{"product_id":"woonyoung-wyr-og4dc-digital-3-phase-overcurrent-and-ground-overcurrent-relay-ocr-ocgr","title":"Woonyoung WYR-OG4DC Digital 3-Phase Overcurrent and Ground Overcurrent Relay (OCR+OCGR)","description":"\u003cp class=\"ps-intro\"\u003eDigital relay combining three-phase overcurrent and ground overcurrent protection (ANSI 50\/51, 50\/51N) for 3CT plus residual or zero-sequence CT.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eThree-phase overcurrent plus ground overcurrent elements\u003c\/li\u003e\n\u003cli\u003eIEC 60255 and KEPCO time curves\u003c\/li\u003e\n\u003cli\u003eFault memory of operating current and operating time\u003c\/li\u003e\n\u003cli\u003eRS-485 Modbus communication\u003c\/li\u003e\n\u003cli\u003eFree-voltage auxiliary supply AC\/DC 110-240 V\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eIEC 60255, KEMC 1120, KEPCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAux. power\u003c\/th\u003e\n\u003ctd\u003eAC\/DC 110-240 V free voltage (DC 110\/220 V, 5 W), 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrip contact\u003c\/th\u003e\n\u003ctd\u003e1a, AC 250 V \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal withstand\u003c\/th\u003e\n\u003ctd\u003e10 A continuous; 100 A for 10 s; 200 A for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026gt; 100 MOhm at DC 500 V (IEC 60255-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric withstand\u003c\/th\u003e\n\u003ctd\u003eAC 2 kV for 1 min (IEC 60255-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpulse withstand\u003c\/th\u003e\n\u003ctd\u003e5 kV, 1.2\/50 us (IEC 60255-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShock resistance\u003c\/th\u003e\n\u003ctd\u003eApprox. 30 G, 3 times in each of 3 directions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVibration resistance\u003c\/th\u003e\n\u003ctd\u003e30 Hz, 0.4 mm double amplitude, 600 s in X, Y and Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-10 to +55 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage temperature\u003c\/th\u003e\n\u003ctd\u003e-20 to +70 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDegree of protection\u003c\/th\u003e\n\u003ctd\u003eIP52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eWYR-OG4DC\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eElements: OCR x 3 + OCGR x 1\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Woonyoung","offers":[{"title":"Default Title","offer_id":67477267087650,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/woonyoung-wyr-og4dc-digital-3-phase-overcurrent-and-ground-overcurrent-relay-ocr-ocgr-1.jpg?v=1791437381","url":"https:\/\/prosourcemro.com\/products\/woonyoung-wyr-og4dc-digital-3-phase-overcurrent-and-ground-overcurrent-relay-ocr-ocgr","provider":"ProSource MRO","version":"1.0","type":"link"}