FLOAT TYPE LS-77700 Series - Bent Stem Switches Provide Greatest Buoyancy Of Any Side Mount Version These units perform in liquids with specific gravities as low as 0.45; switches protrude into tank less than 3 inches. Dimensions Type I - 1/8-27 NPT Thread (12.7) HEX 1-3/4 (44.5) 1/8-27 NPT 1/2 3/8-24 UNF-2A 3/4 (19.0) Type II - 3/8-24 UNF-2A Thread HEX 1-3/4 (44.5) 3/4 (19.0) L1 L1 BUNA-N FLOAT 15/16 (23.8) in (mm) L1 1 (25.4) DIA. Dimension (based on liquid specific gravity of 1.0): Buna-N Float: 2-3/8 " (60.3 mm) ± 3/16 " Stainless Steel Float: 2 " (50.8 mm) ± 3/16 " Common Specifications Electrical Termination: 22 AWG, 24 " L., Teflon® Approvals: U.L. Recognized - File No. E45168 RoHS - In compliance with EU-directive 2011/65/EC requirements for chemicals and substances. Switch* SPST: 20 VA, 120-240 VAC. Switch is N.O. (Dry), but available N.C. (Dry). Mounting Attitude: Vertical ± 30°. Other Wetted Materials: Float Stop is Berylium Copper or PH-15-7-MO Stainless Steel. Grooved Stem Option: Stem may be grooved to prevent accidental or vibrational movement of float stops (grip rings). How To Order - Select Part Number based on specifications required. Materials Type I Brass Buna-N Stainless Steel Brass II Brass Buna-N Stainless Steel *See " Electrical Data " on Page X-5 for more information. - Stock Items. 0.45 Water: to 180°F (82.2°C) Oil: −40°F to +300°F (−40°C to +149°C) 300 psi (20.7 bar) 316 Stainless Steel 0.70 316 Stainless Steel −40°F to +300°F (−40°C to +149°C) 0.45 Water: to 180°F (82°C) Oil: −40°F to +300°F (−40°C to +149°C) 300 psi (20.7 bar) 100 psi (6.9 bar) Stem and Mounting Brass Float 316 Stainless Steel 0.70 316 Stainless Steel −40°F to +300°F (−40°C to +149°C) Min. Liquid Sp. Gr. Operating Temperature Pressure, PSI, Max. 100 psi (6.9 bar) Part Number 117711 117712 118125 118126 117715 117716 118127 118128 Shown with Buna-N float. Threads into NPT boss. Shown with stainless steel float. Mounts directly through tank wall. Lead Wires 1-1/2 (38.1) DIA. 3-1/4 (82.6) 316 SS FLOAT 1 (25.4) 3-1/4 (82.6) Type ll version shown. O O Ro HS ® Ro HS ® Typical Wiring Diagram RED RED N.O. DRY (N.C. DRY AVAILABLE) When mounted " stem up, " units are N.C. dry. Typical Installation Type I Type II LS-77700 Series / p1o1 / 2022-02-11 Visit www.GemsSensors.com for most current information. A-9 LEVEL SWITCHES - SINGLE POINT G G T T E E N N M M A A S S I I C C M M P P L Lhttps://www.gemssensors.com/ http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/117711 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/117712 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/118125 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/118126 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/117715 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/117716 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/118127 http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/118128 https://www.gemssensors.com/