DPA53CM48佳乐CARLO GAVAZZI相序保护器 DPA53CM48 DPA51CM44B011瑞士佳乐CARLO GAVAZZI电压保护继电器,三相电压继电器,外型尺寸：83.5*22.5*99.5（导轨安装） 功能：相序，缺相监控继电器，3相AC来电和再生电压监控 测量范围：208-480VAC *大负载能力：1*SPDT，5A/250VAC *大负载能力：5A/24VDC 电气寿命：大于1*10000000次 电源电压：208-480VAC 1*SPT继电器 认证：CE-UL DPA51CM44B001：DPA51CM44 3-PHASE MONITORING RELAY REV.0 DPA51CM44B003：DPA51CM44 3-PHASE MONITORING RELAY REV.0 DPA51CM44B011：DPA51CM44 3-PHASE MONITORING RELAY REV.0 DPA53CM23：DPA53CM23 3-PHASE SEQ./PHASE LOSS RELAY REV.1 DPA53CM48：DPA53CM48 3-PHASE SEQ./PHASE LOSS RELAY REV.1 DPA55CM44：DPA55CM44 3-PHASE MAINS QUALITY RELAY REV.2 DPA71DM23：DPA71DM23 3-PHASE MONITORING RELAY REV.1 DPA71DM48：DPA71DM48 3-PHASE MONITORING RELAY REV.1
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