Wire-wound Rheostats, Hand Sliding Type:

1) Core Porcelain Tube, Non-Magnetic Non-Inductive Tubular Type. Diameter and Length of core As per company/customer requirement.

2) Contact Block : Squire piece made of material is fitted with contact sliders in the guide thread rod. Metal this makes immediate contact with the guide rod. A higher temperature insulated knob is fitted with thread rod for sliding up and down.

3) Guide Rod : Solid metal rod.

4) Contact Material : Metal pin gives springy action to the contacts.