{"product_id":"abb-1svr730784r2300-cm-pss-31s-phase-monitoring-relay","title":"ABB 1SVR730784R2300 CM-PSS.31S Three-Phase Monitoring Relay 2 C\/O 0.1-30s 3x380V AC Phase Monitoring Relay","description":"\u003cp\u003eThe ABB CM-PSS.31S (SKU: 1SVR730784R2300) is a three-phase monitoring relay designed to protect motors, transformers, and industrial loads against phase faults including phase failure, phase sequence errors, and phase asymmetry. Rated at 3×380V AC with a 2 C\/O output and an adjustable time delay of 0.1–30 seconds, the CM-PSS.31S provides reliable protection in demanding control panel environments.\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\u003eCM-PSS.31S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1SVR730784R2300\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\u003eCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhase Monitoring Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3×380V AC (L1-L2-L3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 A\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\u003eTime Delay Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1–30 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H×W×D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e97 × 30 × 109 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.157 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4016779851817\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 requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUKCA:\u003c\/strong\u003e UK Conformity Assessed — compliant for Great Britain market\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecULus:\u003c\/strong\u003e Listed to both UL and CSA standards for North American markets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL 508:\u003c\/strong\u003e 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\u003eCSA:\u003c\/strong\u003e Canadian Standards Association certification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN\/CSA C22.2 No.14:\u003c\/strong\u003e Canadian standard for industrial control equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 60255-27:\u003c\/strong\u003e Measuring relays and protection equipment — product safety requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 61000-6-2:\u003c\/strong\u003e Electromagnetic compatibility — immunity for industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 61000-6-3:\u003c\/strong\u003e Electromagnetic compatibility — emission standard for residential\/light industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/EN 63000:\u003c\/strong\u003e Technical documentation for the assessment of electrical and electronic products regarding restricted substances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC 60715:\u003c\/strong\u003e Dimensions of low-voltage switchgear and controlgear — DIN rail mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN 60255 \/ EN 61000-6:\u003c\/strong\u003e European standards for measuring relays and EMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e Restriction of Hazardous Substances — compliant with EU Directive 2011\/65\/EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREACH:\u003c\/strong\u003e Registration, Evaluation, Authorisation and Restriction of Chemicals — EU compliance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMotor protection against phase failure, incorrect phase sequence, and phase asymmetry\u003c\/li\u003e\n\u003cli\u003eProtection of three-phase loads in industrial automation control panels\u003c\/li\u003e\n\u003cli\u003ePump, compressor, and conveyor motor protection systems\u003c\/li\u003e\n\u003cli\u003eGenerator and transformer monitoring in power distribution\u003c\/li\u003e\n\u003cli\u003eBuilding automation and HVAC motor protection applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat does the CM-PSS.31S monitor?\u003c\/strong\u003e\u003cbr\u003eThe ABB CM-PSS.31S monitors three-phase AC supplies for phase failure, incorrect phase sequence, and phase asymmetry, triggering its 2 C\/O output contacts upon a fault condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the adjustable time delay range?\u003c\/strong\u003e\u003cbr\u003eThe time delay is adjustable from 0.1 to 30 seconds, allowing engineers to set appropriate response times to avoid nuisance tripping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the CM-PSS.31S suitable for DIN rail mounting?\u003c\/strong\u003e\u003cbr\u003eYes. The CM-PSS.31S is compliant with IEC 60715 and is designed for standard 35 mm DIN rail installation inside control panels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat certifications does the CM-PSS.31S carry?\u003c\/strong\u003e\u003cbr\u003eThe relay holds CE, UKCA, cULus, UL 508, CCC, CSA, CAN\/CSA C22.2 No.14, RoHS, and REACH certifications, making it suitable for global deployment.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50229334999323,"sku":"1SVR730784R2300","price":114.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/abb-1svr730784r2300-cm-pss-31s-phase-monitoring-relay_6cd17764-2b52-4ab4-b590-65b3d1039871.webp?v=1777160831","url":"https:\/\/stoklink.com\/products\/abb-1svr730784r2300-cm-pss-31s-phase-monitoring-relay","provider":"Stoklink","version":"1.0","type":"link"}