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81539-000

SKU: 81539-000

Regular price ₹ 1,872.36
Sale price ₹ 1,872.36 Regular price
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Liquid Level Sensors VS804-21 Liquid Level Sensor

The TE CONNECTIVITY SENSORS VS804-21 Liquid Level Sensor (Part Number: 81539-000, COO: CN) is a reliable and compact device designed for precise liquid level detection in various applications. Certified RoHS compliant and utilizing a UL recognized reed switch, this sensor ensures durability and safety in demanding environments.

Key Features

  • Voltage rating up to 250VAC
  • Current rating up to 1.0 amp
  • Compact design with low profile
  • Optional cable lengths available
  • Includes mounting hardware for easy installation
  • Mounts into top or bottom wall of tanks using 1/2” NPT or M16 x 2.0 threaded fittings
  • Uses Ruthenium contact points for high reliability

Applications

  • Water and fuel storage tanks
  • Full and/or empty detection
  • Pump on/off controls
  • Marine bilge and ballast tanks
  • Flood detection and prevention
  • Coolant level indication
  • Irrigation systems and water treatment plants
  • Waste water tanks and livestock watering tanks

Product Specifications

Parameter Details & Options
Mounting Orientation Top/bottom entry
Fitting Internal or External
Switch Operation N.C. when float at bottom stop (SPST); N.O. when float is inverted (SPST)
Contact Forms Form A (SPST) or Form C (SPDT)
Contact Material Ruthenium
Housing and Float Material Glass filled nylon 6.6 (for oil, fuel, non-ionic liquids); Glass filled polypropylene (for aqueous media)
Electrical Connection 22 AWG 16/0.2mm PVC insulated, UL/CSA/BS6361, optional lengths of 0.5 m or 2.0 m
Ingress Protection IP68 (wetted surfaces), IP65 (non-wetted surfaces)
Operating Temperature -30°C to 130°C
Shock & Vibration ±50g, ±35g 0 – 500Hz
Certifications UL file E98428

Maximum Ratings

Parameter Model Type Min Max Units Notes/Conditions
DC contact voltage (SPST) VSx01 100 V Do not exceed 15W
DC contact current (SPST) 1 A
RMS contact voltage (SPST) 120 V
DC contact voltage (SPST) VSx09 200 V Do not exceed 70W
DC contact current (SPST) 1.0 A
RMS contact voltage (SPST) 250 V
RMS contact current (SPST) 1.0 A
DC contact voltage (SPDT) VSx04 170 V Do not exceed 5.0W
DC contact current (N.O. SPDT) 0.4 A
DC contact current (N.C. SPDT) 0.125 A
RMS contact voltage (SPDT) 125 V
RMS contact current (SPDT) 0.125 A

Dimensions & Mounting

The sensor features versatile mounting options, including top or bottom entry, with internal or external fittings. The float can be inverted to switch between normally open (N.O.) and normally closed (N.C.) configurations by removing and reorienting the float.

Product Details & Certifications

  • Housing and float materials are suitable for various liquids
  • Includes mounting hardware for secure installation
  • UL certified (UL file E98428)

For detailed specifications and installation guidelines, please refer to the datasheet.

Datasheet was not processed please search the internet for the part number for more details.


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