| Model Name Suffix | Tach | Locked Rotor Alarm | Trip-Point Alarm | Tach/ Locked Rotor Alarm | PWM Speed Control | PWM & Tach | PWM & Locked Rotor Alarm | PWM & Trip-Point Alarm | Thermal Speed Control | Thermal Control & Tach | Thermal Control & LR Alarm | Thermal Control with PWM | Thermal Control w/PWM and Tach | PWM & Inverse LR Alarm |
| Speed-Stable Fans and Blowers |
-02 | -03 | -04 | -05 | -06 | -07 | -08 | -09 | -10 | -11 | -12 | -13 | -14 | -15 |
| Free-Running Fans and Blowers |
-52 | -53 | -54 | -55 | -56 | -57 | -58 | -59 | -60 | -61 | -62 | -63 | -64 | -65 |
Note: The model name suffix for a no-frills version is "-01" (speed-stable models) or "-51" (free-running models). |
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Cooling Fans > UltraFlo > Design Options
Nidec UltraFlo fan design options tachometer tach locked rotor alarm trip point low speed alarm pulse width modulation PWM fan speed control thermal fan speed control open collector monitor circuit cooling fan computer fans case fans CPU coolers blowers centrifugal blowers air movers cooling systems dc fans