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LEVEL SWITCHES – SINGLE POINT
Materials
Series
Number
Stem and
Mounting Float Min. Liquid
Sp. Gr. Operating Temperature Pressure,
PSI, Max. Switch1Part
Number
LS-1950 316 Stainless Steel 0.75 -40°F to +300°F (-40°C to +149°C) 750
SPST, 20 VA 01950
SPST, 100 VA226717
-40°F to +480°F (-40°C to +249°C) SPST, 20 VA 79999
2-1/16" DIA.
(52.4 mm)
1/4" NPT
2-3/4"
(69.8 mm)
1-3/32"
(27.8mm)†
3-3/8"
(85.7 mm)
5/8" HEX
(15.9 mm)
NORM. OPEN
NORM. CLOSED
5/8"
(15.9 mm)
Large Size – Alloys
LS-1950 – All Stainless Steel For High Pressure
and Temperature
For high performance applications, the LS-1950 provides high tempera-
ture and pressure capabilities. Materials of construction comply with
FDA food contact regulations.
Exceptionally accurate and rugged for higher
temperatures and in pressurized or corrosive liquids.
For oils, water and chemicals.
Dimensions
† L 1= Switch actuation level, nominal (based on a liquid specific gravity of 1.0 and N.O. dry circuit – dimension will vary for N.C. circuit).
Common Specifications
Electrical Termination: No. 18 AWG, 24˝ L., Polymeric Lead Wires
(except Part No. 79999 which has Teflon® lead wires).
Approvals: LS-1950 Series switches are U.L. Recognized – File No. E45168
and are CSA Listed - File No. 30200 (Part No. 79999 is U.L. Recognized only).
Switch Operation: Selectable, N.O. or N.C., by inverting float on unit stem.
Units are shipped N.O. unless otherwise specified.
How to Order – Select Part Number based on specifications required.
Notes
1. See “Electrical Data” on Page X-5 for more information.
2. UL Resistive Rated
– Stock Items.
