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Frost protection thermostats
Our THERMASREG® frost protection thermostats/frost protection monitors are used to monitor air conditioning systems, heat exchangers and heating registers and reliably protect against frost damage.
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THERMASREG® FST-8D
1102-1024-0102-000
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 0.6 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$99.87
$118.68
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THERMASREG® FST-5D
1102-1022-0102-000
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 3.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permissible medium: Air
- IP65
$102.62
$122.00
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THERMASREG® FST-1D
1102-1021-0102-000
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 6.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$105.49
$125.44
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THERMASREG® FST-3D
1102-1023-0102-000
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 1.8 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air / water
- IP65
$107.63
$127.96
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THERMASREG® FST-8D-HR
1102-1024-1102-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 0.6 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permissible medium: Air
- IP65
$118.34
$140.76
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THERMASREG® FST-5D-HR
1102-1022-1102-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 3.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$126.29
$150.23
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THERMASREG® FST-1D-HR
1102-1021-1102-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 6.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$126.73
$150.67
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THERMASREG® FST-3D-HR
1102-1023-1102-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 1.8 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air / water
- IP65
$129.88
$154.39
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THERMASREG® FST-K
1102-1064-0100-001
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - 2 ± 1 K (3.6 ± 1.8 °F)
- Changeover contact
- 10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Protection tube:
made of metal, material CuZn37 (2.0321),
Ø 14 mm, NL = 205 mm - IP65
$145.39
$172.94
- Temperature monitor (automatic switching)
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THERMASREG® FST-K HR
1102-1064-1100-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - 2 ± 1 K (3.6 ± 1.8 °F)
- Changeover contact
- 10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Protection tube:
made of metal, material CuZn37 (2.0321),
Ø 14 mm, NL = 205 mm - IP65
$163.90
$194.87
- Temperature limiter (with manual reset)
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THERMASREG® FST-7D
1102-1025-0102-000
- Temperature monitor (automatic switching)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 12.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$181.84
$216.23
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THERMASREG® FST-7D-HR
1102-1025-1102-000
- Temperature limiter (with manual reset)
- -10...+15 °C/ +14...+59 °F,
Factory setting w = +5 °C (+41 °F) - Switching capacity:
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V - Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 12.0 m
- Sensor response length: approx. 40 cm
- Sensor: copper
- Permitted medium: Air
- IP65
$200.34
$238.34
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THERMASREG® FS20-UW 3m LCD
1102-1012-2102-030
- 0...+15 °C
- typically ± 1 K (at +10 °C)
- 1 x 0 -10 V control input DDC
1 x 0 -10 V cascading input - 1 x 0 -10 V output Temperature (corresponds to 0...+15 °C)
1 x 0 -10 V valve output
(frost signal with control voltage and cascading)
1 x potential-free changeover contact (24 V), setting range 0...+15 °C - Hysteresis of the switching stage: 2K
- Capillary tube length: 3.0 m
- IP65
$309.90
$368.61
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THERMASREG® FS20-UW-HE 3m LCD
1102-1012-2112-030
- 0...+15 °C
- typically ± 1 K (at +10 °C)
- 1 x 0 -10 V control input DDC
1 x 0 -10 V cascading input - 1 x 0 -10 V output Temperature (corresponds to 0...+15 °C)
1 x 0 -10 V valve output
(frost signal with control voltage and cascading)
1 x potential-free changeover contact (24 V), setting range 0...+15 °C - Hysteresis of the switching stage: 2K
- Capillary tube length: 3.0 m
- IP65
$337.27
$401.30
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THERMASREG® FS20-UW 6m LCD
1102-1011-2102-030
- 0...+15 °C
- typically ± 1 K (at +10 °C)
- 1 x 0 -10 V control input DDC
1 x 0 -10 V cascading input - 1 x 0 -10 V output Temperature (corresponds to 0...+15 °C)
1 x 0 -10 V valve output
(frost signal with control voltage and cascading)
1 x potential-free changeover contact (24 V), setting range 0...+15 °C - Hysteresis of the switching stage: 2K
- Capillary tube length: 6.0 m
- IP65
$364.05
$433.21
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THERMASREG® FS20-UW-HE 6m LCD
1102-1011-2112-030
- 0...+15 °C
- typically ± 1 K (at +10 °C)
- 1 x 0 -10 V control input DDC
1 x 0 -10 V cascading input - 1 x 0 -10 V output Temperature (corresponds to 0...+15 °C)
1 x 0 -10 V valve output
(frost signal with control voltage and cascading)
1 x potential-free changeover contact (24 V), setting range 0...+15 °C - Hysteresis of the switching stage: 2K
- Capillary tube length: 6.0 m
- IP65
$392.75
$467.23
We also manufacture individually
Do you have special requirements?As a manufacturer with our own production facilities in Germany, we are always in a position to produce products outside the standard range.
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