φ24 | φ24 |
| E | Shaft length | 50 | 50 |
| F | Keyway width | 8 | 8 |
| G | Keyway depth | 20 | 20 |
| H | Centre height | 90 | 90 |
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380V/220V AC motor/asynchronous motor related articles: B3/B5/B14 motor flange installation