Thermal Protector (Thermal Cut-off/ Motor Protector/ Bimetallic Protector)

1) ST-22/ ST-30 : 

ST-22/30 are one of the most reliable over-heating protector for electrical and electronic appliances. Unlike thermal fuses, it can be used as permanent components with automatical reset function. 

ST-22/30 are moisture/dust-proof type of thermal protector with PBT resin case and epoxy sealing, and features snap action with superior heat response.

ST-22/30 can be used for various applications such as electric motors, LED light, fluorescent ballasts, battery packs, battery chargers, power suppliers, transformers, solenoids, heating pads, OA-machines and etc. 

* ST-30 is the compact type(size) of ST-22 

Features

- Snap Action

- Automatic Reset

- Superior Heat Response

- PBT Resin Case with Epoxy Sealing

- Moisture / Dust-Proof 

- Wire Customization Upon Request

- IP45 & IECEx

-Temperature 50~150C

Tolerance

- Indicated temperature +- 5 

Contact Capacity 

- Min. Current 50mA/repeatedly

- Max. Current 30A/5cycles 

ON-OFF differential Temperature in general

- 30+-15K

Safety Certification

UL/cUL, VDE, CQC, KC 

Please visit our website for more references >> Limiting Thermostats | SEKI Controls

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2) ST-12 : 

ST-12 product is the typical over-heating protectors for electrical and electronic appliances. Unlike thermal fuses, it can be used as permanent components with automatical reset function. 

ST-12 is exposed type product with snap action and superior heat response, which can be used for overheat protection of hair dryers, electric fan heaters, popcorn machines, electric ovens, dish dryers and etc.

Features

- Snap Action 

- Superior Response 

- Auto Reset

- Non-Phenolic Insulation

Tolerance

- Indicated temperature +- 5 

Contact Capacity 

- Min. Current 100mA/repeatedly

- Max. Current 30A/5cycles 

ON-OFF differential Temperature in general

- 30+-15K

Safety Certification

UL/cUL, VDE, CQC, KC, CMJ 

Please visit our website for more references >> Limiting Thermostats | SEKI Controls