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120A SSR are typically designed for robust performance in demanding environments and are widely used for applications like temperature control, and industrial automation.
Operation: They use semiconductor components (like SCRs or triacs) for switching instead of mechanical contacts, offering a fully electronic, quiet, and reliable operation.
Safety & Protection: Common safety features include a removable protective cover, photoelectric isolation between input and output circuits, built-in RC absorption, and sometimes surge protection.
Design: Most models are panel-mount and feature an LED indicator to show the operating status. They are designed for strong shock and vibration resistance.
Heat Management Note: For load currents higher than 10A (especially 120A), a heat sink is crucial for proper operation and to ensure the product’s lifespan.
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