0440 OHMITE Rheostat Sweep

Review OHMITE Series Model Rheostat 0.5 500v Sweep Tested Used

The Ohmite 0440 Rheostat is a versatile and powerful adjustable resistance device, specifically designed for various applications requiring current limiting or resistance adjustment. This particular model, denoted as 0.5 14.1A 500V Sweep, offers some unique features and capabilities.

The resistance range of this rheostat spans from 0.5 ohms to 500 ohms with a current rating of 14.1 amperes. This wide range makes it suitable for use in various electrical circuits and systems where adjustable resistance is required. The voltage rating of 500 volts ensures that it can handle high voltage applications as well.

One of the notable features of the Ohmite 0440 Rheostat is its sweep function. This feature allows the resistance value to be adjusted in a linear or logarithmic manner, making it useful for applications requiring precise and controlled adjustment of resistance. The sweep function is particularly useful in applications such as power supply calibration, current limiting, and load testing.

The Ohmite 0440 Rheostat is constructed with high-quality materials, ensuring durability and reliability. It features a robust metal housing, which not only protects the internal components but also provides excellent heat dissipation. The device is also equipped with a rotary potentiometer, which provides a smooth and precise resistance adjustment.

The Ohmite 0440 Rheostat is designed to operate in harsh environments and can handle high power levels. It features a high power rating of 14.1 watts and can handle a maximum power dissipation of 35 watts. This makes it suitable for use in industrial and commercial applications where high power levels are required.

The Ohmite 0440 Rheostat is also RoHS compliant, meaning it contains no lead or other restricted substances. It is also compatible with a wide range of voltage and current measurement instruments, making it a versatile and practical solution for various applications.

In conclusion, the Ohmite 0440 Rheostat is a high-performance adjustable resistance device, designed for use in various electrical applications where precise and controlled resistance adjustment is required. Its wide resistance range, high power handling capability, and sweep function make it a versatile and practical solution for power supply calibration, current limiting, load testing, and other industrial and commercial applications.

The Ohmite 0440 Rheostat 0.5 14.1A 500V Sweep is a variable resistance device used to control electrical current or voltage in a circuit. Here are some pros and cons of buying this rheostat:

1. High voltage rating: This rheostat is suitable for high voltage applications, making it ideal for industrial and laboratory use.

2. Sweep control: The sweep control feature allows for smooth and precise adjustment of resistance, which is useful in various applications such as power supply regulation and testing.

3. High current capacity: With a current capacity of 14.1A, this rheostat can handle high current loads, making it suitable for applications that require heavy current flow.

4. Durable construction: The Ohmite 0440 Rheostat is made of high-quality materials and is built to last, ensuring reliable operation even in demanding environments.

1. Size and weight: This rheostat is relatively large and heavy compared to some other models, which may make it less portable and more difficult to install in tight spaces.

2. Cost: The Ohmite 0440 Rheostat is more expensive than some other rheostats with similar specifications, which may make it less affordable for some buyers.

3. Manual operation: Unlike some modern variable resistors, this rheostat does not have an automatic or digital control feature, which may require more manual effort to adjust the resistance.

The Ohmite 0440 Rheostat 0.5 14.1A 500V Sweep is a high-quality variable resistor suitable for industrial and laboratory applications that require high voltage and current handling capacity. Its sweep control feature allows for precise resistance adjustment, and its durable construction ensures reliable operation. However, its size and weight, as well as its higher cost compared to some other models, may be drawbacks for some buyers.

If you require a high-performance rheostat for industrial or laboratory applications with high voltage and current requirements, the Ohmite 0440 Rheostat 0.5 14.1A 500V Sweep is an excellent choice. Its sweep control feature and durable construction make it a reliable and precise tool for various applications. However, if you have limited space or budget, there may be other rheostat models that better suit your needs.

Details:

Testing: continuity confirmed across the winding. Normal signs of age and handling. Technical details: brand: Ohmite. Reads 0.8 end to on the 200 ohm scale 0.5 nominal.

Mounts through panel using the front bushing/shaft. Tested with a meter for continuity and sweep. Type: rheostat variable resistor / potentiate. Country/region of manufacture: USA.

Termination style: screw terminals. Wiper style: rotary. Wiper sweeps smoothly from 0.2 to 0.7. Series: series.

Model: model k. Open frame design with exposed winding correct for this model. Mounting nut for front bushing panel installation. Resistance rating: 0.5 nominal.

Please review all photos for exact cosmetic condition and details. Number of turns: single turn. Design: open frame exposed winding. Ohmite series a model k rheostat 0.5 14.1A 500v tested used: condition: used, tested and working.

Attached pointer. Mounting style: front bushing panel mount shaft. Includes attached knob, pointer, and mounting nut. Knob and pointer move smoothly through the full range.

specifications passivecompos:

• brand: Ohmite
• mpn: 0440
• power rating: 100 W
• mounting style: Panel Mount
• termination style: Soldering
• mounting hardware: Includes Mounting Nut
• current rating: 14.1 A
• maximum voltage: 500 V
• tested: Yes Verified Sweep 0.2 To 0.7
• design: Open-frame
• passive component type: Variable Resistor
• type: Rheostat
• winding resistance: 0.8 On 200 Ohm Scale
• wiper style: Rotary
• knob / pointer: Knob And Pointer Included And Attached
• resistance rating: 0.5
• country of origin: United States
• mounting style detail: Front-bushing Panel Mount

seller passivecompos:

• city: jefferson city, missouri
• # reviews: 243
• rating: 100.0%

returns passivecompos:

• method: money back
• policy: returns accepted
• time: 30 days
• paid by: buyer

payments passivecompos:

• other
• wallet: paypal
• credit card: mastercard

shipping passivecompos:

• carrier: usps
• service: usps ground advantage
• class: standard
• transit: 3-9 days
• type: calculated

general passivecompos:

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

offer passivecompos:

• price: $69.99
• item condition: Used
• started: april 14, 2026
• in stock #: 1
• availability: in stock
• options: ship-to-home
• sold #: 4