ST-22 Bimetal Thermal Protector

Themal Protector

  • Snap Action
  • Automatic Reset Bimetal
  • Moisture and Dust Proof
  • Superior Heat Response
  • High Grade PBT Resin Case with Epoxy Seal
  • Customization upon Request

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 protectors including ST-12, ST-22 and CK serieses. ST-12 is used for overheat protection for hair dryer, electric fan heaters, popcorn machines, electric ovens, dish dryers and etc. ST-22 ST-22 is used for overheat protection for LED lightings, electric motors, fluorescent ballasts, battery chargers, transformers, solenoids, heating pads, OA-machines and etc. CK series is used for AC motors for home appliances, pumps, HID ballasts, fluorescent ballasts, recessed lightings, vacuum cleaners, automotive accessories motors, solenoid valves and etc.

■ ST-22 Series Thermal Protector:

ST-22 thermal 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 LED Lightings, Electric Motors, Fluorescent Ballasts, Battery Chargers, Transformers, Solenoids, Heating Pads, OA-machines and etc.

■ Application:

Overheat Protection for LED Lightings, Electric Motors, Fluorescent Ballasts, Battery Chargers, Transformers, Solenoids, Heating Pads, OA-Machines and etc.

■ Temperature setting range (at no load):

50°C ~ 150°C in increments of 5°C

■ Tolerance:

±5°C

■ ON-OFF differential temperature (General):

30 ± 15K

■ Heat Endurance:

Open temp. +50°C/continuity, 200°C/1min.

■ Cycle Life (Resistive load):

10A/125V AC 10,000 cycles; 7A/250V AC 10,000 cycles; 3A/48V DC 6,000 cycles; 2.2A/48V DC 10,000 cycles

2.2A/60V DC 6,000 cycles, 1A/277V AC 10,000 cycles, 3A/120V AC 10,000 cycles

■ Contact Capacity:

Min. Current 100mA/repeatedly, Max. Current 30A/5 cycles

■ Application View
■ Safety Approvals and Certifications