Seki Controls Co., Ltd.
Bimetallic Thermal Protectors
[ST-12, ST-22]
Seki Controls is a specialized manufacturer of bimetallic thermal protectors. Since its
establishment in 1980, the maker has served its customers well, based on its cutting-edge
equipment and accumulated know-how under the motto of becoming the world best.
The maker¡¯s bimetallic thermal protectors are reusable parts that are reset when
equipment cools. If the fault still exists, the protectors continue to automatically protect
the equipment.
As bimetallic thermal protectors, ST-22 and ST-12 are typical overheating protection
devices for electric appliances, ST-12 can be used for overheat protection of hair dryers,
electric fan heaters, popcorn machines, electric ovens, dish dryers, etc. And, ST-22 can be
used for overheat protection of electric motors, fluorescent ballasts, battery chargers,
transformers, solenoids, heating pads, OA-machines, etc.
The features of ST-12 include snap action, automatic reset and superior heat response. And the features of ST-
22 are snap action, automatic reset, 100% water proof, and superior heat response and high grade thermoplastic
insulated case.