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Polyphaser 3路保护 T1/E1 RS422/485防雷器IX-3L,UL 497B$n数据应用:T1/E1 422/485$n数据工作电压:12Vdc$n连接器类型:螺丝端子$n标准:UL497B
Polyphaser 2路保护 T1/E1 RS422/485防雷器IX-2L,2对T1/E1, RS422/485, 1对24Vdc,UL 497B$n数据应用:T1/E1 422/485$n数据工作电压:12Vdc$n连接器类型:螺丝端子$n标准:UL497B
Polyphaser T1/E1 RS422/485防雷器IX-1L1DC24-IG,1对T1/E1, RS422/485, 1对24Vdc,隔离直流接地,UL 497B$n数据应用:T1/E1 RS-232/422/485$n数据工作电压:12Vdc$n直流工作电压:24Vdc$n直流启动电压:33Vdc$n连接器类型:螺丝端子$n标准:UL497B