Float level switch NESOS R04 LS

for liquidsfor tanksfor pump control

Product overview
The JUMO NESOS R04 LS is a curved float switch designed to detect and switch liquid levels in tanks and process vessels. It is used to control alarms, pumps, signal lamps, valves and horns via a contact protection relay. The intrinsically safe [Ex i] variant is available for use in intrinsically safe electrical circuits.

Short description
Curved float switch with selectable float geometries and contact options for level monitoring and switching applications.

Highlights

• Maintenance-free operation
• Cost-effective installation and mounting
• Flexible measurement options with cylinder or sphere floats and different materials

Technical data

• Switching capacity: Up to 230 V AC/DC; up to 1.5 A
• Medium temperature: -52 to +240 °C
• Contact versions: Normally closed (NC); changeover (CO); normally open (NO); bistable
• Float options: Cylinder, CrNi (stainless steel) Ø 27 mm; sphere, CrNi Ø 29 mm; sphere, Ti (titanium) Ø 29 mm
• Protection rating: Up to IP68

Certifications & approvals
ATEX, IECEx, EACEx, CCC [Ex i, Ex d], WHG, EAC. Manufacturer's declaration: CE.

Notes

• When connected to intrinsically safe circuits, select the Ex i version and follow the applicable installation instructions and standards.
• The product does not fall under the Pressure Equipment Directive 2014/68/EU because there is no pressurized housing (see separate TÜV SÜD certificate).