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Square D 8501XB40 is a relay adder deck designed to enhance the functionality of the 8501X NEMA machine tool relay. This adder deck allows for the addition of four contacts to a standard relay unit. The straightforward design ensures that wiring remains simple, following the same straight-through pattern as the basic relay. This makes it easier to connect and maintain.
This product is ideal for applications that require extended control capabilities while maintaining a compact form factor.
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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