{"product_id":"kyongbo-electric-digital-over-current-ground-over-current-unbalance-relay-gd31-ab17-50-51-50n-51n-50b-46u","title":"Kyongbo Electric Digital Over Current \/ Ground Over Current \/ Unbalance Relay GD31-AB17 (50\/51, 50N\/51N, 50B, 46U)","description":"\u003cp class=\"ps-intro\"\u003eGD31-AB17 is a digital relay based on the KEPCO over current relay technical standard for 345 kV transformer tertiary, 154 kV transformer back-up, 23 kV distribution line, phase modifying equipment and high-voltage feeder protection.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eProtects 3-phase 4-wire systems with one relay\u003c\/li\u003e\n\u003cli\u003eOutput contacts for signal 2a and 2b, no auxiliary relay needed\u003c\/li\u003e\n\u003cli\u003eFault waveform and event recording\u003c\/li\u003e\n\u003cli\u003eVarious operating time characteristics\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\u003eControl Power\u003c\/th\u003e\n\u003ctd\u003eAC\/DC 110-220 V (free voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eCharacter LCD (4 lines x 20 characters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eModbus RTU, RS-485 1 port (rear), RS-232C 1 port (front)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEvent Record\u003c\/th\u003e\n\u003ctd\u003eUp to 1,024 events\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFault Waveform Record\u003c\/th\u003e\n\u003ctd\u003eUp to 6 records\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (W x H x D)\u003c\/th\u003e\n\u003ctd\u003e168 x 218 x 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eapprox. 5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplied Standard\u003c\/th\u003e\n\u003ctd\u003eES-5945-0001\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\u003eGD31-AB17\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFunctions: 50\/51, 50N\/51N, 50B, 46U | Digital Input: 3 points, AC\/DC 110-220 V | Trip Output: 1a x 4, 1b x 1 (16 A at AC 250 V) | Alarm Output: 2a x 5, 2b x 1 (5 A at AC 250 V) | Analog Input: Current 4 circuits, AC 5 A | Burden: \u0026lt; 0.5 VA\/phase | Control Power Burden: 70 W max operating, 30 W max standby\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Kyongbo Electric","offers":[{"title":"Default Title","offer_id":67495225262370,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/kyongbo-electric-digital-over-current-ground-over-current-unbalance-relay-gd31-ab17-50-51-50n-51n-50b-46u-1.jpg?v=1791599302","url":"https:\/\/prosourcemro.com\/products\/kyongbo-electric-digital-over-current-ground-over-current-unbalance-relay-gd31-ab17-50-51-50n-51n-50b-46u","provider":"ProSource MRO","version":"1.0","type":"link"}