Eaton Cutler-Hammer NSB HFD3020L Relay Accessories are components designed to accompany the HFD3020L relay from the NSB family. The product is listed as accessories specifically for the HFD3020L relay, providing compatible supplemental parts for that device. It is part of the Eaton/Cutler-Hammer NSB lineup as a relay accessory for the HFD3020L model.
