500/ctn the carton size is 480(L)*282(W)*218(H)(mm)
KSD308 16A Electric Water Heater Manual Reset Temperature Sensor Switch for home appliances
The series of KSD308 that is of double-pole structure falls in the category of manual reset type temperature controller. The product series, safety and reliable, is used in high-duty electric water heater for overheating protection. When the instant snap of bimetal disc occurs at certain temperature, two contacts separate promptly by means of mechanical transition and simultaneously two-phase circuit disconnects in order to completely cut off power supply. Pressing reset lever will restore the power supply.(heavy-duty thermostat)
Advantages of heater temperature switch:
High loading capacity
No breakdown, no flashover.
Every product will be tested, extremely high temperature pass rate.
Parts between electriferous components and non-electriferous ones can bear 2000V (3750V for Reinforced insulation type) 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flashover.
With a DC 500V megger, borne DC 500V, the tested value is over 10MΩ