User manual HONEYWELL STB-TW DATASHEET

[. . . ] 30 Mechanical Thermostats Temperature monitors and limiters STB STB series temperature monitors and limiters Te s t e d a c c o r d i n g t o D I N 3 4 4 0 The temperature monitors and temperature limiters meet the requirements of DIN 3440 and can thus be used for heating systems according to DIN 4751, steam and hot water systems and district heating systems. [. . . ] Brass G 1/2", included with product Stainless steel G 1/2", order separately. Type T4NSTF or T5NSTF, see Product Summary +80°C at the switching head (in upper third of scale) for TW, STW, STB: ±5% for TR: ± 1. 5 % (in % of scale range) (in % of scale range) for TR, TW: 3­4 % for STW, STB: 4­6% The cover of the switching device can be lead sealed so that the internal settings of the limiter switching points are no longer accessible after sealing. 10 (2) A, 250 VAC IP 54 Connection schemes: In devices with a dual function there are 2 switching elements. Pay attention to the function of the relevant switch when connecting. Max. [. . . ] temperature at sensor Immersion depth Permitted pressure, brass immersion tube Permitted pressure, stainless steel immersion tube no 175°C 150 mm 40 bar no 175°C 150 mm 25 bar yes 150°C 150 mm 40 bar no 175°C 100 mm 40 bar 80 bar T4NSTF 40 bar T5NSTF 40 bar T5NSTF 40 bar T5NSTF 80 bar T4NSTF 80 bar T4NSTF s tested Degree of protection: IP 54 [. . . ]