840-1AD

Part number 840-1AD represents an electro-mechanical float switch manufactured by Allen Bradley. It is specifically designed for applications requiring reliable liquid level monitoring. The unit features a single arm lever design that simplifies installation and functioning. With its base-mounted configuration, it can easily be integrated into various systems.

Durability is a notable aspect of the 840-1AD, as it is made from stainless steel, which provides resilience against corrosion and wear. This component features a rod length of 9 feet, allowing for flexibility in installation, and optimizing its functionality across different liquid levels. The float size is designated as Type A, with a diameter of 6 inches, suitable for diverse measuring requirements.

For user convenience, the float switch comes equipped with two adjustable stop collars. These allow for custom adjustments, further enhancing its usability in specific applications. The operational temperature range of –30 °C to +66 °C ensures that it can withstand extreme environments while delivering reliable performance.

This switch can function effectively at altitudes of up to 1000 meters, making it suitable for a variety of geographical locations. It is designed to withstand vibrations of 1 g and shocks up to 15 g, which enhances its robustness in dynamic conditions. Operating effectively in relative humidity levels ranging from 5% to 95% without condensation ensures dependable performance in moist environments.

The 840-1AD supports a 2-pole configuration, and the switch operating force required for activation is between 0.6 to 3.8 lbs. This float switch provides reliable and versatile liquid level monitoring suitable for industrial applications.