Bulletin 840 Automatic Manufacturer of float switches are heavy duty horsepower or control circuit rated devices which can be used to control and monitor liquid levels in a professional tank or sump. As the liquid level rises or falls in a sump or tank, at a preset level the professional switch can either start a motor to adjust the liquid level or activate a circuit to turn on a light or sound an alarm. Bulletin 840 Float Switches are designed for long life and heavy duty operation. They are offered in five different styles with many different float operator assemblies.
Bulletin 840 Automatic Float Switches:
Liquid Level Sensitivity From 2 to 5 Inches
0.6 to 3.8 lbs Switch Operating Force
2 or 3 Pole Contact Configurations
Tank to Sump Convertibility
NEMA A600 and NEMA N300 Contact Ratings
Type 1, Type 4, and Type 7 & 9 Enclosures
