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Rheostats

Rheostats
Rheostats
A rheostat is a variable resistor that is used to control current. Rheostats are very similar to potentiometers, but they only use two connections instead of three. One connection is made at the end of a resistive element, and the other on the wiper. The rheostat does not divide voltage, and are typically designed to carry a substantial current.

Rheostats are primarily used as power control devices, light dimmers, and motor speed controllers. Because they are large and inefficient, rheostats have largely been replaced by potentiometers in today’s industrial applications. However, because they are designed to handle a significant amount of power, rheostats still have some use in manually controlling pumps, fans and blowers where frequent adjustments are unnecessary.

RHS Series Image
  • 25 Watts
  • 1K~25K Ohms
  • 500 Volts RMS
  • .375-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RJS Series Image
  • 50 Watts
  • 500~25K Ohms
  • 750 Volts RMS
  • .375-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RKS Series Image
  • 100 Watts
  • 500~50K Ohms
  • 1000 Volts RMS
  • .375-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RRS Series Image
  • 500 Watts
  • 1K~20K Ohms
  • 1450 Volts RMS
  • Metal Mounting Bracket
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RES Series Image
  • 12.5 Watts
  • 1K~15K Ohms
  • 305 Volts RMS
  • .25-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RNS Series Image
  • 300 Watts
  • 1K~50K Ohms
  • 1225 Volts RMS
  • Metal Mounting Bracket
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RLS Series Image
  • 150 Watts
  • 500~50K Ohms
  • 1200 Volts RMS
  • .375-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RPS Series Image
  • 225 Watts
  • 1K~30K Ohms
  • 1300 Volts RMS
  • Metal Mounting Bracket
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RGS Series Image
  • 75 Watts
  • 500~50K Ohms
  • 900 Volts RMS
  • .375-32 Bushing
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
RUS Series Image
  • 1000 Watts
  • 1K~20K Ohms
  • 1600 Volts RMS
  • Metal Mounting Bracket
  • Open Core
Ohmite rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. All models are constructed with metal and ceramic and are coated with protective vitreous enamel or Ohmicone silicone-ceramic.
Ohmite offers a wide range of models for most applications such as motor speed controls, light dimmers, and for equipment requiring convenient variable resistance ranges.
  • Panel Mount
  • Wirewound Composition
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