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Rheostats Manufacturer,Supplier and Exporter in Uk

Rheostats

Product Code : DS-LE-10890

Quick Answer: The Rheostats are open slide wire rheostats rated at 5 Ohm, 3A, with copper nickel wire and a sliding contact of copper graphite.

Last updated: October 2026

Key Features

  • Open slide wire type
  • Rated 5 Ohm, 3A
  • Resistance tolerance ±10%
  • Copper nickel wire, oxidised for insulation
  • Sliding contact of copper graphite
  • Small and light

Technical Specifications

SpecificationValue
TypeOpen slide wire
Rated range5 Ohm, 3A
Resistance tolerance±10%
Earthing resistanceBelow 0.1Ohm
Max. working voltage380VAC, 400VDC

About This Product

The Rheostats are used to vary the resistance in a circuit and so control the current. Moving the sliding contact along the oxidised wire changes the length of wire in use.

Frequently Asked Questions

Q1. What is the rating of the Rheostats?
They are rated at 5 Ohm, 3A, with a resistance tolerance of ±10% and a maximum working voltage of 380VAC or 400VDC.

Related: Lab Equipment, Connectivity Wire, Ammeter Laboratory Type.

For a quotation on the Rheostats, contact Didac Scientific.

   
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        Office Address

        Works: Martinfield Business Centre, 108 Martinfield,
        Welwyn Garden City , United Kingdom

        [email protected]

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