ST-12 Temperature Thermostat & Controller Switch
Product Overview
SEKI's bimetal thermostats are overheat protection devices for electric appliances. These reusable components automatically reset when equipment cools down. If the fault persists, the motor protectors continue to provide automatic equipment protection.
Model Applications
- ST-12: Overheat protection for hair dryers, electric fan heaters, popcorn machines, electric ovens, dish dryers, and similar appliances
- ST-22: Overheat protection for electric motors, fluorescent ballasts, battery chargers, transformers, solenoids, heating pads, OA-machines, and related equipment
Motor Protector Features
- Snap action mechanism
- Automatic reset function
- Moisture-proof and dust-proof construction
- Superior heat response capabilities
- High-grade thermoplastic insulation
Technical Specifications
| Specification |
Value |
| Temperature Setting Range (no load) |
70°C ~ 150°C |
| Tolerance |
±5°C |
| ON-OFF Differential Temperature |
30 ± 15K |
| Heat Endurance |
Open temp. +50°C/continuity, 200°C/1 min. |
| Life Test (Resistive Load) |
8A/125V 10,000 cycles, 5A/250V 10,000 cycles |
| Contact Capacity |
Min. Current 50mA/continuity, Max. Current 30A/5 cycles |
Primary Applications
Overheat protection for electric motors, fluorescent ballasts, battery chargers, transformers, solenoids, heating pads, OA-machines, and similar electrical equipment.