FLOAT TYPE How To Order - Select Part Number based on specifications required. Stem and Float Mounting Material Polysulfone Polypropylene2 Material Polysulfone Polypropylene (Hollow) Polypropylene2 Polypropylene (Solid) Float Dia. 1 " 1 " Actuation Level1 3/4 " (19.0 mm) 13/16 " (20.6 mm) 1 " 9/16 " (14.3 mm) Nylon Polypropylene (PVDF float retaining clip) LS-3N3 PVDF LS-3F4 Buna-N Polypropylene (Hollow) LS-3N3 PVDF LS-3F4 Notes: 1. Based on a liquid specific gravity of 1.0. 2. All Polypropylene units carry a Kynar® 1 " 13/16 " (20.6 mm) 1 " 1 " 13/16 " (20.6 mm) 1/2 " (12.7 mm) Min. Liquid Sp. Gravity 0.75 0.60 Pressure Max. @ 70°F (21°C) 50 psi (3 bar) 50 psi (3 bar) 150 psi 0.90 (10.3 bar) @ 68°F (20°C) 0.45 150 psi (10.3 bar) 0.60 0.86 50 psi (3 bar) 50 psi (3 bar) Operating Temperature −40°F to +225°F (−40°C to +107°C) −40°F to +225°F (−40°C to +107°C) −40°F to +176°F (−40°C to +80°C) −40°F to +150°F (−40°C to +66°C) −40°F to +176°F (−40°C to +80°C) −40°F to +250°F (oil) (−40°C to +121°C [oil]) −40°F to +176°F (water) (−40°C to +80°C [water]) −40°F to +225°F (−40°C to +107°C) −40°F to +250°F (−40°C to +121°C) retaining clip. Accessories Available in OEM Quantities: Jam Nut, Gaskets, and Slosh Shields. 3. LS-3N is an NSF certified product, for water use only. 4. LS-3F is an NSF certified product for all food contact. Miniature and Micro Floats for Tiny Tanks Our smallest LS-3 Series switches yet! Small yes, but with BIG performance. No other miniature float switches match our LS-3 specs. These units are ideal for potable water, medical devices and other compact appliances, such as printers. Gems proprietary float enables use in lighter-than-water fluids. Switches are made from FDA compliant materials. in (mm) † L1= Actuation Level (see chart below) Series LS-3 3/4 " Nylon LS-3 Micro Polypropylene Stem and Mounting Material Polypropylene2 Float Material Polypropylene (Solid) Buna-N Polypropylene (Hollow Notes: 1. Based on a liquid specific gravity of 1.0. 2. Utilizes a Kynar® retaining clip. A-2 Visit www.GemsSensors.com for most current information. LS-3 Series / p2of3 / 2022-02-11 Actuation Level1 7/16 " (11.1 mm) 11/16 " (17.5 mm) 3/8 " (9.5 mm) 2-3/32 (53.2) 1-9/16 (39.7) 1.1 (28) 3/4 (19) Min. Liquid Sp. Gravity 0.95 0.85 0.95 DIA. Pressure Max. @ 70°F (21°C) 100 psi (6.9 bar) 150 psi (10.3 bar) 50 psi (3 bar) Operating Temperature −40°F to +212°F (−40°C to +100°C) −40°F to +250°F (oil) (−40°C to +121°C [oil]) −40°F to +176°F (−40°C to +80°C) LS-3 3/4 " Dimensions - 3/4 " and Micro Series LS-3 3/4 " 17/32 (13.4) 1/8-27 NPT 1/2 " HEX L1† 1.75 (44.5) 1.25 (31.7) 5/8 (15.9) (15.9) Electrical Termination Lead Wires or Cable 1/8-27 NPT Lead Wire PVC Jacketed Lead Wires 24 " -26 " 1/8-27 NPT 3/8-16 UNC 5/8 DIA. Mounting Type Switch Logic N.C./N.O. Reverse Float Position N.O. N.C. N.O. N.C. 0.28 (7.1) Part Number 201540 177818 247135 247137 246985 246986 0.14 (3.6) LS-3 Micro 3/8-16 UNC JAM NUT (NYLON) GASKET (BUNA-N) 1.65 (41.9) L1† 1/8-27 NPT LS-3 Micro Mounting Type 1/8-27 NPT 1/8-27 NPT 3/8-16 UNC ISO 228 G 1/8 M12 × 1.75 1/8-27 NPT 3/8-16 UNC M12 × 1.75 1/8-27 NPT M12 × 1.75 1/8-27 NPT 3/8-16 UNC ISO 228 G 1/8 M12 × 1.75 1/8-27 NPT Electrical Termination Lead Wires Lead Wires Lead Wires Cable Cable Lead Wires Lead Wires Cable Lead Wires Cable Lead Wires Lead Wires Lead Wires Lead Wires Teflon® Jacketed Lead Wires Part Number 42295 142505 171517 171518 189739 116826 171514 189787 162745 189786 209475 209455 209460 209465 173250 - Stock Items. LEVEL SWITCHES - SINGLE POINThttps://www.gemssensors.com/ http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/42295 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/142505 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/171517 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/171518 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/189739 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/116826 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/171514 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/189787 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/162745 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/189786 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/209475 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/209455 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/209460 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/209465 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/173250 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/201540 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/177818 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/247135 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/247137 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/246985 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/246986 https://www.gemssensors.com/