The TOCT1-25 modular contactor is a professional-grade electrical control device designed for DIN rail mounting in household and industrial applications. This 4-pole contactor features a robust 25A current rating and operates on 220V/230V AC power systems at both 50Hz and 60Hz frequencies. With four normally open (NO) contacts, it offers versatile circuit configuration options for various electrical control needs. The compact design makes installation straightforward while maximizing panel space efficiency. The unit comes with clear terminal markings and a secure mounting mechanism for reliable operation. Its modular construction allows for easy integration into new or existing electrical systems. Operating specifications include 400V operational voltage and 500V isolation voltage, with AC-7a and AC-7b utilization categories rated at 25A and 9A respectively. This contactor is ideal for controlling lighting circuits, heating systems, motors, and other household electrical applications where reliable switching is essential.