Specialists in pressure

Multi-range measuring transducers for pressure, differential pressure and volume flow

PREMASGARD 211x / 212x

Efficient, convenient and network-enabled

Elegant appearance, touch-operated interface, large display, and Modbus-compatible

RYMaskon

Multi-funtional duct sensor

For humidity, temperature, pressure, differential pressure and volume flow for monitoring and controlling heating, ventilation and air-conditioning systems

PREMASGARD® 814x-Modbus

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Electronic frost protection monitor

2-phase thermostat with continuous and switching output for reliable prevention of frost damages and freezing

THERMASREG® FS-20

Für jede Anwendung die richtige Lösung [Translate]

FST-K HR

THERMASREG® FST-K HR

Item No. 1102-1064-1100-000
EAN 4 251325 615509

Mechanical frost protection thermostat/ frost monitor THERMASREG® FST-K with switching output, duct tube monitored across the entire length, with automatic reset or with mechanical locking, with / without optional manual reset. The frost protector is suitable for air or water-side temperature monitoring at heat exchangers, water circulation systems and heating registers to prevent freezing up and to avoid frost damage, e.g. in ventilation and air conditioning ducts. The FST-K is intrinsically safe and is equipped with sensor breakage detection. In the event of damage to the capillary membrane system, the frost sensor automatically switches to the heating function. The scope of delivery includes the mounting flange MF-14-K.

114,20 € net
Operating difference 2 ± 1 K (3.6 ± 1.8 °F)
Switching capacity 10 (2) A, AC 250 V;
because of gold-plated switching contacts
also switching of signal voltages < 24 V
Contact dust-proof micro switch
as single-pole potential-free changeover contact
Reproducibility ± 0.5 K (± 0.9 °F)
Setting range –10...+15 °C/ +14 °F...+59 °F,
factory setting to w = +5 °C (+41 °F)
Ambient temperatures maximum operating temperature: +70 °C (+158 °F)
minimum operating temperature: w + min. +2 °C (min. +3.6 °F)
storage/ transport: –30...+70 °C (–22...+158 °F)
capillary: max. +150 °C (+302 °F)
Permissible medium Air
Process connection by mounting flange, plastic
(included in the scope of delivery)
Protective tube metal, material CuZn37 (2.0321),
Ø 14 mm, NL = 205 mm
Electrical connection 0.14 - 2.5 mm²
via terminal screws
Housing plastic, UV-stabilised,
material polyamide, 30 % glass-globe-reinforced,
colour traffic white (similar to RAL 9016)
Housing dimensions 108 x 70 x 73,5 mm (Thor 2)
Cable gland M 20 x 1.5; including strain relief
Resetting manual
Other materials mechanical sheet metal parts: galvanised steel
capillary tube: copper
capillary tube filling: R 507
switching contacts: Ag/ Ni (90%/ 10%) gold-plated (3 μm)
Protection class I (according to EN 60 730-1)
Protection type IP 65 (according to EN 60 529)
Standards CE conformity,
EMC directive 2014/ 30/ EU,
low-voltage directive 2014/ 35/ EU
Function Contact C - 2: danger of frost/ sensor breakage
Contact C - 3: normal operation
Type Item No. Price
KRD-04 Capillary tube gland bracket Capillary tube gland bracket for FST and MWTF/MWTM for installation in ducts / sheet metal walls 7100-0030-7000-000 7,52 €
MK-05-K Mounting brackets, plastic Plastic mounting brackets 7100-0034-1000-000 8,33 €
TH-MS-01 Immersion sleeves, Brass 7100-0011-5402-000 13,11 €
TH-VA-02 Immersion sleeves, Stainless steel 7100-0012-5402-000 34,37 €

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