UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT from Barksdale

UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT from BarksdaleThe Barksdale Stainless Steel Level Switch (Series UNS-VA 1/8-VA27) delivers rugged, reliable single-point level detection in demanding applications. Constructed with a stainless-steel stem and float, it features a 1/8" NPT mounting thread and a hermetically sealed single-switch contact, allowing for either top or bottom insertion into tanks or reservoirs. Ideal for general industrial use — including water tanks, process vessels, and storage containers — this switch offers excellent durability, corrosion resistance, and simple installation with no calibration required.

Features

UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Features

  • Compact size for easy installation
  • Ideal for small tanks & vessels
  • Reversible switch logic
  • Broad media compatibility
  • All models incorporate hermetically sealed, magnetically actuated reed switches

Specifications

UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Specifications

SpecificationDetails
Switch Rating
SPST230 VAC/DC; 2 A; 40 VA/W
SPDT150 VAC / 100 VDC; 0.2 A; 3 VA/W
Switch ConfigurationShipped as normally open as standard. Can be changed to normally closed by rotating float 180°.
Contact Mode*1 – SPST-switch (NO)2 – SPST-switch (NC)3 – SPDT-switch
Wetted Parts
Stem316 stainless steel (VA)
Float316 stainless steel (VA)
Mounting1/8" NPT male
Electrical ConnectionPVC cable max 3 × 0.34 mm2, length options: 1 m / 3 m / 5 m
Minimum Specific GravityStainless Steel Float: 0.71 g/cm3
Protection ClassIP54
ApprovalsUL/CSA: Pending
Operating Temperature14 °F to +220 °F (–10 °C to +105 °C), PVC cable
Option / High Temp–40 °F to +302 °F (–40 °C to +150 °C), silicone cable (–HT), consult factory
Operating PressureStainless Steel Floats: 220 psig (15 bar)
WeightApprox. 90 grams (3.2 oz.)

Applications

UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Applications

  • Sump tanks
  • Hydraulic power units
  • Storage tanks
  • Solvent recovery systems
  • Lube oil console systems
  • Marine applications

Q & A

Q&A Section with Expand/Collapse Icons

UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Q & A

+ What types of media can the UNS-VA 1/8-VA27 level switch monitor?
The switch is made with a 316 stainless steel stem and float, suited for general-industrial liquids including water, oils, and process fluids. Its stainless construction supports corrosion-resistance for many media.
+ What is the mounting thread and connection size?
It uses a 1/8″ NPT male mounting thread.
+ Can the switch logic (NO/NC) be changed?
Yes — shipped as normally open (NO) by default, but you can rotate the float 180° to achieve normally closed (NC).
+ What are the electrical ratings for the switch?
For SPST: 230 V AC/DC at 2 A (40 VA/W). For SPDT: 150 V AC / 100 V DC at 0.2 A (3 VA/W).
+ What is the minimum specific gravity the float will operate at?

The minimum fluid specific gravity is approximately 0.71 g/cm3 for the stainless-steel float version.

Downloads

Download Barksdale UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Datasheet

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