Immersion aquastat external adjustment 40/120°C C03B3

On RequestSwitches & Thermostats

Price on request — send us an enquiry for current pricing.

Minimum order: 39 units
Lead time: 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.

Technical specifications

dimension a	8 mm
dimension b	40 mm
dimension c	85 mm
dimension d	15 mm
dimension e	10 mm
dimension f	37 mm
dimension g	4 mm
contact type	Two directions microswitch of instant action with AGcdO contacts
differential	6±1 K
bulb material	Copper
operation type	Liquid expansion function
overall length	100 mm
immersion depth	70 mm
sensing element	Stainless steel diaphragm
sheath material	Copper
housing material	Shock-proof self-extinguishing thermoplastic material V0
protection level	IP40
sheath connection	GC 1/2 PN10
temperature range	40–120 °C
contact rating ac12	250 V~ 50 Hz, 15 A
calibration accuracy	±3 °C
standards compliance	EN 60947-5-1, EN 60730-1
thermal gradient air	4 K/hour
ispesl approval model	C03A3
connection thread size	GC 1/2 PN10
immersion bulb diameter	Ø8 mm
thermal gradient liquid	1 K/hour
maximum bulb temperature	150 °C
connection pressure rating	PN10
nominal continuous current	15 A
nominal insulation voltage	380 V~
admissible body temperature	120 °C
electrical connection cable gland	PVC cable gland
operation on temperature increase	1-2 are opening, 1-4 are closing
internal regulation version length	100 mm
storage transport temperature range	-35 to 120 °C
nominal operating current resistive load 220v	Not specified
nominal operating current resistive load 250v	15 A
nominal operating current resistive load 380v	10 A
internal regulation version additional dimension	42 mm

Frequently asked questions

Where can I order a Fantini Cosmi C03B3 immersion aquastat in the Philippines?+

3G Electric Philippines supplies the Fantini Cosmi C03B3 immersion aquastat for delivery to Manila and Quezon City. We handle all logistics, customs documentation, and Bureau of Customs compliance. Contact us for pricing and lead time on request.

What is the immersion depth of the C03B3 aquastat?+

The Fantini Cosmi C03B3 has an immersion depth of 70 mm and an overall length of 100 mm. It features a copper bulb and AGcdO instant-action contacts with a 6±1 K differential for precise temperature control.

What are the temperature range and adjustment method for this model?+

The C03B3 operates from 40–120°C with external adjustment. It uses liquid expansion function and two-direction microswitch contacts, making it suitable for boiler and water heater applications requiring reliable temperature sensing and switching.