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.

°C
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
91,03 €

incl. VAT 108,32 €
°C
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
93,53 €

incl. VAT 111,20 €
°C
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
96,15 €

incl. VAT 114,39 €
°C
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
98,11 €

incl. VAT 116,73 €
°C
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
107,87 €

incl. VAT 128,20 €
°C
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
115,11 €

incl. VAT 136,96 €
°C
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
115,51 €

incl. VAT 137,36 €
°C
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
118,39 €

incl. VAT 140,81 €
°C
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
132,52 €

incl. VAT 157,60 €
°C
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
149,39 €

incl. VAT 177,70 €
°C
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
165,75 €

incl. VAT 197,10 €
°C
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
182,61 €

incl. VAT 217,19 €
°C
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
282,48 €

incl. VAT 336,06 €
°C
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
307,42 €

incl. VAT 365,75 €
°C
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
331,84 €

incl. VAT 394,73 €
°C
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
358,00 €

incl. VAT 426,02 €

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