thyro-a 单相调功器电源电压 230v 400v 500v额定电流 可达1500a操作模式: 过零触发 相角触发 快速半波用于两相之间或者单相\中线的单相负载相关产品型号1a230-45h1 1a230-60h1 1a230-100h1 1a230-130h1 1a230-170h1 1a230-280hf1 1a230-350hf11a400-45h1 1a400-60h1 1a400-130h1 1a400-170h1 1a400-280hf1 1a400-350hf1 1a400-495hf1