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
Frost protection thermostat

THERMASREG® FST-8D

1102-1024-0102-000
Temperature monitors (self-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
Permissible medium: Air
IP65
$102.86
°C
Frost protection thermostat

THERMASREG® FST-5D

1102-1022-0102-000
Temperature controller (self-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
$105.69
°C
Frost protection thermostat

THERMASREG® FST-1D

1102-1021-0102-000
Temperature switches (self-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
Sensing response length: approx. 40 cm
Sensor: Copper
Permitted medium: Air
IP65
$108.65
°C
Frost protection thermostat

THERMASREG® FST-3D

1102-1023-0102-000
Temperature controllers (independently switching)
–10...+15 °C/ +14...+59 °F,
factory setting w = +5 °C (+41 °F)
Switching output:
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
Sensing response length: approx. 40 cm
Sensor: Copper
Permissible medium: Air / Water
IP65
$110.86
°C
Frost protection thermostat

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
Sensing response length: approx. 40 cm
Sensor: copper
Permissible medium: air
IP65
$121.89
°C
Frost protection thermostat

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;
because of 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
$130.07
°C
Frost protection thermostat

THERMASREG® FST-1D-HR

1102-1021-1102-000
Temperature limit switch (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
Permissible medium: air
IP65
$130.53
°C
Frost protection thermostat

THERMASREG® FST-3D-HR

1102-1023-1102-000
Temperature limiters (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
Sensing response length: approx. 40 cm
Sensor: copper
Permissible medium: air / water
IP65
$133.78
°C
Duct frost protection thermostat

THERMASREG® FST-K

1102-1064-0100-001
Temperature controllers (independently 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
Protective tube:
made of metal, material CuZn37 (2.0321),
Ø 14 mm, NL = 205 mm
IP65
$149.75
°C
Duct frost protection thermostat

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 switch
10 (2) A, AC 250 V;
due to the gold-plated contacts also
switching of signal voltages < 24 V
Protective tube:
made of metal, material CuZn37 (2.0321),
Ø 14 mm, L = 205 mm
IP65
$168.81
°C
Frost protection thermostat

THERMASREG® FST-7D

1102-1025-0102-000
Temperature controllers (independently switching)
–10...+15 °C/ +14...+59 °F,
factory setting w = +5 °C (+41 °F)
Switching capacity:
10 (2) A, AC 250 V;
also for switching of signal voltages < 24 V due to the gold-plated contacts
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
$187.30
°C
Frost protection thermostat

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
Sensing response length: approx. 40 cm
Sensor: Copper
Permissible medium: Air
IP65
$206.35
°C
2-phase frost protection thermostat

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 cascade 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 cascade)
1 x volt-free changeover contact (24 V), setpoint range 0...+15 °C
Hysteresis of switching stage: 2K
Capillary tube length: 3.0 m
IP65
$319.20
°C
2-phase frost protection thermostat

THERMASREG® FS20-UW-HE 3m LCD

1102-1012-2112-030
0...+15 °C
typ. ± 1 K (at +10 °C)
1 x 0 -10 V control input for DDC
1 x 0 -10 V cascade 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 cascade)
1 x volt-free changeover contact (24 V), setting range 0...+15 °C
Hysteresis of the switching stage: 2K
Capillary tube length: 3.0 m
IP65
$347.38
°C
2-phase frost protection thermostat

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 cascade 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 cascade connection)
1 x volt-free changeover contact (24 V), setpoint range 0...+15 °C
Hysteresis of the switching stage: 2K
Capillary tube length: 6.0 m
IP65
$374.98
°C
2-phase frost protection thermostat

THERMASREG® FS20-UW-HE 6m LCD

1102-1011-2112-030
0...+15 °C
typical ± 1 K (at +10 °C)
1 x 0 -10 V control input DDC
1 x 0 -10 V cascade 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 volt-free changeover contact (24 V), setpoint range 0...+15 °C
Hysteresis of the switching stage: 2K
Capillary tube length: 6.0 m
IP65
$404.54

We also manufacture individually

Do you have special requirements? As a manufacturer with our own production facilities in Germany, we are also able to produce products outside of the standard range at any time.

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