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KSD306 high current bimetal water heater thermostat thermal switch from FSTB
The series of KSD306 bakelite manual reset thermal switch is of double-pole structure falls in the category of manual reset type high current bimetal thermostat. The product series 30A manual reset thermal switch, 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 thermal switch:
Parameters of thermal switch :
Use | Overheat protection |
Appliance | Water heater(heater thermostat) |
Reset type | Manual |
Base material | resist heat resin base |
Amperage | 30A |
Max. Operating Temperature | 125℃ |
Differential | |
Min. Diff | 8℃ |
Tolerance | |
Contact material | Silver |
Dielectric | 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. |
Insulation | With a DC 500V megger, borne DC 500V, the tested value is over 10MΩ |
Resistance | Below 50mΩ |
Maximum | 185℃ |
Approvals | CQC/TUV |
Terminal type | Customized (Refer to our specification |
Cover/Bracket | Customized (Refer to our specification |
Dimension of thermal switch:

Safety certificate of thermal switch :
Rates | Cycles | Max. OT | Certificate |
250V 10A | 10,000 | 50℃ | CQC,TUV |
Thermal switches recmmendation:
NOTE: TERMINALS AND COVERS OF 30A BAKELITE MANUAL RESET THERMAL SWITCH CAN BE CUSTOMIZED UNDER YOUR REQUEST. PLEASE REFER TO OUR SPECIFICATION . WELCOME TO OUR WEBSITE TO GET MORE INFORMATIONPF THERMAL SWITCH.
( //www.thermostat-gb.com/html/Bimetal_Thermostat/ )
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Getting more information about high temperature protector and limit switch, please refer to our website: www.thermostat-gb.com




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