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Square D 8501XO-40 Open Type AC Control Relay
Square D 8501XO-40 Open Type AC Control Relay
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Description:
The Square D 8501XO-40 Open Type AC Control Relay is a four‑pole NEMA-style open‑frame relay used to switch AC control circuits in industrial equipment and machine tools. It features four normally open contacts (4NO) and uses an open-type housing suitable for panel or base mounting with screw terminals. The 120 V, 60 Hz coil variant drives the relay from standard control power, while the contacts are rated for up to 10 A resistive at 600 VAC, with UL, CSA, and CE listings noted on distributor pages. Its housing measures roughly 3.95 in wide by 2.23 in deep by 3.50 in high, supporting straightforward wiring in control cabinets and equipment enclosures.
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