• Telescopic Design: Expandable to various length in one unit – field adjustable
  • Compact design
  • NEMA 4, IP65
  • Dual function: Level/Temp
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The UNS1000-BN18-TC is a top mount level switch that offers a choice of two different process connections, with an optional temperature sensor. The telescopic design offers 3 different field adjustable range lengths (7.4” to 10.2”), (9.9 “to 15”) and (14.7” to 24.8”). The brass stem and Buna-N float ensure broad chemical compatibility and are ideal for most hydraulic oils and water. The telescopic level switches have performed in applications such as HPU systems, Power pack and as temperature and level shut-off for safely control.


General Specifications*

Wetted Materials:
Process Connection:
Float Stopper:
Foamed NBR (BUNA)
System of protection: IP65
Process connection:
Male thread (top mount):
1” NPT = T1NPT
G1/2“ metric = T1/2
Electrical connection: Cable ø 4 x 0.25 mm2
Cable gland, PA
Electrical values: Max. 24 V AC / DC
Max. 1 A
Max. 20 VA / W
Operating temperature: 14 °F to 194 °F (-10 °C to +90 °C)
Operating pressure: Atmospheric
Density: Min. 0.64 g/cm3
Depth of Immersion at Density 1: 0.59 ±0.08 inch (15 ±2 mm)
Temperature switch:
Temperature Range**:
Indexing Tolerance:
Differential Gap:
Bimetal construction
140°F (+60°C) (Std)
±5 K
30 ±15 K
NC position only (the contact is closed at
room temperature)
Switching points:
1 float for 1 switching point, normally open
1 temperature sensor for 1 switching point,
normally closed.
* See Product Configurator for additional options.
** Other temperature ranges available upon request.


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