The TOCT1-100 modular contactor is an essential component for residential electrical systems, designed to provide reliable switching control for high-current applications. This 4-pole contactor features four normally open contacts, offering versatile circuit control capabilities for complex household electrical configurations. Rated for 100A main circuit current and 230V AC at 50/60Hz, this contactor delivers robust performance for demanding residential applications. Its DIN rail mounting design ensures quick, secure installation in standard electrical enclosures, while the compact modular construction maximizes space efficiency in crowded distribution panels. The unit's four normally open contact configuration allows for simultaneous control of multiple circuits, making it ideal for managing heating systems, air conditioning units, water heaters, and other high-power household appliances. Built to meet CE certification standards, this contactor combines safety with functionality. The clearly labeled terminals and straightforward wiring layout simplify installation and maintenance tasks. Whether you're upgrading an existing electrical system or designing a new installation, this modular contactor provides the switching capacity and reliability needed for modern household power management.