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KSD301-G series snap-action thermostat is a kind of miniature hermetically sealed bimetal temperature switch (1/2" disc). It is of single-pole single-throw structure and works under resistive load. KSD301 thermostat is in wide use in a great variety of compact type home appliances, such as coffee maker, water dispenser, toaster, microwave oven, electric pad and portable icebox etc., to provide temperature control or temperature protection.(thermal cutoff switch)
Advantages:
Parameters:
Use | Temperature control/Overheat protection |
Appliance | Coffee maker/ Drinking machine/toaster/Microwave oven/ Heating/ Portable Refrigerator/etc |
Reset type | Automatic |
Base material | ceramic base |
Amperage | 5A/10A/16A |
Max. Operating Temperature | 280°C |
Differential | Refer to the regulation |
Tolerance | Refer to the regulation |
Protection class | IP00 |
Contact material | Silver/Gold |
Dielectric Strength | 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 Resistance | With a DC 500V megger, borne DC 500V, the tested value is over 10MW. |
Resistance Between Terminals | Below 50mW |
Temperature characteristics | Normal type: OFF temperature higher than ON temperature.(Normal close) K type: ON temperature higher than OFF temperature.(Normal open) One-shot type: The thermostat switches on at room temperature and it won’t be able to reset after switching off. |
Maximum ambient temperature | 280°C(Long period) 310°C (Less than 15 min) |
Diameter of bimetal disc | F12.8mm(1/2″) |
Approvals | CQC/TUV |
Terminal type | Customized (Refer to our specification) |
Cover/Bracket | Customized (Refer to our specification) |
Dimension of the main body:
Safety certificate:
Max. OT | Life | 250V 5A | 250V 10A | 125V 16A | 250V 16A |
150°C | 100,000 | sec. 2 | sec. 4 | sec. 4 |
|
160°C | 100,000 |
| CQC,TÜV |
|
|
190°C | 30,000 | CQC |
|
|
|
60,000 |
| CQC |
| TÜV | |
220°C | 30,000 |
| CQC,TÜV |
|
|
100,000 |
| sec. 2 | sec. 2 |
|
Covers and terminals:
Major series of snap-action thermostats are as follows:
Series
| Diameter of bimetal disc
| Max. operating Temp.
| Max. | Switch structure
| Service purposes
|
rated | |||||
current | |||||
KSD301
| F12.8mm | 280°C
| 16A
| SPST
| Temperature control and overheating protection for low-duty electric heating applications.
|
(1/2″) | |||||
KSD301-U
| F12.8mm | 280°C
| 16A
| SPST
| One shot type fuse for low-duty electric heating applications.
|
(1/2″) | |||||
KSD302
| F22.25mm | 125°C
| 25A
| SPST
| Temperature control and overheating protection for high-duty electric heating applications.
|
(7/8″) | |||||
KSD303
| F12.8mm | 50°C
| 10A
| SPST
| Defrosting and temperature compensation for refrigerator.
|
(1/2″) | |||||
KSD305
| F22.25mm | ||||
(7/8″) | |||||
KSD306
| F22.25mm | 120°C
| 30A
| DPST
| Temperature control and overheating protection for electric heating applications such as water heater.
|
(7/8″) | |||||
KSD307 | F12.8mm (1/2″) | 220°C | 20A | SPST | PTC power cut out for electric heater, commercial appliance |
KSD308
| F19mm | 100°C
| 16A
| DPST
| Temperature control and overheating protection for electric heating applications such as water heater.
|
(3/4″) | |||||
KSD309
| F12.8mm | 280°C
| 16A
| SPST
| Temperature control and overheating protection for high temperature heating applications.
|
(1/2″) | |||||
KSD310
| F19mm | 50°C
| 35A
| SPST
| Defrosting for big current refrigerator, air conditioner or other commercial cooling appliances
|
(3/4″) | |||||
KSD312
| F19mm | 200°C
| /
| DPST
| Temperature limiter for rice cooker
|
(3/4″) | |||||
KSD314
| F19mm | 220°C
| 45A
| SPST
| Temperature control and overheating protection for big current heating applications.
|
(3/4″) | |||||
KSD315 | F19mm (3/4″) | 125°C | 16A | DPST | Manual reset for water heater protection |
Product recommendation:
( //www.thermostat-gb.com/html/Products)
AWE 2018 - Appliance & Electronics World Expo 2018
Getting more information about high temperature protector and limit switch, please refer to our website: www.thermostat-gb.com