0830 OHMITE Power Rheostat Locking Shaft

Review OHMITE 125 Ohms Series Watt Power Rheostat Locking Shaft

The Ohmite 0830 125 0.447A 25W Power Rheostat is a versatile and reliable adjustable resistor designed for various applications where precise voltage control is essential. This rheostat comes with a locking shaft, adding an extra layer of convenience and safety to your electrical setup.

The Ohmite 0830 125 0.447A 25W Power Rheostat is a cartridge type rheostat, which means it is designed to be easily installed in a wide range of applications. It features a 0.447-ohm resistance value, making it suitable for applications requiring relatively low resistance. The power rating of this rheostat is 25 watts, allowing it to handle a decent amount of power without overheating.

One of the standout features of this rheostat is its locking shaft. This feature enables you to secure the shaft in place once you have set your desired resistance value. This is particularly useful in applications where vibrations or movements may cause the resistance setting to change. The locking mechanism ensures that the resistance value remains stable, providing consistent voltage control.

The Ohmite 0830 125 0.447A 25W Power Rheostat is constructed using high-quality materials, ensuring durability and long-lasting performance. The housing is made of a robust and heat-resistant material, and the internal components are carefully designed to dissipate heat effectively. Additionally, the rheostat is sealed against moisture and dust, making it suitable for use in a variety of environments.

This rheostat is also easy to install, with clear markings on the housing indicating the resistance value and power rating. It can be wired in series or parallel, and the terminals are large enough to accommodate standard wire sizes.

In summary, the Ohmite 0830 125 0.447A 25W Power Rheostat with a locking shaft is a high-performance and reliable adjustable resistor suitable for applications requiring precise voltage control and stability. Its locking shaft feature adds an extra layer of convenience and safety, making it an excellent choice for various industrial, scientific, or laboratory applications.

The Ohmite 0830 125 0.447A 25W rheostat is a variable resistance device commonly used for voltage or current regulation in electrical circuits. Here are some pros and cons that may help you make an informed decision about purchasing this rheostat:

1. Adjustable Resistance: The rheostat allows you to adjust the resistance value, which can be useful for controlling the power delivered to a load in an electrical circuit.

2. Locking Shaft: The locking shaft feature ensures that the resistance setting remains constant once set, preventing any accidental changes.

3. Power Rating: This rheostat has a power rating of 25W, which is suitable for many applications requiring moderate power regulation.

4. Low Resistance Value: With a resistance value of 0.447 ohms, this rheostat can handle relatively high currents, making it suitable for certain applications.

1. Size and Weight: Compared to some other rheostats, this one may be larger and heavier due to its higher power rating and locking shaft feature.

2. Cost: The cost of this rheostat may be higher than some other options due to its higher power rating and additional features.

3. Limited Application: This rheostat may not be suitable for very high power applications or for applications where precise resistance control is required.

In conclusion, the Ohmite 0830 125 0.447A 25W rheostat with a locking shaft is a versatile and reliable option for voltage or current regulation in electrical circuits that require moderate power handling and adjustability with a constant setting. However, its size, weight, and cost may be drawbacks for some applications. Ultimately, the decision to purchase this rheostat depends on the specific requirements of your application and your budget. If you need precise resistance control, or if your application requires very high power handling, you may want to consider other options. However, if you need a reliable and adjustable resistance device for moderate power regulation, this rheostat may be a good choice.

Details:

Ohmite rheostat 25 watt 125 ohm .447 max. With locking shaft.

specifications passivecompos:

• brand: Ohmite
• mpn: 0830
• power rating: 25 W
• series: Rhl
• type: Series A
• termination style: Lug
• resistance rating: 125 Ohms
• country of origin: United States
• california prop 65 warning: This Product Can Expose You To Certain Chemicals, Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.

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• policy: no returns

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• transit: 5-11 days
• type: calculated
• service: usps ground advantage
• carrier: usps
• class: standard

seller passivecompos:

• city: port huron, michigan
• # reviews: 396
• rating: 100.0%

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general passivecompos:

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

offer passivecompos:

• prices: $19.99–$49.95
• item condition:
  • New – Open box
  • New
• availability: in stock
• started: december 13, 2025
• sold #: 8
• in stock #: 5
• best offers: true
• options: ship-to-home