Small Size – Alloys
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Small Size – Alloys Rugged Durability, With Broad Heat and Pressure Capabilities, are Hallmarks of These Compact Switches Ideal for shallow tanks or restricted spaces, or for low-cost, high volume use. LEVEL SWITCHES – SINGLE POINT LS-1700 Series – Buna N Float LS-1700 Series – Teflon® Float LS-1750 Series – All Stainless Steel Offer broad chemical compatibility for general purpose use. Also ideal for oils and water. FLAT WASHER Stainless Steel Float and Stem 1/8" NPT Teflon® Float Rugged construction suitable for most corrosive liquids, and for high temperatures and pressures. Stainless steel is generally recognized as safe (GRAS) with FDA for food contact regulations. LS-1755 Series – All Stainless Steel †L1= Switch actuation level, nominal (based on a liquid specific gravity of 1.0). Common Specifications Electrical Termination: No. 22 AWG, 24˝ L., Polymeric Lead Wires, (except Part No. 79990 which has Teflon® Lead Wires). Approvals: Series Nos. LS-1700, LS-1750 and LS-1755 are U.L. Recognized – File No. E45168 and CSA Listed – File No. 30200. RoHS – In compliance with EU-directive 2011/65/EC requirements for chemicals and substances. Switch Operation: Units are shipped N.O. unless otherwise specified. Selectable, N.O. or N.C., by inverting float on unit stem (except for LS-1700 Series switches with Teflon® Floats; see selection in “How to Order” table). How To Order – Select Part Number based on specifications required. Material Series Number Stem and Mounting Brass Other Wetted Operating Temperature Switch* SPST Part Number * See “Electrical Data” on Page X-5 for more information. ** Higher pressures are temperature dependent. Visit www.GemsSensors.com for most current information. 1   Subject to technical changes.