The TOCT1-63 is a professional-grade 4-pole modular contactor designed for comprehensive electrical circuit control in residential and commercial applications. This DIN rail-mounted device handles up to 63 amperes at 400V AC, making it ideal for controlling high-power loads like motors, heating systems, and lighting circuits. The universal 50/60Hz AC coil ensures compatibility with standard power supplies worldwide. Its compact modular design allows for space-efficient installation in electrical panels, while the four-pole configuration provides complete control over three-phase systems plus neutral. The unit features clearly labeled terminals numbered 1, 3, 5, 7 for the load side and 2, 4, 6, 8 for the supply side, with A1 and A2 coil connections. Built to meet rigorous electrical standards, this contactor offers reliable switching performance for demanding applications where precise electrical control is essential.