PLANT ENGINEERING
UNIVERSAL CAPILLARY DOUBLE THERMOSTAT RTKSA CAPILLARY SYSTEM – TÜV-TESTED
TECHNICAL DATA
APPLICATION
Colour:
anthracite grey (similar to RAL 7016), front side transparent
This series of devices was specially developed for use in heating technolo- gy; in boiler systems or storage tanks; district heating transfer stations and heat transfer systems; in ventilation technology to monitor supply air or as limiters for electrical heating coils, as well as for controlling and monitoring temperatures in pipelines and tanks. Immersion sleeves, protection coils and mounting set JZ-31 for pipe mounting are not included in the scope of delivery.
Sensor material: Sensor length:
Cu
2 m
Max. sensor temperature: Max. head temperature: Permissible atmospheric humidity:
Top scale value +15%
80 °C
Max. 95% rel. humidity, non-condensing
Operating voltage:
none
Max. switching current:
NC contact: 16 (2.5) A at 230 VAC +10% 0.25 A at 230 VDC +10% NO contact TR / TW: 6.3 (2.5) A at 230 VAC +10% 0.25 A at 230 VDC +10% NO contact TB / STB: 2.0 (0.4) A at 230 VAC +10% 0.25 A at 230 VDC +10% Min. 100 mA at 24 V (AC / DC) 230 VAC 50 / 60 Hz, 230 VDC
Accessory JZ-30 must be used in conjunction with immersion sleeves.
Type testing by TÜV in accordance with DIN EN 14597
Min. switching current: Max. switching voltage: Min. switching voltage:
24 VAC / 50 Hz, 24 VDC
Switching element: Switching contact:
microswitch
2 x togglers, potential-free
Control range:
heating or cooling Push-in terminals
Electrical connection: Mounting / attachment:
Wall mounting or with optional process connection (immersion sleeve or protection coil)
Protection class: Protection rating:
I
RTKSA-xxx.x0x IP40 RTKSA-xxx.x1x IP54 IP65 (optional)
Safety and EMC:
In accordance with DIN EN 60730 (VDE 0631) liquid-filled capillary scale: degrees Celsius
Sensor:
General features:
CONTROL RANGE
TYPE
ITEM NO.
HYSTERESIS
SENSOR Ø X L
FEATURES
EURO / PG
RTKSA-010.200
KA001000 TR: 0 to 120 °C STB: 70 to 130 °C
TR: 3 K STB: -10 to -15 K*
6 x 87 mm 6 x 66 mm
TR (external setting), STB (internal setting / external reset) TW (internal setting) TB (internal setting / external reset)
147.60 / II
RTKSA-013.210
KA001200 TW: 0 to 120 °C TB: 20 to 150 °C
TW: 3 K TB: –10 to –15 K*
6 x 87 mm 6 x 55 mm
191.90 / II
RTKSA-014.210
KA001100 TW: 0 to 120 °C TW: 0 to 120 °C
TW: 3 K TW: 3 K
6 x 87 mm 6 x 87 mm
2x TW (internal setting)
147.60 / II
TR = temperature controller, TW = temperature monitor, TB = temperature limiter, STB = safety temperature limiter * Manual reset after cooling down by 10 – 15 K (depending on configured setpoint)
ACCESSORIES ITEM NO.
LENGTH
MATERIAL DIAMETER IXA**
FEATURES
EURO / PG
THK-2-100x17
KA979901 100 mm
nickel-plated brass 14.8 x 17 mm
Immersion sleeve
31.80 / II
THK-2-200x17
KA979902 200 mm
nickel-plated brass 14.8 x 17 mm
Immersion sleeve
42.70 / II
NTHK-2-100x17
KA979903 100 mm V4A (1.4571)
14.8 x 17 mm
Immersion sleeve
62.10 / II
NTHK-2-200x17
KA979904 200 mm V4A (1.4571)
14.8 x 17 mm
Immersion sleeve
64.30 / II
SWK-2-100
KA989901 100 mm
steel, nickel-plated 10.5 x 17 mm
Protection coil with flange plate
20.20 / II
SWK-2-200
KA989903 200 mm
steel, nickel-plated 10.5 x 17 mm
Protection coil with flange plate
25.70 / II
** I = minimum inner diameter / A = nominal outer diameter See page 227 for pictures and dimension diagrams for immersion sleeves/protection coils
168
Catalogue 2025
Prices valid from 01.01.2025 – 31.12.2025, prices may be subject to change | V1
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