Precision response from 5 Hz to 100 Hz. Featuring independent forced ventilation for demanding closed-loop control systems.
Standard motors fail under variable speed: they overheat at low frequencies because the shaft fan slows down, and insulation is stressed at high frequencies.
The YVF2 Series is an inverter-duty motor. With an independent axial cooling fan (IC416) and a Class H insulation system, it delivers smooth power from low-speed tension control to high-speed cutting.
Decode the JWmotor model number to quickly identify the specifications for a precise replacement.
Technical Specifications
JWMotor Product Range:
Technical DownloadsOperating Conditions
* Class H insulation is available for high-temperature environments.
* Power derating is required for high-altitude regions.
JWMotor offers you motor solutions with the following significant advantages
IC416 Forced Ventilation
A dedicated, independently powered axial fan keeps cooling airflow at full capacity whether the motor crawls or runs at top speed. This removes the burnout risk of self-cooled motors during low-frequency operation.
Wide Speed Range Control
Below base frequency (5-50 Hz) the motor delivers constant torque for conveyors and hoisting. Above base frequency (50-100 Hz) it delivers constant power for cutting and winding.
Inverter Grade Insulation System
Reinforced insulation and vacuum pressure impregnation withstand high-frequency pulse voltages and harmonic stress from VFDs, in line with NEMA MG1 Part 31 inverter-duty practice.
Encoder Ready Design
The non-drive end shaft and end shield include an encoder mounting interface, so a rotary encoder can be added for closed-loop speed or position control with a vector VFD.
Industry Applications
FAQ
Why does the YVF2 motor use an independent cooling fan (IC416)?
YVF2 motors often run at low speed, where a shaft-mounted fan cannot move enough air. An independent axial fan keeps the motor cool at low frequency and protects the insulation.
What is the frequency adjustment range for the YVF2 series?
YVF2 motors typically support 5 Hz to 50 Hz for constant torque and 50 Hz to 100 Hz for constant power. That range works with common VFD brands such as ABB, Siemens, and Schneider.
Is the YVF2 motor suitable for continuous low-speed operation?
Yes. Reinforced insulation and the separate cooling system support S1 continuous duty at low speed, which suits conveyors, extruders, and automated lines.
