CK Bimetal Thermal Protector

Bimetal Thermal Protector

  • Snap Action
  • Available with Both of Same Direction(A Type)/ Opposite Direction(B Type) Terminals
  • Patented Double Coating Technology To Prevent Varnish Penetration
  • Wide Selection of Leads and Insulating Sleeves
  • Plastic Case and Epoxy Molding Available in Any Specific Applications

SEKI's bimetal thermal protector is used for preventing fire and damages caused by overheating in the circuit of electric & electronic products.

There are three models in our bimetal thermal switches, ST-12, ST-22 and CK. ST-12 is used for overheat protection for hair dryer, electric fan heaters, popcorn machines, electric ovens, dish dryers and etc. ST-22 and CK are used for overheat protection for electric motors, fluorescent ballasts, battery chargers, transformers, solenoids, heating pads, OA-machines and etc.

■ Motor Protector

Snap Action, Automatic Reset Bimetals, Moisture-Proof, Dust-Proof, Superior Heat Response.

ST-22 motor protector features snap action, automatic reset, moisture/dust proof, and superior heat response and high grade thermoplastic insulation, which can be used for overheat protection of Electric Motors, Fluorescent Ballasts, Battery Chargers, Transformers, Solenoids, Heating Pads, OA-machines and etc.

■ Application

Overheat Protection for Electric Motors of home appliances, Pumps, Transformers, Fluorescent Ballasts, HID Ballasts, Recessed lighting fixtures, Battery packs, Vacuum cleaners, Automitive accessories motors, Solinoid valves and etc.

■ Temperature setting range (at no load)

60°C ~ 180°C in increments of 5°C

■ Tolerance

Indicated temp ±5°C

■ ON-OFF differential temp. (general)

40 ± 15K

■ Cycle Life

22A/125V AC 6,000 cycles, 8A/250V AC 6,000 cycles

■ Circuit Resistance

To be under 100mΩ at checking between terminals with DC 6V/1AmΩ meter.

■ Contact System

Normally closed / Normally open

■ Safety Approvals and Certifications