ABB模块DSQC626电源装置PLC模块
选择:ABB DSQC626A选择漏电保护器应按照使用目的和根据作业条件选用:
按使用目的选用:
①以防止人身触电为目的。安装在线路末端,选用高灵敏度,快速型漏电保护器。
②以防止触电为目的与设备接地并用的分支线路,选用中灵敏度、快速型漏电保护器。
③用以防止由漏电引起的火灾和保护线路、设备为目的的干线,应选用中灵敏度、延时型漏电保护器。
ABB DSQC626A按供电方式选用:
①保护单相线路(设备)时,选用单极二线或二极漏电保护器。
②保护三相线路(设备))时,选用三极产品。
R既有三相又有单相时,选用三极四线或四极产品。
Selection :ABB DSQC626A selection of leakage protectors should be selected according to the purpose of use and according to the operating conditions:
Select according to the purpose of use:
① For the purpose of preventing personal electric shock. Installed at the end of the line, the selection of high sensitivity, fast leakage protector.
② For the branch line grounded with the equipment for the purpose of preventing electric shock, choose a medium sensitivity and fast leakage protector.
(3) For the purpose of preventing fire caused by leakage and protecting lines and equipment, medium sensitivity and delay type leakage protector should be selected.
ABB DSQC626A Selected by power supply mode:
① When protecting single-phase lines (equipment), choose a single-pole two-wire or two-pole leakage protector.
② When protecting three-phase lines (equipment), choose three-pole products.
When there are both three-phase and single-phase, choose three-pole four-wire or four-pole products.