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ALRE RTKSA Thermostat

Name: ALRE RTKSA Thermostat
Brand: ALRE

Universal capillary controller RTKSA-0xx.xxx
This range of devices was developed especially for use in heating technology in boiler systems or storage units, district heating transfer stations and heat transfer systems, for use in ventilation technology as supply air monitoring or as cut-outs for electric heating coils and to control and monitor temperatures on pipes and containers.
Room controller RTKSA-1xx.xxx
The room controller were developed especially for use in industrial and trade fair halls, air-inflated structures and greenhouses. If used as frost protection controller, the higher tolerances at the end of the scale should be noted.
Frost protection controller RTKSA-2xx.xxx
The frost protection controller were developed especially for ensuring air-side or water-side frost protection in hot water heating coils and heat exchangers in ventilation, heating or air conditioning systems.

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Made in Germany. brand ALRE, model RTKSA

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Technical specifications of ALRE RTKSA

Max. switching current:
NC contact: 16 (2.5) A at 230 VAC + 10%
0.25 A at 230 VDC + 10%
NO contact for TR/TW/STW: 6.3 (2.5) A at 230 VAC + 10%
0.25 A at 230 VDC + 10%
NO contact for TB/STB: 2.0 (0.4) A at 230 VAC + 10%
0.25 A at 230 VDC + 10%
Min. switching current: at 24 V (AC/DC) min. 100 mA
Switching voltage: 24 – 230 VAC 50/60 Hz, 24 – 230 VDC
Rated impulse voltage: 2.5 kV
Contacts: potential-free changeover switch
Type of contact:

TW = Typ 2.B.L. / TB = Typ 2.B.H.V,
TR = Typ 2.B.L. ,
STB = Typ 2.B.H.K.P.V,
STW = Typ 2.B.K.L.N.P.V

Connection cross-section: 0.75 … 2.5 mm²
Type of terminal: push in
Type of protection: RTKSA-xxx.x0x IP40,
RTKSA-xxx.x1x IP54
optional IP 65
Protection class: I (including switching head + 4000 mm Cu capillary)
Max. head temperature: 80°C
Max. sensor temperature:RTKSA-0xx.xxx/RTKSA-1xx.xxx: full scale value +15%
RTKSA-2xx.xxx: 120°C
Permissible storage temperature: -30°C to + 80°C
Time constants: approx. 50 sec. with immersion
sleeve in agitated water,
approx. 60 sec. with immersion
sleeve in agitated oil,
approx. 120 sec. in air
Material of sensor and capillary tube: Cu (RTKSA-0xx.xxx/ RTKSA-2xx.xxx)
Material of sensor coil: V4A (RTKSA-1xx.xxx)
Type test: according to DIN EN 14597
Safety and EMC: according to DIN EN 60730 (VDE 0631)

Switching difference:

RTKSA-000.100: 1,3K	RTKSA-000.300: 9,1K	RTKSA-001.200: 3K	RTKSA-001.301: 3,3K	RTKSA-002.410: -10…-15K*
RTKSA-000.200: 3K	RTKSA-001.100: 1,3K	RTKSA-001.300: 9,1K	RTKSA-002.310: -10…-15K*	RTKSA-003.310: -10…-15K*
RTKSA-013.210: 3K / -10…-15K*	RTKSA-100.010: 1,3K	RTKSA-101.010: 1,3K	RTKSA-114.010: 1,3K	RTKSA-203.xxx: +3K**
RTKSA-014.210: 3K	RTKSA-100.110: 1,3K	RTKSA-101.110: 1,3K	RTKSA-114.110: 1,3K	RTKSA-204.xxx: ca. 1,5K ±1K
RTKSA-004.310: -10 K	RTKSA-010.200: 3K / -10…-15K*

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User Guide and Instruction manual for ALRE RTKSA

You can request the necessary certificates, documentation, instructions and user manuals for ALRE RTKSA using the special form.

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