Allen-Bradley 3191-U-500 Type G Potentiometer 500Ω 1/2W 350VAC Flatted Shaft

Allen-Bradley 3191-U-500 Type G Potentiometer

The Allen-Bradley 3191-U-500 Type G Potentiometer is a high-quality, single-turn rotary device designed for precise resistance adjustment in electronic circuits. With a resistance value of 500 ohms and a power rating of 0.5 watts, it is suitable for various applications requiring reliable performance.

Key Features

• Resistance Value: 500 ohms
• Power Rating: 0.5 watts
• Voltage Rating: 350 VAC
• Shaft Type: Flatted for secure knob attachment
• Mounting Style: Panel mount with a plain bushing
• Temperature Range: Operates efficiently between -55°C and 120°C
• Mechanical Rotation: 295 degrees ±5 degrees
• Insulation Resistance: Minimum of 10,000 megohms at 25°C

Construction and Design

Constructed with corrosion-resistant and non-magnetic materials, the potentiometer ensures durability and longevity. The device features an internal “O” ring between the shaft and bushing, providing an effective seal against dust and moisture. External surfaces are treated to achieve immersion sealing, making it suitable for environments where exposure to elements is a concern.

Applications

The Allen-Bradley 3191-U-500 Type G Potentiometer is ideal for use in:

• Electric vehicles
• Personal mobility devices
• Off-road vehicles
• Welding and heating equipment
• Telecommunications
• Manual controls such as throttles and joysticks
• Replacement parts for tractors and wire feeders

Its robust design and reliable performance make it a preferred choice for applications requiring precise resistance control in demanding conditions.