Barksdale

UNS-VA 1/4 NPT-K1-VA52 (Formerly BLS 1950 Series)

  • 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
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arksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems.
UNS-VA 1/4 NPT-VA52 Level Switches are ideal for general level measurement in tanks or containers, and have a 2-1/16" diameter stainless steel float with 100 VA reed switch for high-current switching. These IP54-rated switches feature a large float displacement and are suitable for rugged service and use in high viscosity liquids. Switch polarity on all models can be changed from normally-open to normally-closed by simply rotating the float 180 degrees. For your level switching and control needs requiring only a single float, Barksdale's UNS Series Level Switches are the ideal solution.

Specifications

General Specifications*

Switch Rating:
SPST:
SPDT:
250 V AC/DC; 3.0 A / 100 VA/W
140 V AC/DC / 1.0 A / 60 VA/W
Switch Configuration: Shipped as normally open as standard. Can be changed to normally closed by rotating fl oat 180°
Contact Mode*: 1 – SPST-switch (NO)
2 – SPST-switch (NC)
3 – SPDT-switch
Wetted Parts:
Stem:
Float:
Mounting:
316 stainless steel (VA)
316 stainless steel (VA)
1/4” NPT male
Electrical Connection: PVC-cable – max 3 x 0.34mm2
1m/3m/5m length
Minimum Specific Gravity:
Stainless Steel Float:
0.78
Protection Class: IP54
Approvals:
UL/CSA:
Pending
Operating Temperature:
Option/ High Temp:
14° to +220°F (-10° to +105°C), PVC-cable
-40° to +302°F (-40° to +150°C), silicone cable (-HT), cable consult factory
Operating Pressure:
Stainless Steel Float:
580 psig (40 bar)
Weight: Approx. 150 grams (5.3 oz.)

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