ul cul certified loop feed transformer

{"cid":"91201625","title":"1000Kva Three Phase Pad Mounted Transformer 304SS Distribution 12000V Oil Immersed UL \/ CUL Certified","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/dc\/03\/50537fb5544cc0be0d2b76322638-200x200-1.jpg","attrs":{"Price":"$5000-$150000","Brand Name":"WINLEY","Model Number":"ZGS-1000\/34.5","Minimum Order Quantity":"1unit","Delivery Time":"30days","Certification":"UL,CE,ISO","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"1000set\/month","Packaging Details":"Plywood case","Phase":"Three Phase","Capacity":"1MVA (1000KVA)","Primary Voltage":"12000V","secondary Voltage":"480Y\/277V","Feed Type":"loop feed","Material":"Copper\/Aluminum","Tank Material":"304 Stainless Steel","UL\/cUL Certification":"UL-US-2431836-0, UL-CA-2423202-0"}}

{"cid":"91222997","title":"Low-Frequency Transformer 50VA 110V\/220V to Dual 12V F-Class Insulation Safety Certified for Power & Communication Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ab\/3f\/94bcc75bce44244d3ad522675ce0-200x200-1.jpg","attrs":{"Price":"CN\u00a55.82\/pieces 500-999 pieces","Brand Name":"CHIPSEN","Model Number":"EI60","Minimum Order Quantity":"500 pieces","Type":"power transformer, EI Series","Material":"Copper","Frequency":"100-500KHz","Shape":"Rectangle","Toplogy":"FORWARD, BUCK, Boost, Flyback","Winding Material":"Copper","Place of Origin":"Guangdong, China","application":"High Frequency","Phase":"Single Phase","Coil Structure":"TOROIDAL","Coil Number":"AUTOTRANSFORMER, AUTOTRANSFORMER","Input Voltage":"220kV, 110kV","Output Voltage":"12V , 24V, 36V, 48V, 220V, 110V","Components":"copper wire","Certification":"UL\/IS09001\/IS014001\/RoHS\/Reach","Usage":"Electronic","Product name":"Low Frequency Transformer","Working Frequency Range":"220-240V 500KHz","MOQ":"1000 Pcs","Quality":"High-quality","Brand":"OEM ODM"}}