Cynergy3 RSF50 float switches are compact devices suitable for vending machines printing system and chemical dosing equipment, for example. RSF50 float switches are vertically mounted and feature a single switch.
There is a range of different material options available within the RSF50 series so you will be sure to find a suitable float switch for more commonly used liquids.
The direction of the switch can be reversed by firstly removing the float, inverting the switch and re-fitting it to the stem.

Within the series there are 5 ranges:
RSF53 (black) - Nylon
RSF54 (opaque) - Polypropylene (WRAS approved)
RSF56 (grey) - Polyphenylene Sulphide (PPS)
RSF57 (green) - Polyvinylidene Fluoride (PVDF)
RSF58 (white) - Polypropylene (UL approved)
Note - the different ranges feature other differences. Please refer to the Datasheet for more information on technical specifications.

What contact types are there?
The RSF50 float switches can be configured for N/O (Normally Open) or N/C (Normally Closed) operation.

What mounting thread does it have?
RSF50 float switches have either M12 or 1/8” NPT mounting thread. This is depicted by the last part of the part number. If it ends in “B” or “C”, it is an M12. If it ends in “1/8” it is 1/8” NPT.

Part numbers ending in '1/8' have a 1/8"NPT mounting thread
Part numbers ending in 'C' have an M12 mounting thread

The cable entry point must NOT under any circumstances be submerged.
On the Horizontal switches they must be fitted through the wall of a tank so that the cable is on the outside.
On the Vertical type the mounting thread and cable entry must be above the highest level of the liquid.

epoxy sealed leadouts

Turn to this float switch from Sensata Cynergy3 to ensure that your tanks maintain the necessary liquid level. The switch can be mounted internally from the top or bottom of the tank, making it a practical choice if there's no side access to the tank. As it's made from a robust polypropylene material, you can use it with a variety of liquids including, acids, alkalis, detergents, oils and water. It's useful for maintaining liquid levels in a variety of equipment, such as vending machines, printers and chemical-dosing equipment.

• Nitrile gasket offers reliable chemical resistance
• Wide operating temperature range of -20°C to +100°C for use in a variety of demanding environments

Vertical float switches like this one have a magnet in the float and a reed switch within the body of the unit. The float fits around the stem and rises or falls with the level of the liquid. When the float nears the reed switch, the magnetic force causes the switch to open or close.