The RSF86Y100R is a compact, externally mounted liquid level switch. Constructed from durable grey Polyphenylene Sulphide (PPS), it is supplied with a 100cm PVC leadout cable. This switch is rated for a maximum power of 25VA, with maximum switching voltages of 240V AC and 120V DC. It is designed to operate in fluids with a minimum specific gravity of 0.85 and across a temperature range of -10°C to +120°C. The switch action can be set to normally open or normally closed by rotating the unit, making it a versatile choice for applications like monitoring diesel generators, hydraulic oil, and gearbox oil levels.