JUMO heatTHERM AT double thermostat for heating system, type 603070/0170, G 1/2'', nickel-plated brass

• It has 2 independent liquid-filled measuring systems and is used primarily in heating technology as a control (TR) and monitoring device (STB or STW).
• The safety temperature limiter (STB) must be manually reset after tripping; the safety temperature monitor (STW) switches back automatically.
• PushIn® connection technology – 50% less installation time
• tested according to DIN 14 597 (replacement for DIN 3440)
• Capillary break protection in STB and STW systems: if the measuring system is destroyed, the circuit opens permanently.
• individual limitation of the control range
• Stable switching point position through ambient temperature compensation
• Two designs in one device: thermostat with rigid shaft or remote line thermostat (FL: 2000 mm, coiled inside the housing)

Technical data:

• Protection class: IP 54
• Switching capacity 16 A, 230 V, at least 250,000 switching cycles at TR
• Maximum switching point deviation ± 5% over the entire service life

• Consisting of a temperature controller (TR, external setting) and a safety temperature limiter (STB, internal setting) with manual release.

TR:

• Control range: 0...120°C
• Switching differential: approx. 3 K
• Connection: Protective tube DN 15 (G 1/2"), EL 100 mm, nickel-plated brass

STB:

• Control range: 70...130°C
• Switching differential: approx. 8 K
• Connection: Protective tube DN 15 (G 1/2"), EL 100 mm, nickel-plated brass