Littelfuse SC4120A is an encapsulated circuitry with a 1A steady state output load rating. It features 0.25 inch male quick connect terminals for easy termination. With an input AC line frequency of 50/60 Hz and a tolerance of ±15%, it is versatile in various applications. The product is highly reliable with a humidity rating of 95% non-condensing and insulation resistance of ≥100. It has a dielectric breakdown of ≥2000 Vrms terminals to mounting surface, ensuring safety. The on/off ratio is fixed at 30 operations per minute.