The Fantini Cosmi C03A3 thermostat is designed for temperature control in heating systems, boilers, circulation pumps, burners and unit heaters. Equipped with an adjustment scale from 10 to 90°C, it comes with a sheath for direct immersion in the fluid, ensuring accurate and reliable monitoring:
Temperature regulation scale 10 ÷ 90 °C
Differential 6 ± 1 K
Calibration accuracy ± 3 °C
Allowable body temperature 85 °C
Maximum bulb temperature 150 °C
Bulb length 69mm
Degree of protection IP40
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| Feature | Detail |
|---|---|
| Compliance with standards | EN 60947-5-1, EN 60730-1, EN 60730-2-9 |
| Feature | Detail |
|---|---|
| Mounting method | By direct immersion of the bulb using GC 1/2 threaded sleeve (included in package) |
| Feature | Detail |
|---|---|
| Mode of operation | As temperature rises: opens 1-2, closes 1-4 |
| Principle of operation | Liquid expansion operation |
| Feature | Detail |
|---|---|
| Sensing element | Stainless steel diaphragm |
| Bulb and capillary | Copper |
| Sheath | Made of copper with GC 1/2 inch PN10 connection |
| Materials | Shockproof and self-extinguishing thermoplastic V0 base, cover and knob, electrical connection outlet with PVC grommet |
| Storage and transport temperature | -35 ÷ 120°C |
| Feature | Detail |
|---|---|
| Microswitch | In snap-action switching with gold-plated AGcdO contacts |
| Contact rating according to EN 60730-1 | 15(6)A 250V~ 50Hz |
| Rating according to EN 60947-5-1 |
|
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