Lutron PowPak RMJ-5R-DV-B - 5A Wireless Relay Module - With Softswitch - 120-27 SoftSwitch Lutron patented technology prevents arcing of relay contacts, extending product lifetime Capable of switching 5 A of general-purpose loads Optional low-voltage dry contact closure output provides integration to building management systems, HVAC, VAV, etc. Various operating voltages available