{"product_id":"abb-1svr730100r0300-ct-ers-21s-on-delay-timer-relay","title":"ABB 1SVR730100R0300 CT-ERS.21S ON-Delay Timer Relay 2C\/O 24-240VAC\/DC CT-S Series","description":"\u003cp\u003eThe ABB CT-ERS.21S (SKU: 1SVR730100R0300) is an ON-delay timer relay from the CT-S series, featuring a 2-changeover output contact and a wide supply voltage range of 24–240V AC\/DC. Designed for industrial automation and control panel applications, the CT-ERS.21S provides reliable, precise time-delayed switching for machinery sequencing, HVAC control, and process automation. Its compact 22.5 mm DIN rail form factor simplifies panel integration.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalog Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCT-ERS.21S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1SVR730100R0300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCT-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eON-delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 C\/O (2 changeover)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–240V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5 mm × 85.6 mm × 103.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.152 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4016779851442\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE:\u003c\/strong\u003e Conformité Européenne — meets EU safety, health, and environmental protection requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUKCA:\u003c\/strong\u003e UK Conformity Assessed — meets UK market regulatory requirements post-Brexit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecULus:\u003c\/strong\u003e Listed to both UL (US) and CSA (Canadian) safety standards for industrial control equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL 508:\u003c\/strong\u003e UL standard for industrial control equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA C22.2 No.14:\u003c\/strong\u003e Canadian Standards Association standard for industrial control equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCCC:\u003c\/strong\u003e China Compulsory Certification for the Chinese market\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 61812-1:\u003c\/strong\u003e International\/European standard for time relays for industrial and residential use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 63000:\u003c\/strong\u003e Technical documentation for assessment of electrical and electronic products with respect to the restriction of hazardous substances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREACH:\u003c\/strong\u003e Compliant with EU REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e Restriction of Hazardous Substances — compliant with EU RoHS Directive, restricting use of hazardous materials in electrical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMachine sequencing and start-up delay control in industrial automation\u003c\/li\u003e\n\u003cli\u003eHVAC system fan and compressor delay-on start\u003c\/li\u003e\n\u003cli\u003eConveyor belt and motor start-delay protection\u003c\/li\u003e\n\u003cli\u003eProcess control panels requiring precise ON-delay timing\u003c\/li\u003e\n\u003cli\u003eBuilding automation and lighting control systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50229341716763,"sku":"1SVR730100R0300","price":68.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/abb-1svr730100r0300-ct-ers-21s-24-240vac-dc-ct-s-series_24381f24-ecb9-4457-ab79-e340bd70a178.webp?v=1777160792","url":"https:\/\/stoklink.com\/products\/abb-1svr730100r0300-ct-ers-21s-on-delay-timer-relay","provider":"Stoklink","version":"1.0","type":"link"}