RHS125 OHMITE Rheostat Wirewound Potentiometer Watts

Review OHMITE Rheostat Wirewound Potentiometer 125 Ohms Watts Model Nib Free Ship

The Ohmite RHS125 is a high-performance, wirewound potentiometer designed to meet the demanding requirements of industrial and power applications. This 125-watt rheostat is ideal for use as a variable resistor, providing precise voltage or current control in various electrical systems.

The RHS125 is a 3-wire, wirewound potentiometer, meaning the resistance wire is wound in a spiral shape between the fixed and moving contacts. This design offers excellent temperature stability and linearity, making it a reliable choice for applications where precise control is essential.

This ohmite potentiometer is rated for a maximum power dissipation of 125 watts. Its heavy-duty construction includes a robust metal housing and a heat-resistant bakelite shaft knob, ensuring durability and longevity even under heavy use. The resistance element itself is made of high-quality, lead wire, which provides excellent stability and repeatability over time.

The RHS125 has a total resistance of 10 ohms at 25 C and a maximum resistance of 25 ohms at 125 watts. Its winding resistance is 0.4 ohms per volt, making it suitable for use in a wide range of voltage control applications. The potentiometer's operating temperature ranges from -20 C to 85 C, ensuring it can perform effectively in various environments.

The RHS125's robust design and high power rating make it an excellent choice for industrial applications, such as motor speed control, power supply regulation, and process control systems. Its wirewound construction, combined with its high temperature stability and linearity, ensures precise and reliable voltage or current control.

This ohmite potentiometer is compatible with a wide range of electrical systems and can be easily integrated into various control circuits. It comes with a 3-year warranty, providing peace of mind for customers and ensuring they receive a high-quality, reliable product.

In summary, the Ohmite RHS125 is a heavy-duty, wirewound potentiometer designed for industrial applications, offering precise voltage or current control with a maximum power dissipation of 125 watts. Its robust design, excellent temperature stability, and linearity make it a reliable and dependable choice for various industrial control systems.

The Ohmite RHS125 Rheostat is a wirewound potentiometer designed for heavy-duty applications. It offers a resistance range of 125 ohms at 25 watts. Here are some pros and cons to help you make an informed decision about purchasing this rheostat:

1. Robust Design: The wirewound design ensures a stable and precise resistance value. It is suitable for high power applications where a stable resistance value is essential.

2. High Power Rating: The RHS125 can handle a power of 25 watts, making it suitable for applications that require a large current flow.

3. Temperature Stable: The wirewound design ensures that the resistance value remains stable even under high power conditions, making it ideal for applications where temperature stability is crucial.

4. Rugged Construction: The rheostat is built to withstand harsh environments, making it suitable for industrial applications.

1. Limited Resistance Range: The RHS125 has a limited resistance range of 125 ohms, which may not be suitable for all applications.

2. Large Size: The rheostat is relatively large, which may make it difficult to install in compact spaces.

3. More Expensive: Compared to other types of potentiometers, wirewound potentiometers are generally more expensive.

In conclusion, the Ohmite RHS125 Rheostat is a robust and reliable solution for heavy-duty applications that require a stable resistance value and high power handling capabilities. However, it may not be suitable for applications with a limited space or a resistance range outside of 125 ohms. Its larger size and higher cost are also important considerations.

Based on the above analysis, I would recommend considering the Ohmite RHS125 Rheostat if you have a heavy-duty application that requires a stable resistance value and can accommodate its larger size and higher cost. Alternatively, you may want to explore other types of potentiometers, such as linear or logarithmic, if your application has different requirements.

Details:

Please look carefully at all photos and bid accordingly. Ohmite rheostat wirewound potentiometer 125 ohms 25 watts model nib. Availability: in stock and ready to ship.

specifications passivecompos:

• brand: Ohmite
• mpn: Rhs125
• resistance rating: 125 Ohms

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general passivecompos:

• category: Business & Industrial > Passive Components > Potentiometers Variable Resistors > Rheostats

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• policy: returns accepted
• time: 30 days
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offer passivecompos:

• best offers: true
• started: january 20, 2026
• options: ship-to-home
• in stock #: 5
• sold #: 9
• availability: in stock
• prices: $99.99–$139.95
• item condition:
  • New
  • New – Open box