{"product_id":"onesto-275v-10ka-ac-2-pole-surge-arrestor","title":"Onesto 275V 10kA AC 2 Pole Surge Arrestor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThe Onesto 275V 10kA AC 2 Pole Surge Arrestor is a DIN rail surge protection device for use in compatible AC electrical installations. Model BY7-10\/2-275 provides a two-pole configuration with a maximum continuous operating voltage of 275 V and a maximum surge current rating of 10 kA.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-pole configuration for installations requiring a two-pole surge protection device.\u003c\/li\u003e\n\u003cli\u003e275 V maximum continuous operating voltage for selection against the electrical system requirements.\u003c\/li\u003e\n\u003cli\u003e10 kA maximum surge current rating.\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting suits compatible distribution board layouts.\u003c\/li\u003e\n\u003cli\u003eIndication window provides a visual device status check.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSurge protection in compatible AC distribution boards.\u003c\/li\u003e\n\u003cli\u003eDomestic and commercial electrical installations where the specified ratings and configuration meet the installation design.\u003c\/li\u003e\n\u003cli\u003eAC circuits associated with backup power installations, subject to the electrician’s system design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose This Product?\u003c\/h3\u003e\u003cp\u003eThis Onesto surge arrestor provides a two-pole option in the existing Onesto protection range, with DIN rail mounting and a visual indication window for practical distribution board installation and inspection.\u003c\/p\u003e\u003ch3\u003eImportant Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInstallation and device selection must be completed by a qualified electrician using the manufacturer’s wiring instructions.\u003c\/li\u003e\n\u003cli\u003eThis is an AC surge protection device. Do not use it as a DC solar PV surge arrestor.\u003c\/li\u003e\n\u003cli\u003eConfirm the earthing arrangement, required backup protection, connection sizes and coordination with other surge protection devices before installation.\u003c\/li\u003e\n\u003cli\u003eThe 10 kA rating is a surge current rating, not the continuous load current or a circuit breaker rating.\u003c\/li\u003e\n\u003cli\u003eSurge protection does not replace overload, short-circuit or earth leakage protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOnesto\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBY7-10\/2-275\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAC surge arrestor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Continuous Operating Voltage (Uc)\u003c\/td\u003e\n\u003ctd\u003e275 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Surge Current (Imax)\u003c\/td\u003e\n\u003ctd\u003e10 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003eIndication window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Onesto","offers":[{"title":"Default Title","offer_id":50592020234480,"sku":"SUS-BY7-10\/2-275","price":542.95,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/7623\/6737\/files\/onesto-275v-10ka-ac-2-pole-surge-arrestor.png?v=1791536423","url":"https:\/\/www.sustainable.co.za\/products\/onesto-275v-10ka-ac-2-pole-surge-arrestor","provider":"Sustainable","version":"1.0","type":"link"}