| Product Name | Genuine Seki Bimetal Thermostat Temperature Control Switch Overload Protector St-22 |
| Use | Temperature control/Overheat protection |
| Reset type | Automatic |
| Electrical Rating | 22A / 125VAC, 8A / 250VAC |
| Standard Operating Temperature Range | 60°C to 160°C in increments of 5K |
| Operating Time | Continuous |
| Tolerance | +/-5°C for open action(Optional +/-3 C or less) |
| Protection class | IP00 |
| Contact material | Silver |
| Dielectric Strength | AC 1500V for 1 minute or AC 1800V for 1 second |
| Insulation Resistance | More than 100MΩ at DC 500V by Mega Ohm tester |
| Resistance Between Terminals | Less than 100m Ohm |
| Approvals | UL/ TUV/ VDE/ CQC |
| Terminal type | Customized |
Typical Applications:
-Electric Motors, Battery Chargers, Transformers
-Power Supplies, Heating Pads, Fluorescent Ballasts
-OA-Machines, Solenoids, LED Lighting, etc.
-AC motors for home appliances, pumps, HID ballasts
Provide thermal protection from -20°C to 180°C.
With moisture resistance and customisable lead-wires.
Patented double-coating technology to prevent varnish penetration.
small, compact designs.
Joint venture with Korea Hanbecthistem/Seki
Snap action,Automatic reset.
Wire Customization Upon Request.
SEKI ST-22 Bimetal Thermal Protector
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