{"product_id":"abb-1sna645071r0000-interface-relay-assembly","title":"ABB 1SNA645071R0000 Interface Relay Assembly","description":"\u003cdiv\u003e\u003cp\u003eABB 1SNA645071R0000 is the RB121-24VDC interface relay (Form C\/SPDT) used to connect low-voltage control logic to higher-power circuits in automation panels. With a 24 V DC coil, it energizes to switch a single Form C contact rated for up to 6 A at 250 VAC, enabling reliable isolation between PLC outputs and AC loads. The unit uses screw-terminal wiring and is designed for DIN-mount installation within ABB’s RB121 family (R600 series) of interface relays, offering compact, plug-compatible replacement within ABB control architectures. Typical applications include PLC-to-AC load interfacing, signaling and interlock circuits, and general-purpose control tasks where an SPDT contact is required to route a signal or drive a secondary relay or contactor. The 1SNA645071R0000 code specifies a 24 V DC coil RB121-24VDC relay, making it suitable for ABB automation systems that rely on the RB121 family for modular, field-installable interface solutions.\u003c\/p\u003e\u003c\/div\u003e","brand":"ABB","offers":[{"title":"New","offer_id":51656932852014,"sku":null,"price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_bc7bf14f-3af8-48dd-b71b-1ddcde18f5d6.jpg?v=1769464417","url":"https:\/\/plgautomation.com\/products\/abb-1sna645071r0000-interface-relay-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}