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由于轨道型(DIN Rail)电源的使用日渐广泛,明纬继开发完成了SDR家族(120～480W超高效率系列)、WDR-120(120W)、WDR-480(480W)系列之后,新推出了240W单相/两相宽电压输入范围之AC-DC薄型轨道型交换式电源供应器WDR-240系列,使得WDR家族产品线亦逐渐趋于完整。
Due to the increasing use of DIN Rail power supplies, MSI has newly released the SDR family (120 to 480W ultra-high efficiency series), WDR-120 (120W) and WDR-480 (480W) series The 240-W single-phase / two-phase wide voltage input range of the WDR-240 AC-DC Low Profile Switching Power Supply makes the WDR family of products even more complete.