Two-level temperature switch

RJ403 Order number: 4403

It serves as a two-level temperature switch (eg for switching on two circulation pumps at specified temperatures T1, T2 and then switching off the pumps when the temperature drops by a fixed hysteresis of 5 °C).

1 452 Kč 1 200 Kč without VAT 1,68 bez DPH (RP není součástí ceny)

Description of product

Properties RJ403:

The controller can be used for:

- automatic control of two circulation pumps (eg heating circuit + DHW)

Technical specification

Power supply plug (230 V/ 50 Hz)
Thermostat type wire
Type of control hysteresis (5°C)
Accuracy +/- 1°C
Dimensions (LxWxD) 90x53x51 mm
Protection IP20
Working temperature 0 °C to 50 °C
Switching element 2 x relay
Output 5 A / AC1 (changeover contact)
Max. the number of temp. sensors 1 (CT01-10k included)
Range of adjustable temperature 20 °C to 80 °C
Consumption 1, 0 VA

Downloads files

File name Size
Letak_RJ403_080414_mail.pdf 347.08 kB Download
rj403_v2023_web.pdf 855.59 kB Download

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