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The Square D 9999D01 is a high-quality auxiliary contact designed for electrical control systems. This model supports a definite purpose with settings tailored for efficient operation within a voltage range of up to 600 VAC.
Ensures reliable operation with NEMA B600 contact rating. Ideal for HVAC systems and industrial automation.
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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