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3 pole manual reset disc thermostats

Temperature limit of heaters, instant water heaters, saunas steam generators, industrial heaters

Opening temperature (°C)
Opening tolerance (°C)	Clear

TECHNICAL FEATURES

Applications: Temperature limit of heaters, instant water heaters, saunas steam generators, industrial heaters

Housing dimensions: diameter 45mm, height 20mm (28mm with terminals),

Body material: high temperature PPS

Temperature sensing element: Bimetal disc

Terminals: 6.35 x 0.8mm quick connect

Set point temperature range: +20 to +180°C (Factory fixed setting only)

Mounting: surface mounting fixed bracket, 2 holes 4.4 x 6.4mm, 60 mm distance

Rating: 3 x 16A 250VAC, 3 x 10A 400VAC, resistive (10000 cycles) 3 x 25A 250VAC, 3 x 16A 400VAC (300 cycles)

Contact: 3 snap action contacts, double break, open on temperature rise.

Max ambient temperature: 180°C

Approvals: comply with EN 60730-1 and EN 60730-2 standards (CE mark)

Electrical contacts
As numerous mechanisms exist, we decided not to distinguish on the basis of constructive technique, but according to their operation speed, which is the key element.
Electrical protection classes
The housings are designed to protect electrical equipment located inside. This protection must be considered in the electrical and environmental angles.)
Description of temperature controls
Used as control thermostats or as a safety thermostat with manual reset, these thermostats have a disc made of two different metals laminated together for temperature sensing element. These two metals have different expansion coefficients.
Thermostats installation
The proper functioning of a thermostat depends primarily on the correct choice of the component, but also the conditions of its installation. Conditions used to calibrate regulating and control equipment in the factory are always ideal laboratory conditions, ensuring measurement accuracy and repeatability. These conditions are rarely those found in practice when installing thermostats. However, with a minimum of constraints, it is possible to optimize assemblies.