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Thermostats

STW / STB Safety strap-on thermostats

Self- monitoring sensor systems for temperature monitoring and limiting tasks, e.g., for floor-heating applications.

Overview

STW / STB Safety strap-on thermostats are used in self- monitoring sensor systems for temperature monitoring and limiting tasks, e.g., for floor-heating applications.If the sensor is damaged, i.e., if the expansion fluid in the capillary tube leaks, the strap-on thermostat responds as though the temperature has exceeded the set-point and will thus switch to the safety setting (e.g., will switch off the circulation pump).To ensure reliable functioning, the surface of thepipe must be thoroughly cleaned of contamination, rust, paint, etc. Each thermostat is delivered together with a strap allowing attachment to pipes having a diameter of up to 100 mm. Additionally, the thermostat can be mounted to walls using the capillary. An optional immersion well allows use as an immersion sensor. This demonstrates the great versatility of this innovative device, which is also reflected in the small quantity of stock kept on hand by customers. Among the innovative features of this device are its automatic temperature compensation and the Push-In® contacts for quick wiring. The devices are CE-approved and certified according to Pressure Equipment Directive DIN EN14597.

Certifications:
  • CE, UL, PED, DIN EN 14597
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Document Title
Document Type
File Size
Product Number
Image
SKU
Description
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R1/MS
Immersion Tube, Nickel-Plated Brass, G 12in, 25 Bar, 135mm Depth, 151mm Length
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STB+TR
Immersion safety temperature limiter and monitor; external setting range: 30...110 °C; 150mm, external reset
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STB+TW
Immersion safety temperature limiter and monitor; internal setting range: 30...110 °C; 150mm
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STB1
Immersion safety temperature limiter; internal setting range: 20...150 °C; 150mm; external reset
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STB2080
Safety strap on temperature limiter; automatic reset; setting range: 20...80 °C; 16(2.5)A 250VA; IP54
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STB70130
Safety strap on temperature limiter; automatic reset; setting range: 70…130 °C; 16(2.5)A 250VA; IP54
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STG12-100
Immersion well for STWSTB thermostats, G 12, 100 mm, ø 8 mm, brass, nickel-plated
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STW+TR
Immersion safety temperature monitor and controller; external setting range: 20...150 °C; 150mm
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STW1
Immersion safety temperature monitor; internal setting range: 20...150 °C; 150mm
alt
STW2080
Safety strap on temperature monitor; automatic reset; setting range: 20...80 °C; 16(2.5)A 250VA; IP54
Image
SKU
Description
alt
R1/MS
Immersion Tube, Nickel-Plated Brass, G 12in, 25 Bar, 135mm Depth, 151mm Length
alt
STB+TR
Immersion safety temperature limiter and monitor; external setting range: 30...110 °C; 150mm, external reset
alt
STB+TW
Immersion safety temperature limiter and monitor; internal setting range: 30...110 °C; 150mm
alt
STB1
Immersion safety temperature limiter; internal setting range: 20...150 °C; 150mm; external reset
alt
STB2080
Safety strap on temperature limiter; automatic reset; setting range: 20...80 °C; 16(2.5)A 250VA; IP54
alt
STB70130
Safety strap on temperature limiter; automatic reset; setting range: 70…130 °C; 16(2.5)A 250VA; IP54
alt
STG12-100
Immersion well for STWSTB thermostats, G 12, 100 mm, ø 8 mm, brass, nickel-plated
alt
STW+TR
Immersion safety temperature monitor and controller; external setting range: 20...150 °C; 150mm
alt
STW1
Immersion safety temperature monitor; internal setting range: 20...150 °C; 150mm
alt
STW2080
Safety strap on temperature monitor; automatic reset; setting range: 20...80 °C; 16(2.5)A 250VA; IP54