To control, protect, and automate your circuits — from switching loads on time to keeping your equipment safe and running right.
![SHIHLIN TH-P20 ES /ES-TA T.O.R. (THERMAL OVERLOAD RELAY) [15 to 28 A]](https://generalpower.lk/wp-content/uploads/2025/12/TH-P20-duud-what-346x310.webp)
![SHIHLIN TH-P12ES ADJUSTABLE T.O.R. (THERMAL OVERLOAD RELAY) [2.1 to 11 A]](https://generalpower.lk/wp-content/uploads/2025/12/shihlin-th-p12-5_1024x1024-346x310.webp)
To control, protect, and automate your circuits — from switching loads on time to keeping your equipment safe and running right.