汇川变频器MD520-4T3.0B模块汇川变频器MD520-4T3.0B模块汇川变频器MD520-4T3.0B模块MD520-4T3.0B 1TKM836F000 1ESMD751L4TXA 2pcsESMD152L4TXA 1pcs(要未税价)AMP-0056 11) E82EV371_2B (00418040) // 1 PCS.MDX61B0300-503-4-0T S