The RP series rheostats were made to meet needs requiring a low power regulator for use in laboratories and education. The standard level of protection of the casing is IP20.

These products are made of a toroidal rheostat protected by a steel, powder painted container.

They come with safety bushings for insertion as rheostats or as potentiometers, with a graduated plate and adjustment knob.

The power and current refer to a DT of 250°C at the winding and the power is given with the load applied over the entire winding.

When the adjustment ratio, namely the ratio between the maximum and minimum current, is high, the winding is divided into several sections, realised with wires in various diameters.

Sub-division of the resistance is generally performed with hyperbolic law.

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