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Rheostat Dials

Rheostat dials are a component of rheostats, a type of two-terminal variable resistormade up of one end contact and a wiper. The dials are used to display the degree of change in resistance that is made when a user turns the rheostat knob.

How do rheostats work?

Rheostats are a common way to vary the resistance in a circuit. They are now often referred to by the more general term potentiometer. A user turns a rheostat knob to point to a given number on the dial, which alters the resistance of the device. Higher power rheostats use a wire wound around an insulator, and the resistance changes depending on where on the wire the wiper is positioned.

Types of rheostat dials

Rheostat dials differ depending on their function. Some are simply a kind of flat panel display engraved with numbers, while others have a protruding dial with numbers on it, designed to be used with a shaft.

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Part Details Brand Stock Accessory Type Inner Diameter For Use With
Vishay ACCRFCADRANCG57 Rheostat Dial Vishay 22 Dial 56mm -
TT Electronics/BI 2696 Multiturn Dial, For Use With 1/4 in Shaft TT Electronics/BI 20 Turns Counting Dial 10.3mm 1/4 in Shaft
Vishay ACCRFCADRANCG78 Rheostat Dial, For Use With Rheostat Vishay 7 Panel Dial 78mm Rheostat
Vishay ACCRFCADRANCG45 Rheostat Dial Vishay 5 Dial 45mm -
Vishay ACCRFCADRANCG115 Rheostat Dial Vishay 3 Dial 115mm -
Dial background black index line
  • RS Stock No. 137-4576
  • Brand OKW
  • Mfr. Part No. A 60 16 019
OKW 0 - - -
Rheostat Panel Dial 78mm x 78mm Vishay 0 Panel Dial 78mm Rheostat
TT Electronics/BI 2696 Adapter, For Use With 1/4 in Shaft TT Electronics/BI 0 Turns Counting Dial 10.3mm 1/4 in Shaft
Vishay ACCRFCADRANCG45 Rheostat Dial Vishay 0 Dial 45mm -
Vishay ACCRFCADRANCG57 Rheostat Dial Vishay 0 Dial 56mm -
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