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The Square D 9999D20 Auxiliary Contact is a reliable component designed for extending the functionality of control circuits. With two normally open contacts, it is ideal for applications requiring additional control points. Rated for up to 600V and 10A, this auxiliary contact ensures robust performance in various industrial settings.
This auxiliary contact is perfect for controlling extra devices like indicator lights and alarms. It enhances safety by isolating critical circuits and simplifies wiring by reducing additional component needs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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