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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 0.6 m / 19.7 ft
- Sensor response length: approx. 40 cm
- Sensor: Copper
- Permissible medium: Air
- IP65
88,38 €
incl. VAT 105,10 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
90,81 €
incl. VAT 107,91 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
- Permissible medium: Air
- IP65
93,35 €
incl. VAT 111,02 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 1.8 m / 26 ft
- Sensor response length: approx. 40 cm
- Sensor: Copper
- Permitted medium: air / water
- IP65
95,25 €
incl. VAT 113,30 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 0.6 m / 19.7 ft
- Sensor response length: approx. 40 cm
- Sensor: Copper
- Permissible medium: Air
- IP65
104,73 €
incl. VAT 124,49 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
111,76 €
incl. VAT 132,85 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
- Permissible medium: Air
- IP65
112,15 €
incl. VAT 133,43 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Switching differential: 2 ± 1 K (3.6 ± 1.8 °F)
- Capillary tube length: 1.8 m / 26 ft
- Sensor response length: approx. 40 cm
- Sensor: Copper
- Permissible medium: air / water
- IP65
114,94 €
incl. VAT 136,60 €
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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) / +14...+59 °F
- 2 ± 1 K (3.6 ± 1.8 °F)
- Changer
- 10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Thermowell: made of metal, material CuZn37 (2.0321), Ø 14 mm, NL = 205 mm
- IP65
128,66 €
incl. VAT 152,98 €
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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) / +14...+59 °F
- 2 ± 1 K (3.6 ± 1.8 °F)
- Changer
- 10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 24 V
- Thermowell: made of metal, material CuZn37 (2.0321), Ø 14 mm, NL = 205 mm
- IP65
145,04 €
incl. VAT 172,59 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
- Permissible medium: Air
- IP65
160,92 €
incl. VAT 191,32 €
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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) / +14...+59 °F
- Switching capacity:10 (2) A, AC 250 V; also switches signal voltages due to the gold-plated contacts < 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
- Permissible medium: Air
- IP65
177,29 €
incl. VAT 210,92 €
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THERMASREG® FS20-UW 3m LCD
1102-1012-2102-030
- 0...+15 °C / +32...+59 °F
- 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 temperature output (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
- +32...+59 °F / +32...+59 °F
- Hysteresis of the switching stage: 2K
- Capillary tube length: 3.0 m
- IP65
274,25 €
incl. VAT 326,31 €
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THERMASREG® FS20-UW-HE 3m LCD
1102-1012-2112-030
- 0...+15 °C / +32...+59 °F
- 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 temperature output (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
- +32...+59 °F / +32...+59 °F
- Hysteresis of the switching stage: 2K
- Capillary tube length: 3.0 m
- IP65
298,47 €
incl. VAT 355,09 €
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THERMASREG® FS20-UW 6m LCD
1102-1011-2102-030
- 0...+15 °C / +32...+59 °F
- 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 temperature output (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
- +32...+59 °F / +32...+59 °F
- Hysteresis of the switching stage: 2K
- Capillary tube length: 6.0 m
- IP65
322,17 €
incl. VAT 383,35 €
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THERMASREG® FS20-UW-HE 6m LCD
1102-1011-2112-030
- 0...+15 °C / +32...+59 °F
- 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 temperature output (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
- +32...+59 °F / +32...+59 °F
- Hysteresis of the switching stage: 2K
- Capillary tube length: 6.0 m
- IP65
347,57 €
incl. VAT 413,50 €
We also manufacture individually
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