• SEKI ST-12 Bimetal Thermal Switch

    The SEKI ST-12 protector is an open-frame, bimetal thermal cut-out that is generally used for the thermal protection of hairdryer and hand-drier heating elements.

    • Snap-action with automatic reset
    • 13A/250VAC Contact Rating
    • Temperature set-points: 60℃ to 150℃
  • SEKI ST-22 Bimetal Thermal Switch

    The SEKI ST-22 series thermal cut-out is their most popular device.  Manufactured in high volume, this highly reliable overheat thermal protector has become an industry standard for motors & transformers.

    • Snap-Action Bimetal, Automatic Reset
    • Temperature Setting Range: 50℃ to 150℃
    • PBT Resin Case – Epoxy Sealed
  • SEKI ST-30 Bimetal Thermal Switch

    SEKI’s ST-30 thermal cut-out is the smallest in the series.  Available with calibrations from 50℃ to 150℃, the 5A/250VAC contact rating and compact size makes it ideal for integration into various products.

    • Snap-action, automatic reset control
    • Calibrations from 50℃ to 150℃
    • Insulated case with epoxy sealing
  • SEKI CK Series Thermal Protection Switches

    SEKI CK series bimetal cut-outs are used for over-temperature and over-current protection of electric motors, transformers and lighting ballasts.  Calibrations from 60℃ to 160℃.

    • Snap Action Contacts
    • Contact Rating: 8A/250V AC (6,000 cycles)
    • Temperature Setting Range: 60℃ to 160℃
  • SEKI HB Series Thermal Switch

    SEKI HB 1/2″disc series thermal cut-outs offers a wide combination of contact operation, fixings and terminal types/orientations.  They are ubiquitous in small and large household appliances.

    • Normally Closed or Normally Open Contacts
    • Temperature Setting Range: -20℃ to 180℃
    • 15A/250VAC Contact Rating