ST08 series are both temperature and current sensitive. They can protect motor from overheating or loading.

Special features:
• Small size, long life and high reliability.
• High level bimetal ensures that it can withstand the current of normal circuit.
• The combination of bimetal and heater can action snappily.
• Accurate trip off time can prevent motor from overheating.
• Both temperature and current sensitive.
• Terminals are optional and customized.
• Wires are optional and customized.
• Sealed sleeving can make the protector varnishing proof.



• Window-lifts; Sunroof motor; Aerial tuning motor
• Wipers; Door locks; Adjuster-motors
• Various washing machines, vacuum cleaners and gardening equipments

Electrical ratings:

• 30A/15V DC
• 15A/30V DC
• 18A/250V AC
• 28A/125V AC



Action temperature range50~180°C
Temperature tolerance±2°C, ±3°C, ±5°C
Trip off current range3~32A
Trip off time4~10S or customizing


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