Description
UPS柜及配电柜均应设有保护接地螺钉，以提供所装设备的电源接地；PLC设备的I/O机柜、仪表柜和手操盘台应同时设置屏蔽接地汇流排和保护接地螺钉，分别作为信号接地和电源接地；对安全栅柜，除设置屏蔽接地汇流排和保护接地螺钉外，还应设置本安接地汇流排。
SIEMENS SIMOREG 20/60A POWER BOARD 6RB2120-OFD01
1 NEW SIEMENS P4C60ML600ATS PANEL BOARD NNB
SIEMENS 6FC5111-0BA01-0AA0 Measuring Circuit Board NEW!
SIEMENS 6SN1121-0BA13-0AA0/6SN11210BA130AA0 BOARD*XLNT*
Siemens Circuit Board 6FX1151-1B001 6FX11511B001 A 6FX
Siemens Turbo Parison Circuit Board 505-5103 WARRANTY
