Main applications of the 3-pole combistat (TR + STB)
Water heaters, immersion heaters, sauna heaters, electric radiators, electro-thermal heating equipments...
Technical features
Housing dimensions: 60 × 54 × 46mm (Without adjusting shaft, terminals, bulbs and capillaries). Compact form. Assembly time savings.
Bulb and capillary: Stainless steel, capillary length 250, 750, or 870mm, full length PVC sleeve on capillary up to 70mm of the bulb. PVC sleeve is transparent on the temperature control diastat and green on fail-safe safety diastat. Capillary minimum bending radius 5mm.
Temperature sensing element: Liquid filled bulbs and capillaries.
Terminals: 6.35×0.8 quick connect terminals. M4 screws also available on request.
Adjustment of temperature control set point: Dia. 6mm shaft with 4.6mm flat, shaft length 11.5mm. Other lengths or fixed setting available on request.
The temperature control shaft is available with 180 or 270° mechanical angulation.
Manual reset: Fail-safe, sealed fixed setting, front access reset button. Set point value of manual reset is usually 25°C above the maximum adjustment value of the temperature control set point.
Mounting: Bracket with 2 M4 holes at 28 mm distance, centered around the adjustment shaft. Exists in 2 positions, at 0° and 90°.
Rating: 3×25(4)A, 250VAC or 3×25(4)A, 400VAC.
Contacts: 3 normally closed contacts, snap action, with simultaneous opening and closing.
Max ambient temperature on body: 80°C (176°F).
Options:
- 6.35×0.8 terminals angled 90°
- M4 screws terminals
- 6.35 × 0.8 ground terminal
- Mounting bracket angled 90°
- Shaft angulation : 270° or 180°
Full customisation available on request for large quantities, so please don't hesitate to contact us.
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