YUS1-63NJT is our company's latest research and development of small house double power switch automatic, known for small, easy to operation, this product is easy to connect, and installed with flame retardant shell, many who use at home, can also be used in shopping malls, Emergency lighting use, YUS1-63NJT ສາມາດນໍາໃຊ້ໄດ້ທີ່ -20℃ ~ 70℃ ອຸນຫະພູມປົກກະຕິ. ສາມາດ​ແກ້​ໄຂ​ບັນຫາ​ໄຟ​ຟ້າ​ໄດ້