Temperature Switch
STW Series

Stauff_Temp Switch_STW

Product Description
The STW mechanical temperature switch is available in a variety of temperature ranges. This unit features a bimetallic fixed set point, which is indicated at the time of order. The electrical connector of the STW is designed to rotate in order to face the cable clamp into whatever position desired after installation.

Features

  • Normally open and normally closed switching function
  • Fixed set points from 140°F (60°C) up to 176°F (80°C)
  • 1/4" NPT process connection
  • Brass body

Options

  • Fixed set points from 86°F (30°C) up to 221°F (105°C)
  • 1/8" NPT, 1/4" BSP, and 1/2" BSP process connections

 

Specifications

Materials Body Brass
Connector Nylon 6.6
Max Voltage   250 VAC
Current     10 A at 240 VAC
5 A at 24 VDC
10 A at 12 VDC
Switching Outputs Switching Function Normally Closed (NC), Normally Open (NO), or SPDT
Accuracy   ±9°F (±5°C)
Max Temperature   266°F (130°C)
Max Pressure   2,175 PSI (150 bar)
Process Connection   1/8" NPT, 1/4" NPT, G1/4", G1/2"
Protection Class   IP65 With 43650 Connector

 

Temperature Switch
STC Series

Stauff_Temp Switch_STC

Product Description
The STC temperature transmitter is designed for in process temperature measurement in low pressures. This unit features an all stainless steel construction, a 50mm or 100mm stem length with 1/4 NPT process connection, and a 4-20mA output. The user can select the exact temperature range they require at time of order, or they can select a fixed temperature range.

Features

  • Stainless steel construction
  • 4-20mA output
  • Customer specified temperature range -58°F to +392°F (-50 to +200°C)
  • L-Plug DIN 175301-803A electrical connection
  • Environmental protection rating of IP 65
  • 1/4 NPT process connection
  • 50mm and 100mm stem lengths

Options

  • 0-10 V available output
  • 0-50°C, 0-100°C, and 0-120°C fixed measuring ranges available
  • M12x1 electrical connection available
  • 1/2 NPT, 1/4 BSP, and 1/2 BSP available thread connections
  • 75mm, 100mm, 160mm, and 200mm stem lengths available (custom upon request)
  • Available with an adjustable compression ring version for variable stem length

 

 

Specifications

Materials Housing Stainless Steel 1.4571 (316 Ti)
Process Connection
Stem
Output Signal and
Supply Voltage
    Signal Output Supply Voltage
4-20mA, 2 wire 10-30 V DC, ripple <10%
0-10 V, 3 wire 12-30 V DC, ripple <10%
Error Signal    23mA Sensor Burnout
3.3 mA Sensor Short Circuit
Accuracy STC-0/XXX 0.5% of Measuring Range
STC-MIN/MAX 0.2% (Related to Maximum Temperature Range)
Temperature Range   -58°F up to 392°F (-50°C up to +200°C)
Measuring Range
(selected range)
  Minimum Range Maximum Range
STC-0/XXX 50k 250k
STC-MIN/MAX 30K Temperature Range
Thread Connections   1/4 NPT, 1/2 NPT, 1/4 BSP, and 1/2 BSP
Electrical Connections    L-Plug acc. To DIN EN 175301-803 form A
M12x1, 4-pin
Stem Length and
Pressure Ranges¹
STC-0/XXX 50 to 500 mm: up to 580 PSI [40 BAR]
STC-MIN/MAX 50 to 1,000 mm: up to 580 PSI [40 BAR]
Ambient Temperature   185°F [85°C] Max
Storage Temperature   -40°F up to 185°F [-40°C up to +85°C]
EMC-Resistance    Emitted Interference acc. DIN EN 61326
Breakdown Effect acc. To DIN EN 61326
Protection Class    IP 65 with L-Plug Connection
IP 67 with M12x1 Connection
Weight   Approx 0.31lbs (0.14 kg) (Dependant on Stem Length)

¹ - Pressure ranges refer to static pressure.