● Able to withstand 20 tons of pressure on the ground; ● Altitude ≤ 1000m; ● Ambient temperature -25~40℃; ● Relative humidity ≤ 90% (monthly average at +25℃); wind speed ≤ 34m/s; ● Ice thickness ≤ 20mm; ● Pollution level II, III; ● Protection level IP23D;● Able to withstand 20 tons of pressure on the ground; ● Altitude ≤ 1000m; ● Ambient temperature -25~40℃; ● Relative humidity ≤ 90% (monthly average at +25℃); wind speed ≤ 34m/s; ● Ice thickness ≤ 20mm; ● Pollution level II, III; ● Protection level IP23D;ZBW□ type prefabricated substation is a complete set of distribution equipment that combines high-voltage switchgear,distribution transformers,low-voltage switchgear,electric energy metering devices,power factor compensation devices,etc.,in one or several boxes according to certain wiring. This manual covers all models of the iBoot-PDU product family. See Appendix A for a complete list of models, SKUs and feature sets for each model. iBoot-PDUs feature a clear easy to use web browser. The total area of TSTY is 250,000 square meters, covering 15 production lines, 3 intelligent production lines, more than 220 sets of intelligent equipment and testing equipment, achieving an annual output value of 1 billion, and ensuring a product qualification rate of more than 99. It has the functions of monitoring the low-voltage side load and frequency of the distribution transformer, collecting power, and controlling the. What is a Distribution Box? A distribution box, or DB box, is a circuit breaker enclosure. Whether it's a home, office, or factory.