RAK Universal Thermostat

RAK Universal Thermostat is ideal for controlling and monitoring the temperature of liquids in baths, containers, pipes and ducts. Because of its modular design and universal housing, the thermostat is very versatile.

It can be used as:

A Stem-type thermostat with protective tube (pocket)
A clamp on thermostat on pipes

A thermostat with remote sensor
A double thermostat

Universal housing made of plastic can be fitted in various ways:

A snap on lid with window
Sealable internal setpoint adjuster
Thermostat module with single pole change over contacts (TB has normally-closed contacts)

Capillary Tube (that can be uncoiled according to needs, depending on the fitting method)
Sensor cartridge screw terminals: for wire of max 1.5mm², cable screw fitting for cable of up to ⌀ 9mm

RAK Universal Thermostats are suitable for use in:

Heating Systems
Boilers Systems
Domestic Water Boilers

Ventilation Ducts
Industrial Baths

Technical Data

Transport and Storage Temperature: -25 to +55°C

Permissible Ambient Temperature (head): 0-50°C

As Clamp on Sensor (Water Temp): Max. 120°C

Degree of Protection: IP 40 (EN 60529)

Protection Class: I (IEC 60730)

DIN Register Module

Thermostat Module: TR 706 01

Thermostat Module: STB 1060 2000

Not Classified in the PED: RAK 84.4 and 82.4

Classified in the PED 97/23/EG as per CAT IV: RAK 13.40

Max Contact Rating

Terminal 1-2 TW, TB: 10 (2.6) A 250V ~

Terminal 11-12 STB: 10 (6) A 250 V~

Terminal 1-4 TW: 4 (0.6) A 250 V~

Minimum Contact Rating: 500 mA 40V

Influence of Head Temperature

Depends on Type: 0.20-0.60 K/K

Weight: 0.22 Kg

Time Constant in Water

Without Pocket: <15 s

With LW 7 Pocket: < 45 s

Calibrated at TW, TB: 23 ± 2°C (Tu 23)

STB: 37 ± 2°C (Tu 37)

TYPE	SETTING RANGE °C	SWITCHING DIFFERENCE K	CAPILLARY TUBE MM	SENSOR CARTRIDGE MM	MAX TEMP SENSOR °C
As A Temperature Controller-Monitor (TR, TM) With LW7 Pocket, Brass, 100mm As Per Din 3440
RAK 82.4/3728M	15-95	4	800	68	200
RAK 82.4/3754M	40-120	4	1600	68	200
RAK 82.4/3726M	50-130	4	800	68	200
RAK 82.4/3729M	80-160	4	1600	68	200