{"product_id":"schneider-electric-rhn-421b-industrial-control-relay","title":"Schneider Electric RHN-421B Industrial Control Relay","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"670\"\u003eThe Telemecanique RHN421B is an industrial \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003eplug-in control relay\u003c\/a\u003e featuring a 24 V AC, 50 Hz coil, four changeover contacts, and a 1 A contact rating for reliable switching in low-level industrial control and automation circuits. Commonly installed in industrial control panels, OEM machinery, process automation systems, and instrumentation equipment where dependable signal switching and electrical isolation are required. Maintenance teams, OEMs, and system integrators use this plug-in relay for equipment replacement, preventive maintenance, retrofit projects, and maintaining reliable control system operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"672\" data-end=\"689\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"690\" data-end=\"1149\"\u003eThe Telemecanique RHN421B provides reliable switching for PLC interfaces, instrumentation circuits, alarm systems, interlocking functions, and low-power industrial automation controls. It is widely used in manufacturing facilities, packaging machinery, material handling equipment, testing systems, and process automation applications where dependable relay performance improves system reliability and minimizes downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1151\" data-end=\"1180\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1181\" data-end=\"1681\"\u003e• Manufacturer Part Number (MPN): RHN421B\u003cbr data-start=\"1222\" data-end=\"1225\"\u003e• Manufacturer: Telemecanique (Schneider Electric)\u003cbr data-start=\"1275\" data-end=\"1278\"\u003e• Product Type: Plug-in Control Relay\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e• Series: Harmony Relay RHN\u003cbr data-start=\"1345\" data-end=\"1348\"\u003e• Coil Voltage: 24 V AC, 50 Hz\u003cbr data-start=\"1378\" data-end=\"1381\"\u003e• Rated Current: 1 A\u003cbr data-start=\"1401\" data-end=\"1404\"\u003e• Auxiliary Contacts: 4 Changeover (4 C\/O, 4PDT)\u003cbr data-start=\"1452\" data-end=\"1455\"\u003e• Mounting Style: Plug-in Socket Mount\u003cbr data-start=\"1493\" data-end=\"1496\" data-is-only-node=\"\"\u003e• Terminal Type: Plug-in Connection\u003cbr data-start=\"1531\" data-end=\"1534\"\u003e• Compatible Systems: Industrial Automation and Control Systems\u003cbr data-start=\"1597\" data-end=\"1600\"\u003e• Replacement Type: OEM Direct Replacement \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1pr3fye\" data-start=\"1683\" data-end=\"1706\"\u003eCommon Replacements\u003c\/h3\u003e\n\u003cp data-start=\"1708\" data-end=\"1791\"\u003e• Schneider Electric RXM4AB1B7\u003cbr data-start=\"1738\" data-end=\"1741\"\u003e• Telemecanique RHN421B\u003cbr data-start=\"1764\" data-end=\"1767\"\u003e• OEM Equivalent RHN421B\u003c\/p\u003e","brand":"Telemecanique","offers":[{"title":"New","offer_id":51713860469038,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_d273bd84-be7d-4070-a276-528a09d565f2.jpg?v=1770410232","url":"https:\/\/plgautomation.com\/products\/schneider-electric-rhn-421b-industrial-control-relay","provider":"PLG Automation ","version":"1.0","type":"link"}