OpenADR Accessories OpenADR Accessories make your installation quicker & easier. All these items are typical of those needed in a typical industrial environment. Proven quality and at great prices! Accessories for OpenADR Installations Search by Part Number× Ethernet Switches & Routers HMI – Operator Interface DIN terminals In Stock! Bulk Cable In Stock! Amphenol Connectors In Stock! Relays In Stock! Power Supplies Coming Soon! Gland Seals In Stock!