| 摘要 |
PURPOSE: A power supply for vending machine is provided to prevent damages of a plurality of coolers by processing leakage break of the cooler, respectively. CONSTITUTION: A power supply for vending machine includes the first and the second cooling parts(40,50) and a system load part(60). The power supply for vending machine further includes the first leakage current circuit breaker(20) and the second leakage current circuit breaker(30). The first leakage current circuit breaker(20) is installed on the first power supply path(21). The second leakage current circuit breaker(30) is installed on the second power supply path(31). The first and the second cooling parts receive the power from the first and the second power supply paths(21,31), respectively. |
