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Main applications
Temperature safety on hot water tanks, electric radiators, electro-thermal heating equipment.

Technical features

Housing dimensions: 42.3 × 37.3 × 23mm (without terminals and diaphragm)

Capillary: Copper, capillary length 250mm, 500 or 900mm. Black PVC sleeve on capillary. Capillary minimum bending radius 5mm.
For technical reasons, we do not recommend to use capillary length longer than 900mm. We don’t recommend 250mm long capillary for calibration temperature above 90°C (194°F)
Special lengths on request.

Bulb: Copper, corkscrew type for temperatures from 60 to 130°C (140 to 266°F).
Straight uncoiled capillary available on request

Temperature sensing element: Liquid-filled thermostatic assembly whose boiling causes tripping of the contact.
Therefore, unlike liquid filled systems, these thermostats are sensitive to atmospheric pressure, and their reaction time is faster.

Terminals: Six 6.35 × 0.8 quick connect terminals, or three M4 input screw terminals and three 6.35 × 0.8 tab terminals for connection to heater. In the model with one auxiliary close on rise terminal, this output connection is mandatory
6.35 × 0.8 tab.
6.35 × 0.8 tabs can have different bending angle. References on request. (MOQ apply)

Adjustment: Fixed setting

Mounting: Front bushing, with M10x0.75

Manual reset: Fail-safe action, front access button

Contacts: 3 pole single throw 20A 250V, 16A 400V snap action contact. In option: 3 pole single throw + 1 close on rise auxiliary contact
Max ambient temperature on head: 115°C (239°F). Must not be higher than calibration temperature -10°C (-18°F)