Schneider Electric Harmony RSB Interface Relays and Sockets provide an optimum combination of robust performance and space savings for demanding applications. The relays are rated at 8A, 12A, and 16A (250VAC / 28VDC). Pre-mounted versions are available. Typical applications for Schneider Electric Harmony RSB Interface Relays and Sockets include marine, control panels, material handling, packaging, pumping and water, as well as heating, ventilation, air conditioning, and refrigeration (HVAC-R).