440-403 ALLEN-BRADLEY Js Rotary Potentiometer

Review ALLEN-BRADLEY Vintage Type Rotary Potentiometer 440 403 Industrial Usa

The Allen-Bradley 440-403 JS Rotary Potentiometer is a versatile and reliable solution for controlling voltage, current, or resistance in various industrial applications. This 3-terminal potentiometer, part of the 440 JS Series, comes with a silicone rotary actuator that provides smooth and precise adjustment, even under harsh operating conditions.

The 440-403 JS potentiometer features a rugged, compact design with a 1-inch (25.4mm) diameter housing, making it suitable for mounting in tight spaces. It offers a standard 1/4-20 UNC mounting pattern and comes with a gasket and hardware for easy installation. The potentiometer's operating temperature range is from -40 F to 176 F (-40 C to 80 C), ensuring reliable performance in a broad range of environments.

The 440-403 JS potentiometer is designed for 600V AC or DC applications, and it provides a 10k total resistance. The resistance value is linearly proportional to the angle of rotation, allowing accurate voltage or current control. The potentiometer offers a maximum power dissipation of 1.25 watts and a maximum current of 1 ampere, making it suitable for applications that require a moderate power dissipation.

The Allen-Bradley 440-403 JS Rotary Potentiometer is engineered to meet the highest industrial standards, including UL, CSA, and CE certifications. It can be used in various applications, such as process control, machine automation, and power conditioning. With its robust design, precise adjustment, and easy installation, this potentiometer is an ideal choice for industrial professionals seeking reliable and accurate control solutions.

The Allen-Bradley 440-403 JS rotary potentiometer is a widely used control component in various automation applications. Here are some pros and cons that may help in deciding whether to purchase this potentiometer:

1. Wide Operating Range: This potentiometer offers a wide operating range of 0 to 360 degrees, making it suitable for a variety of applications.

2. Rugged Design: The 440-403 JS is built to withstand harsh industrial environments. It has a sealed design to protect against dust and moisture.

3. Easy Installation: This potentiometer comes with a standard 1/4-20 UNC threaded shaft, making it easy to install in most applications.

4. Accurate and Stable: The 440-403 JS offers high accuracy and stability, ensuring consistent performance over time.

5. Versatile: This potentiometer can be used in both AC and DC applications, making it a versatile choice for various industrial control systems.

1. Cost: Compared to some other rotary potentiometers, the Allen-Bradley 440-403 JS can be more expensive.

2. Limited Resolution: This potentiometer offers a limited resolution of 100 positions per revolution, which may not be sufficient for some applications that require high precision.

3. Size: The 440-403 JS is a larger potentiometer compared to some other options in the market. This may limit its use in applications with space constraints.

In conclusion, the Allen-Bradley 440-403 JS rotary potentiometer is a reliable and robust control component that offers a wide operating range, rugged design, easy installation, accurate and stable performance, and versatility. However, it may be more expensive than some other options, have a limited resolution, and be larger in size.

Based on the pros and cons, the 440-403 JS is a good choice for applications that require a rugged and versatile potentiometer with a wide operating range and easy installation. It may not be the best option for applications that require high precision or have space constraints or budget limitations.

Therefore, if your application requires a rugged and versatile rotary potentiometer with a wide operating range and easy installation, the Allen-Bradley 440-403 JS is a recommended option. However, if you require high precision or have space or budget constraints, you may want to consider other options in the market.

Details:

Heavy-duty industrial potentiometer with robust metal shaft and three solder terminals. Rated 2a 125v and 10a 10v, with underwriter laboratory inspection. Ideal for collectors, restorers, or electronics hobbyists seeking authentic American-made components. Vintage Allen Bradley type rotary potentiometer model 440-403, made in usa.

Item shows clear signs of age and oxidization but appears structurally sound. Used for precise resistance control in vintage electronics, amplifiers, or radio restoration projects.

specifications passivecompos:

• brand: Allen-bradley
• mpn: 440-403
• type: Rotary Potentiometer
• termination style: Lug
• mounting style: Panel Mount
• material: Metal
• country of origin: United States
• unit type: Unit

shipping passivecompos:

• carrier: usps
• service: usps ground advantage
• class: standard
• transit: 4-8 days
• type: calculated

returns passivecompos:

• policy: no returns

general passivecompos:

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

offer passivecompos:

• price: $23.00
• item condition: Used
• sold #: 7
• started: april 17, 2026
• options: ship-to-home
• best offers: true
• availability: in stock
• in stock #: 1

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• credit card: discover

seller passivecompos:

• # reviews: 643
• city: sacramento, california
• rating: 100.0%