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The Square D 9998SO1 is a Type S melting alloy overload relay contact kit designed for motor overcurrent protection. This relay features a one-piece melting alloy thermal unit that protects against overheating caused by excessive overcurrent. This kit includes a standard normally closed (NC) output contact, commonly used with Type S melting alloy overload relays. The contact module is rated with a NEMA B600 contact rating and can handle a maximum voltage of six hundred volts AC.
This overload relay contact kit is essential for ensuring reliable motor protection and is used in various industrial applications.
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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