کوموتاتور (Commutator)
Model 330803
Modern Experiments Equipment
![](https://moolianco.com/wp-content/uploads/2019/09/کوموتاتور-e1579683811631.jpg)
Polarity is automatically changed through moving the pair of coupled switching levers. This is continuously adjustable to change the frequency of switching
Frequency of switching: 0.5 – 5 Hz ad
Main voltage: 220 VAC, ۵۰Hz