






The YC-90 90W / 120W series is the most powerful 90mm-frame AC induction gear motor line (110V / 220V, Φ14mm shaft, gear ratios 1:3 to 1:300). Choose the ordinary induction version, ESC and ESC Pro speed-control versions, the electric brake version, or the 120W version for the heaviest duty — all with pure copper winding for 24/7 operation.
Key design and engineering features of the YC-90 90W / 120W
Select a model to see its full parameter table and dimensional drawing

The YC-90 Ordinary Induction Motor delivers 90W of sustained output through a robust 90mm frame — the highest power standard AC induction model in the CoreMotor Tech YC series. Wound with 100% pure copper coils and rated for S1 continuous duty, it handles the most demanding 24/7 industrial production cycles. The heavy-duty Φ14mm output shaft and wide gear ratio range from 1:3 to 1:300 make it suitable for heavy conveyor drives, industrial machinery and high-load automation.


| Parameter | Specification |
|---|---|
| Model | YC-90 |
| Motor Type | AC Induction Motor |
| Rated Power | 90W |
| Supply Voltage | 110V / 220V |
| Frequency | 50Hz / 60Hz |
| No-Load Speed | 1250 / 1500 r/min |
| Gear Ratio Range | 1:3 – 1:300 |
| Output Shaft Diameter | Φ14mm |
| Frame Size | 90mm Square |
| Insulation Class | Class F (155°C) |
| Duty Cycle | S1 — Continuous 24/7 |

The YC-90 ESC Motor combines 90W high-power output with an integrated Electronic Speed Controller in a compact 90mm frame. The built-in ESC eliminates the need for a separate variable frequency drive, providing seamless 0–100% stepless speed control directly from the motor body. Pure copper winding and Class F insulation ensure dependable 24/7 operation under the most demanding industrial variable-speed duty cycles.


| Parameter | Specification |
|---|---|
| Model | YC-90 ESC |
| Motor Type | AC Induction Motor |
| Rated Power | 90W |
| Supply Voltage | 110V / 220V |
| Frequency | 50Hz / 60Hz |
| No-Load Speed | 1250 / 1500 r/min |
| Gear Ratio Range | 1:3 – 1:300 |
| Output Shaft Diameter | Φ14mm |
| Frame Size | 90mm Square |
| Insulation Class | Class F (155°C) |
| Duty Cycle | S1 — Continuous 24/7 |

The YC-90 Electric Brake Motor — 90W combines the highest power output in the standard YC series with an integrated electromagnetic fail-safe brake rated for over 100,000 engagement cycles. On power interruption, the spring-loaded brake locks the heavy-duty Φ14mm shaft within 50ms, preventing load movement. Engineered for the most demanding 24/7 positioning and vertical load applications requiring maximum torque with positive shaft hold.


| Parameter | Specification |
|---|---|
| Model | YC-90 Brake |
| Motor Type | AC Induction Motor |
| Rated Power | 90W |
| Supply Voltage | 110V / 220V |
| No-Load Speed | 1250 / 1500 r/min |
| Gear Ratio Range | 1:3 – 1:300 |
| Output Shaft Diameter | Φ14mm |
| Frame Size | 90mm Square |
| Insulation Class | Class F (155°C) |
| Duty Cycle | S1 — Continuous 24/7 |

The YC-90 ESC Motor Pro is the enhanced variable-speed variant of the 90W YC-90 series, featuring an upgraded Electronic Speed Controller with extended speed range and improved control response. Pure copper winding and Class F insulation support 24/7 continuous duty across the full ESC speed range. Designed for advanced industrial automation applications demanding precise high-power variable speed control without an external inverter.


| Parameter | Specification |
|---|---|
| Model | YC-90 ESC |
| Motor Type | AC Induction Motor |
| Rated Power | 90W |
| Supply Voltage | 110V / 220V |
| No-Load Speed | 1250 / 1500 r/min |
| Gear Ratio Range | 1:3 – 1:300 |
| Output Shaft Diameter | Φ14mm |
| Frame Size | 90mm Square |
| Insulation Class | Class F (155°C) |
| Duty Cycle | S1 — Continuous 24/7 |

The YC-90 120W is the highest-power model in the CoreMotor Tech YC series AC gear motor range. Delivering 120W of continuous output through a 90mm frame with a heavy-duty Φ14mm shaft, it handles the most demanding 24/7 heavy industrial production cycles. Pure copper winding and Class F insulation ensure reliable sustained performance where lower-power models would be insufficient.


| Parameter | Specification |
|---|---|
| Model | YC-90 |
| Motor Type | AC Induction Motor |
| Rated Power | 120W |
| Supply Voltage | 110V / 220V |
| No-Load Speed | 1250 / 1500 r/min |
| Gear Ratio Range | 1:3 – 1:300 |
| Output Shaft Diameter | Φ14mm |
| Frame Size | 90mm Square |
| Insulation Class | Class F (155°C) |
| Duty Cycle | S1 — Continuous 24/7 |
Typical industries and equipment where the YC-90 90W / 120W excels
Why engineers and buyers choose CoreMotor Tech for the YC-90 90W / 120W
Common questions about the YC-90 90W / 120W
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