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ALRE JTF

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ALRE JTF Thermostat

ALRE JTF Thermostat
ALRE JTF Thermostat
ALRE JTF Thermostat
ALRE JTF Thermostat

The JTF is a fail-safe frost protection thermostat. The device has been specially designed for anti freezing protection purposes. It detects the temperatures in air or water flows around or inside of warm water heating spirals and heat exchangers in ventilation-, heating- and/or air conditioning systems and triggers the corresponding control commands. With this thermostat, the adjusted set value can be protected against misadjustment by applying a lead seal. All devices of this series have been tested and certified by the TÜV (Association for Technical Inspection) in compliance with DIN EN 14597

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Made in Germany. brand ALRE, model JTF

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

price by request

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Technical specifications of ALRE JTF

  • Switching voltage: 24V~ … 250V~, 50/60Hz
  • Switching current: 15(8)A, at 24V~ min.150mA (self-cleaning contacts)
  • Contacts: 1 or 2 potential-free changeover contact(s)
  • Protection class: I
  • Type of contact: TW = type 2.B
  • TB = type 2.B.J.V
  • Degree of protection: see delivery range (section 6.)
  • Ambient temperature: -9 … +55°C,
  • Caution: Make sure to comply with the information in above section 3., “Mounting / installation conditions / maintenance”!
  • Setting range: -10 … +12°C, factory setting 5°C (with 2-stage thermostats on the 2nd stage)
  • Accuracy: ± 2K
  • Switching differential: see delivery range
  • Temperature at the sensor: max. 200°C
  • Sensor material: copper
  • Housing: made of galvanized sheet steel, cover made of ABS
  • Weight: 1-stage type: approx. 660g, 2-stage type: approx. 720g
  • Energy efficiency class: I (contribution to seasonal space heating energy efficiency 1%)
  • Physical and toxicological characteristics of the expansion agent used: not health-hazardous, not inflammable, and environmentally safe.
Type

 

 Length of capillary  tube Degree of protection  Switching differential
1.Stage 2.Stage
JTF-1 / 12m / TW    12.0 m IP40 ca.1K –
JTF-1 / TW 6.0m IP40 ca.1K –
JTF-1W / TW 6.0m IP65 ca.1K –
JTF-2 / TB 6.0m IP40 FT* –
JTF-2 / 12m / TB    12.0 m IP40 FT* –
JTF-2W / TB 6.0m IP65 FT** –
JTF-3 / TW

 

 1 ,8m with sensor  ∅ 9.6 x 122mm IP40 ca.1K –
JTF-3W / TW

 

 1 ,8m with sensor  ∅ 9.6 x 122mm IP65 ca.1K –
JTF-4 / TW

 

 1 ,8m with sensor  ∅ 9.6 x 122mm IP40 FT* –
JTF-5 / TW 3.0m IP40 ca.1K –
JTF-6 / TB 3.0m IP40 FT* –
JTF-21 / 12m / TB    12.0 m IP40 ca.1K ca.1K
JTF-21 / TW 6.0m IP40 FT* ca.1K
JTF-21W / TW 6.0m IP65 ca.1K ca.1K
JTF-22 / TB 6.0m IP40 ca.1K FT*
JTF-22 / 12m / TB 6.0m IP40 ca.1K FT*
JTF-25 / TW 3.0m IP40 ca.1K ca.1K
JTF-26 / TB 3.0m IP40 ca.1K FT*
Expand Table

 

FT* = External manual reset / FT** = Internal manual reset / TW = Thermostat /
TB = Temperature limiter

You can buy ALRE JTF in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . ALRE JTF price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.

See also: Thermostats