Temperature Controller Switch
STWE Series

Stauff_Temp Controller Switch_STWE


Product Description
The STWE temperature switch features an LED display to provide continuous temperature monitoring, and allows the operator to easily adjust set and reset points by using the two programming buttons located on the display
face on the unit. The display face can be rotated up to 330° to offer the best possible viewing position in any application.


  • Stainless steel construction
  • LED display, and easy programming of set points
  • Two switching outputs
  • -58°F...+257°F (-50°C...+125°C) Temperature Range
  • 1/4 NPT thread connection
  • 100mm stem length
  • LED display rotates up to 330°


  • 1/2 NPT, 1/4 BSP, and 1/2 BSP available thread connections
  • Temperature ranges available from -328°F...+1,112°F (-200°C...+600°C)
  • One switching output and one analog output



Materials Housing Stainless Steel
Process Connection Stainless Steel
Supply Voltage   12...30 V DC, Protection From Reverse Polarity and Overload
Power Consumption   ≤ 50 mA, Without Load Current
Switching Outputs Switching Function Normally Closed (NC) or Normally Open (NO)
Power Rating 100 mA per Switch Output
Adjustment Set point 0.1° Steps Within Temperature Range
Reset Point 0.1° Steps Within Temperature Range up to (Set Point - 0.1°)
Analogue Output Signal 4...20 mA, 3-wire
Load Resistance R = Us - 7V/0.022A
Accuracy   Accuracy of PT100 Sensing Element + 0.1% of Temperature Range
Repeatability   0.05%
Temperature Ranges   -58...+257°F (-50...+125°C)
-58...+392°F (-50...+200°C)
+32...+752°F (-0...+400°C)
+32...+1,112°F (-0...+600°C)
-328...+1,112°F (-200...+600°C)
Stem Length and Working Pressure Standard ø6 x 50mm Stem Length, Up to 580 PSI (40 BAR)
  Additional Stem Lengths Available Upon Request
Thread Connections   1/4 NPT, 1/2 NPT, 1/4 BSP, and 1/2 BSP
Electrical Connections   M12x1, 4-pin
Protection Class   IP65 According to IEC 529
Temperature Ranges Storage -22...176°F (-30...+80°C)
Ambient -13...158°F (-25...+70°C)
Tk 0.1% of Measuring Range per 10 K
Display   7-segments, LED Display, Red, 7.6mm high
EMC to IEC / EN 61 326   IEC 61000 / 4 / 2 ESD: B
IEC 61000 / 4 / 3 HF Radiated: A
IEC 61000 / 4 / 4 Burst: A
IEC 61000 / 4 / 5 Surge: A
IEC 61000 / 4 / 6 HF Mains Borne: A
Weight   Approx 0.3 kg/0.7lbs (Dependent on Stem Length)