Korea SEKI ST-22 thermal protector’sPrinciple and structure

ST-22 thermal protector features snap action, automatic reset, moisture/dust proof, and superior heat response and high grade thermoplastic insulation.

SEKI ST-22 thermal protector’s application

SEKI ST-22 thermal protector is used for Electric Motors, Fluorescent Ballasts, Battery Chargers, Transformers, Solenoids, Heating pads, OA-Machines ETC.

SEKI ST-22 thermal protector’s specification

1. Operating temperature range (zero load): 70℃~150℃

2. Temperature error: said ±5℃

3. Reset temperature: low than operating temperature 30±15℃

4. Heat resistance: operating temperature ± 50℃ / continue 200℃ / one minute

5. Specification(impedance load): 8A/125V 10,000 times, 5A / 250V 10,000 times.

6. Contact rating: mini current 50mA / repeat, max current 30A / time