{"product_id":"250sv43b-square-d-025-kva-buck-and-boost-transformer-120240vac-to-1224vac","title":"250SV43B | Square D 0.25 kVA Buck and Boost Transformer 120×240VAC to 12\/24VAC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"474\" data-start=\"21\"\u003eThe Square D 250SV43B is a 0.25 kVA single-phase buck and boost transformer designed for voltage correction in industrial and commercial electrical systems. It supports a 120 × 240 VAC primary with a 12\/24 VAC secondary that can be interconnected for autotransformer operation. This dry-type transformer is housed in a NEMA 3R enclosure for indoor and outdoor installations.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 372.282px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eSquare D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003ePower Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e250SV43B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eBuck and Boost Transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eBuck and Boost Transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e0.25 kVA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eSingle-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003ePrimary Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e120 × 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eSecondary Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e12 \/ 24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e120 × 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e12 \/ 24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eTemperature Rise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eDry type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003eNEMA 3R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 38.5774%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.2033%; height: 19.5938px;\"\u003e9.7 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 250SV43B\u003c\/h4\u003e\n\u003cp data-end=\"1065\" data-start=\"503\"\u003eThe 250SV43B is a buck and boost transformer manufactured by Square D for flexible voltage adjustment applications. It is commonly used to compensate for over-voltage or under-voltage conditions by interconnecting the primary and secondary windings. The transformer features a dry-type design with an 80 °C temperature rise rating and is suitable for demanding electrical environments. Its NEMA 3R enclosure provides protection against rain, sleet, and external moisture exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-end=\"1102\" data-start=\"1085\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuck and Boost Transformer Design: Allows voltage correction by stepping voltage up or down.\u003c\/li\u003e\n\u003cli\u003eAutotransformer Capability: Primary and secondary windings can be interconnected.\u003c\/li\u003e\n\u003cli\u003e0.25 kVA Power Rating: Suitable for small load voltage adjustment applications.\u003c\/li\u003e\n\u003cli\u003eDual Secondary Voltage Output: Provides 12 VAC or 24 VAC secondary options.\u003c\/li\u003e\n\u003cli\u003eSingle-Phase Operation: Designed for standard single-phase electrical systems.\u003c\/li\u003e\n\u003cli\u003eNEMA 3R Enclosure: Rated for indoor and outdoor installations.\u003c\/li\u003e\n\u003cli\u003eDry-Type Construction: Requires no liquid cooling or maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 250SV43B delivers the reliability and precision required for voltage correction and control in electrical distribution systems.\u003c\/p\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":49104934732032,"sku":"250SV43B","price":777.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/files_a8d7626e-b01a-44dd-98e3-08001a3aad4d.jpg?v=1785536537","url":"https:\/\/alotechparts.com\/products\/250sv43b-square-d-025-kva-buck-and-boost-transformer-120240vac-to-1224vac","provider":"Alo Tech Solutions","version":"1.0","type":"link"}