SR25 Drill Motor

Very strong and robust.

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SR25 Drill Motor

SR25 Drill Motor

The SR25 Drill Motor is based on the principle of the switched reluctance motor (SR = switched reluctance). The stator is very robust built simple. Its rotor consists of a shaft on which there are strung several single steel laminations. Thus the motor works without any turning windings or short circuit rotor and therefore also without commutator and wear-affected carbon brushes.
There are no gear speeds and thus is lighter than the bigger SR35. 

This motor saves resources, it consists almost only of steel and copper. The commutation (alternating current feed of the stator poles) is managed by electronic power which gets its orders from a microcomputer. The speed over the whole capacity range almost constant, therefore the start drilling is made easier, the wear is reduced and the efficiency of the drill bit is increased. The SR25 works with six fine a