WS-250          WS-315       WS-400      WS-500
                              电源电压      单相220V        三相380V     三相380V    三相380V
                              额定输入电流   35A             20A         28A         32A
                              空载电压      63V             70V          70V         70V
                              输出电流调节   20-250A        20-315A      20-400A     20-500A
                              额定输出电压   30V            32.6V        36V         40V
                              推力调节范围   0-70A          0-100A      0-100A        0-100A
                              负载持续率（%） 60              60          60          60
                              空载损耗（W）   60              80          100         100
                              效率           85              85           85          85
                              功率因数       0.93            0.93        0.93         0.93
                              绝缘等级       F                F           F            F
                              外壳防护等级   IP21            IP21          IP21       IP21
                              重量  （KG）    17             30            30         32
                              外形尺寸    475X205X300       550X326X362   550X326X362  550X326X362