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Willmall modular contactors bring coil-controlled switching to DIN rail installations, serving lighting, heating, and smaller load circuits in buildings and plant.
It switches a load circuit on command from a control signal, commonly used to control lighting, heating, and smaller loads from timers, sensors, or building-management systems.
A modular contactor is designed for DIN rail mounting in distribution boards and consumer units, typically lower in current, while industrial contactors focus on motor switching and heavier duty in control panels.
The choice follows the control signal available: AC coils suit mains control circuits, while DC coils suit controllers and sensors that command at low-voltage DC.
They are installed inside distribution boards, lighting panels, and small control panels where a control input must switch a power circuit.
The rating is selected to cover the connected load current and the switching duty, for example resistive lighting or heating loads versus inductive fan loads, which derate the contact.
