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Home » Products » Hand Sliding Wire Wound Rheostats » Rotary Type Rheostat with Knob

Rotary Type Rheostat with Knob

Rotary Type Rheostat with Knob
Rotary Type Rheostat with Knob
Product Code : RTR-03
Brand Name : G. V. ELECTRONICS
Product Description

Rotary Type Rheostat with Knob

Established in the year 1980, we are working as a reputed manufacturer and supplier of optimum quality Rotary Type Rheostat with Knob. Highly acclaimed due to its compact design, this rheostat is widely used to install in high voltage and current applications. This rheostat is precisely manufactured by our deft team professionals using supreme quality materials. Furthermore, this Rotary Type Rheostat with Knob is stringently examined on different parameters in order to meet the set benchmark of quality.


  • Excellent strength
  • Strong construction
  • Shock proof body


Core Porcelain Tube, Non-Magnetic Non-Inductive Tubular Type. Diameter and Length of coreis given in the table below.

Contact Block

Squire piece made of material is fitted with contact sliders in the guide squir rod. Bright chrome plated Phosphor bronze strip which makes immediate contact with the guide rod. A backlite knob is fitted with squire piece for sliding up and down.

Guide Rod

Solid draven brass rod bright chrome plated squire.

Contact Material

Multiple brushes of Phosphors bronze strip rolled strip give springy action to the contacts.

Winding Wires

Eureka wire for low value and nichrom wire 80/20 grade for higher values

Temperature rise

200ºC above ambient temperature

High Voltage Test

2 KV A.C. for 1 minute between end support and any one of 3 wires terminals of the wire.

End supports

Aluminium brackets painted.


Bright Chrome plated brass nuts and screws one at each end of Leaneer Type Wire-Wound Resistor and the third one at both the side of guide rod

All Electrical Connectors are made from chrome plated brass material.

Rotary Sliding Rheostate, Double tube and Multiple Tubes, Non-Standard values, wattage on specific request, Available from 100 Ma to 100 Amps 0.3 ohms to 25 Kohms.