The main difference between the low voltage difference between the low voltage switch equipment devices: insulation class is different. Such as low-voltage switchgear, low voltage switch manufacturers, requires work in 380V systems, low voltage, pressure level according to the rated voltage of 380V class designed, manufactured and tested. The 10kV switchgear, low voltage switch box how much pressure the rated voltage of 10kV level is necessary to consider the request. Air-source heat pump water heater internal structure consists of four core components: a compressor, a condenser, an expansion valve, an evaporator refrigerant composition as well as the temperature of the carrier. For now developed the environmentally friendly refrigerant refrigerant compressor comprising: C02, R134a, R410A, R417A refrigerant compressors, etc.. Water temperature up to 80 ℃, 90 ℃ can even reach sales of low voltage, low voltage, provided by the Henan Xi Xi Connaught Electrical and Mechanical and Electrical Equipment Co. Connaught. Sales of low voltage, low voltage, Xi Xi Henan Connaught Connaught Electrical and Mechanical Electrical Equipment Co., Ltd. (www.hnxinuo.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact picture on this page or telephone obtain the latest information, contact: Yang Yongjie.