{"id":4876,"date":"2026-10-29T10:31:26","date_gmt":"2026-10-29T02:31:26","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=4876"},"modified":"2026-10-29T10:50:26","modified_gmt":"2026-10-29T02:50:26","slug":"spd-wire-length-short-leads","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ar\/blog\/spd-wire-length-short-leads\/","title":{"rendered":"\u0637\u0648\u0644 \u0633\u0644\u0643 \u0648\u0627\u0642\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631: \u0644\u0645\u0627\u0630\u0627 \u062a\u0642\u0644\u0644 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0645\u0646 \u0641\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631"},"content":{"rendered":"
\"Surge<\/figure>\n

\u0625\u062c\u0627\u0628\u0629 \u0633\u0631\u064a\u0639\u0629:<\/strong> \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD) \u0645\u0633\u062a\u0648\u0649 \u062d\u0645\u0627\u064a\u0629 \u062c\u0647\u062f \u0645\u0646\u0634\u0648\u0631 \u0645\u0646\u062e\u0641\u0636 (Up) \u0648\u0644\u0643\u0646\u0647 \u064a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0623\u0636\u0639\u0641 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647 \u0637\u0648\u064a\u0644\u0629. \u0623\u062b\u0646\u0627\u0621 \u0627\u0646\u062f\u0641\u0627\u0639 \u0633\u0631\u064a\u0639\u060c \u062a\u0636\u064a\u0641 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0631\u062a\u0641\u0627\u0639\u064b\u0627 \u0641\u064a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0626\u064a. \u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u0631 \u0645\u0646 \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0625\u0644\u0649 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0627\u0644\u0639\u0648\u062f\u0629 \u0625\u0644\u0649 PE \u0642\u0635\u064a\u0631\u064b\u0627 \u0648\u0645\u0628\u0627\u0634\u0631\u064b\u0627\u060c \u0648\u0627\u062a\u0628\u0639 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u062c\u0647\u0627\u0632 \u0648\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0627\u0644\u0645\u062d\u0644\u064a\u0629.<\/p>\n

\u0644\u0645\u0627\u0630\u0627 \u064a\u0647\u0645 \u0637\u0648\u0644 \u0633\u0644\u0643 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD)<\/h2>\n

A surge protective device diverts transient current through its protection path. The protected equipment experiences the SPD’s own limiting voltage \u0632\u0627\u0626\u062f<\/em> \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0637\u0648\u0631 \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a. \u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u064a\u062a\u063a\u064a\u0631 \u0628\u0633\u0631\u0639\u0629 \u0643\u0628\u064a\u0631\u0629\u060c \u062d\u062a\u0649 \u0627\u0644\u0633\u0644\u0643 \u0627\u0644\u0642\u0635\u064a\u0631 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0627\u0647\u0645 \u0641\u064a \u062c\u0647\u062f \u0625\u0636\u0627\u0641\u064a \u0630\u064a \u0645\u063a\u0632\u0649. \u0627\u0644\u0627\u0646\u062d\u0646\u0627\u0621\u0627\u062a \u0648\u0627\u0644\u062d\u0644\u0642\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0636\u0631\u0648\u0631\u064a\u0629 \u062a\u0639\u0642\u062f \u0627\u0644\u0645\u0633\u0627\u0631 \u0623\u064a\u0636\u064b\u0627. \u0648\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0647\u064a \u0623\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062b\u0628\u062a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 \u0639\u0644\u0649 \u0648\u0631\u0642\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631.<\/p>\n

\u062a\u0634\u0631\u062d \u0634\u0646\u0627\u064a\u062f\u0631 \u0625\u0644\u0643\u062a\u0631\u064a\u0643 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0641\u064a \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0637\u0648\u0644 \u0633\u0644\u0643 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD)<\/a>. \u062a\u0646\u0635\u062d DEHN \u0623\u064a\u0636\u064b\u0627\u060c \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629\u060c \u0628\u0636\u0631\u0648\u0631\u0629 \u062a\u062d\u062f\u064a\u062f \u0637\u0648\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0646\u0634\u0637 \u0644\u0644\u0645\u0648\u0635\u0644 \u0648 PE \u0625\u0644\u0649 0.5 \u0645\u062a\u0631\u060c \u0648\u0623\u0646 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0623\u0637\u0648\u0644 \u062a\u062a\u0637\u0644\u0628 \u062a\u062f\u0627\u0628\u064a\u0631 \u062a\u0635\u0645\u064a\u0645 \u0625\u0636\u0627\u0641\u064a\u0629. \u0627\u0646\u0638\u0631 \u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0640 DEHN<\/a>. \u064a\u0639\u062a\u0628\u0631 \u0627\u0644\u0631\u0642\u0645 0.5 \u0645\u062a\u0631 \u0647\u062f\u0641 \u062a\u0635\u0645\u064a\u0645 \u0645\u0641\u064a\u062f \u0644\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0628\u0623\u0633\u0644\u0648\u0628 IEC\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u060c \u0648\u0646\u0648\u0639 SPD\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0644\u0648\u062d\u0629 \u0648\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0647\u064a \u0627\u0644\u062a\u064a \u062a\u062d\u0643\u0645 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0641\u0639\u0644\u064a.<\/p>\n

\u0645\u0627 \u0647\u0648 \u0627\u0644\u0637\u0648\u0644 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0642\u064a\u0627\u0633\u0647\u061f<\/h2>\n

\u0642\u0645 \u0628\u0642\u064a\u0627\u0633 \u0645\u0633\u0627\u0631 \u062a\u0648\u0635\u064a\u0644 \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u0643\u0627\u0645\u0644<\/strong>, rather than only the visible earth wire. In a typical parallel-connected AC SPD, that means the conductor from the phase or neutral connection point to the SPD, plus the conductor from the SPD to the PE or earthing bar. If a separate backup protective device is in the path, include its connecting conductors when evaluating the layout. The equipment’s distance from the panel is a different question: a distant load may need a coordinated SPD closer to it.<\/p>\n\n\n\n\n\n\n\n\n
\u0633\u0624\u0627\u0644<\/th>\n\u0641\u062d\u0635 \u0639\u0645\u0644\u064a<\/th>\n<\/tr>\n<\/thead>\n
\u0647\u0644 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 (SPD) \u0642\u0631\u064a\u0628 \u0641\u0639\u0644\u064a\u064b\u0627 \u0645\u0646 \u0646\u0642\u0637\u0629 \u062a\u0648\u0635\u064a\u0644\u0647\u061f<\/td>\n\u0636\u0639\u0647 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0642\u0636\u064a\u0628 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 (busbar) \u0648\u0642\u0636\u064a\u0628 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0648\u0627\u0642\u064a (PE bar) \u0630\u064a \u0627\u0644\u0635\u0644\u0629\u060c \u0645\u0639 \u0645\u0633\u0627\u0631 \u0642\u0635\u064a\u0631 \u0648\u0645\u0628\u0627\u0634\u0631.<\/td>\n<\/tr>\n
\u0647\u0644 \u062a\u0645 \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0641\u064a \u062d\u0644\u0642\u0627\u062a\u061f<\/td>\n\u0642\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0637\u0648\u0644 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a\u061b \u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0630\u064a \u064a\u0636\u064a\u0641 \u0627\u0646\u062d\u0646\u0627\u0621\u0627\u062a \u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a\u0629 \u0623\u0648 \u062d\u0644\u0642\u0627\u062a \u0643\u0628\u064a\u0631\u0629.<\/td>\n<\/tr>\n
\u0647\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062d\u0645\u064a\u0629 \u0628\u0639\u064a\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0628\u061f<\/td>\n\u0631\u0627\u062c\u0639 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0647\u0646\u0627\u0643 \u062d\u0627\u062c\u0629 \u0644\u062c\u0647\u0627\u0632 \u062d\u0645\u0627\u064a\u0629 \u0625\u0636\u0627\u0641\u064a \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0641\u064a \u0627\u0644\u0645\u0635\u0628.<\/td>\n<\/tr>\n
\u0647\u0644 \u064a\u062d\u062f\u062f \u0627\u0644\u0645\u0646\u062a\u062c \u062d\u062c\u0645 \u0627\u0644\u0645\u0648\u0635\u0644 \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a\u0629\u061f<\/td>\nUse the exact manufacturer’s wiring and overcurrent-protection instructions.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0644\u0645\u0627\u0630\u0627 \u0642\u062f \u0644\u0627 \u064a\u062d\u0644 \u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u064a\u0645\u0629 Up \u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0633\u064a\u0626<\/h2>\n

\u064a\u062a\u0645 \u0642\u064a\u0627\u0633 Up \u0641\u064a \u0638\u0644 \u0638\u0631\u0648\u0641 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u062d\u062f\u062f\u0629 \u0639\u0646\u062f \u0627\u0644\u062c\u0647\u0627\u0632. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0627\u0639\u062f \u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u064a\u0645\u0629 Up\u060c \u0648\u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u0645\u062d\u0648 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u062c\u0647\u062f \u0641\u064a \u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0637\u0648\u064a\u0644\u0629. \u0642\u0627\u0631\u0646 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 (SPDs) \u0641\u0642\u0637 \u0628\u0639\u062f \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0641\u0626\u0629 \u0627\u062e\u062a\u0628\u0627\u0631\u0647\u0627\u060c \u0648\u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u0623\u0631\u064a\u0636\u060c \u0648\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u0641\u0631\u064a\u063a\u060c \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0631\u0643\u064a\u0628. \u064a\u0645\u0643\u0646 \u0644\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0642\u0635\u064a\u0631 \u062c\u062f\u064b\u0627 \u0628\u062c\u0647\u0627\u0632 \u062a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631\u0647 \u0628\u0634\u0643\u0644 \u0645\u0646\u0627\u0633\u0628 \u0623\u0646 \u064a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u062c\u0647\u0627\u0632 \u0630\u064a \u0642\u064a\u0645\u0629 Up \u0623\u0642\u0644 \u0627\u0633\u0645\u064a\u064b\u0627 \u0645\u062a\u0635\u0644 \u0628\u0623\u0633\u0644\u0627\u0643 \u0637\u0648\u064a\u0644\u0629 \u064a\u0645\u0643\u0646 \u062a\u062c\u0646\u0628\u0647\u0627.<\/p>\n

\u062a\u0634\u064a\u0631 Phoenix Contact \u0625\u0644\u0649 \u0623\u0646 \u0637\u0648\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u064a\u063a\u064a\u0631 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0641\u0639\u0627\u0644 \u0648\u062a\u0635\u0641 \u0645\u062a\u0637\u0644\u0628\u064b\u0627 \u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0637\u0648\u0631 \u0625\u0644\u0649 PE \u0628\u0637\u0648\u0644 0.5 \u0645\u062a\u0631 \u0641\u064a \u0633\u064a\u0627\u0642 DIN VDE 0100-534\u061b \u0627\u0646\u0638\u0631 \u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/a>. Do not transfer one jurisdiction’s numerical rule to every installation without checking local requirements.<\/p>\n

\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631: \u0637\u0628\u0642 \u0646\u0641\u0633 \u0627\u0644\u0645\u0628\u062f\u0623\u060c \u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629<\/h2>\n

\u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0648\u0627\u0644\u0645\u0628\u0627\u0634\u0631\u0629 \u0645\u0647\u0645\u0629 \u0641\u064a \u0643\u0644 \u0645\u0646 \u0644\u0648\u062d\u0627\u062a \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u0635\u0646\u0627\u062f\u064a\u0642 \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0637\u0627\u0628\u0642 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0646\u0641\u0633\u0647 \u0645\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629\u060c \u0642\u0645 \u0628\u062a\u0623\u0643\u064a\u062f \u0623\u0642\u0635\u0649 \u062c\u0647\u062f \u062a\u0634\u063a\u064a\u0644 \u0645\u0633\u062a\u0645\u0631 (Ucpv)\u060c \u0648\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u0646\u0648\u0639 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u060c \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a\u0629. \u0627\u0646\u0638\u0631 SPD placement near an inverter<\/a> \u0648 \u062f\u0644\u064a\u0644 \u0645\u0635\u0647\u0631 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a \u0644\u062c\u0647\u0627\u0632 SPD<\/a>. In an AC panel, also check the earthing system and the device’s declared connection arrangement.<\/p>\n

Do not relocate an SPD or change conductor size solely to satisfy an article. An electrician or qualified panel designer should check the actual installation, fault level, conductor routing, terminal torque and the manufacturer’s instructions.<\/p>\n

\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0644\u0648\u062d\u0629<\/h2>\n
    \n
  1. \u062d\u062f\u062f \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062f\u062e\u0644 \u0645\u0646\u0647\u0627 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u062f \u062d\u0645\u0627\u064a\u062a\u0647\u0627.<\/li>\n
  2. \u0627\u062e\u062a\u0631 \u062c\u0647\u0627\u0632 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0645\u0635\u0646\u0641\u064b\u0627 \u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0625\u0645\u062f\u0627\u062f \u0648\u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0644\u0644\u0627\u0646\u062f\u0641\u0627\u0639.<\/li>\n
  3. \u0627\u0631\u0633\u0645 \u0645\u0633\u0627\u0631 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0646 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0625\u0644\u0649 \u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0627\u0644\u0639\u0648\u062f\u0629 \u0625\u0644\u0649 PE.<\/li>\n
  4. \u0642\u0645 \u0628\u062a\u0642\u0635\u064a\u0631 \u0637\u0648\u0644 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u063a\u064a\u0631 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0648\u062a\u062c\u0646\u0628 \u0627\u0644\u062d\u0644\u0642\u0627\u062a \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u062e\u0644\u0648\u0635\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0648\u0646\u0635\u0641 \u0642\u0637\u0631 \u0627\u0644\u0627\u0646\u062d\u0646\u0627\u0621.<\/li>\n
  5. \u0642\u0645 \u0628\u062a\u0623\u0643\u064a\u062f \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u0642\u0637\u0639 \u0627\u0644\u0639\u0631\u0636\u064a \u0644\u0644\u0645\u0648\u0635\u0644\u060c \u0648\u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0645\u0642\u0627\u0628\u0644 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u062f\u0642\u064a\u0642\u0629.<\/li>\n
  6. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0628\u0639\u064a\u062f\u0629 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0642\u0645 \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0646\u0633\u0642\u0629 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u062a\u0644\u0643 \u0627\u0644\u0645\u0639\u062f\u0627\u062a.<\/li>\n
  7. \u0642\u0645 \u0628\u062a\u0648\u062b\u064a\u0642 \u0627\u0644\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0645\u062b\u0628\u062a \u0644\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a.<\/li>\n<\/ol>\n

    \u0623\u0633\u0626\u0644\u0629 \u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n

    \u0647\u0644 50 \u0633\u0645 \u0647\u0648 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0642\u0627\u0646\u0648\u0646\u064a \u062f\u0627\u0626\u0645\u064b\u0627\u061f<\/h3>\n

    \u0644\u0627 \u064a\u0648\u062c\u062f \u062d\u062f \u0639\u0627\u0644\u0645\u064a \u064a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0643\u0644 \u0645\u0646\u062a\u062c \u0648\u0643\u0644 \u0648\u0644\u0627\u064a\u0629 \u0642\u0636\u0627\u0626\u064a\u0629. \u064a\u0638\u0647\u0631 \u062a\u0648\u062c\u064a\u0647 0.5 \u0645\u062a\u0631 \u0641\u064a \u0633\u064a\u0627\u0642\u0627\u062a \u062a\u0631\u0643\u064a\u0628 \u0645\u062d\u062f\u062f\u0629 \u0628\u0623\u0633\u0644\u0648\u0628 IEC \u0648\u0645\u0646\u0634\u0648\u0631\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629. \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0648\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0637\u0628\u0642\u0629 \u0639\u0644\u0649 \u0645\u0634\u0631\u0648\u0639\u0643.<\/p>\n

    \u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u0628\u0628\u0633\u0627\u0637\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0633\u0644\u0643 \u062a\u0623\u0631\u064a\u0636 \u0623\u0643\u0628\u0631\u061f<\/h3>\n

    \u062d\u062c\u0645 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0635\u062d\u064a\u062d \u0636\u0631\u0648\u0631\u064a\u060c \u0648\u0644\u0643\u0646 \u0645\u0642\u0637\u0639 \u0639\u0631\u0636\u064a \u0623\u0643\u0628\u0631 \u0644\u064a\u0633 \u0628\u062f\u064a\u0644\u0627\u064b \u0639\u0646 \u0645\u0633\u0627\u0631 \u0627\u0646\u062f\u0641\u0627\u0639 \u0642\u0635\u064a\u0631 \u0648\u0645\u0628\u0627\u0634\u0631. \u062a\u062d\u0642\u0642 \u0645\u0646 \u0643\u0644\u0627 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u064a\u0646.<\/p>\n

    \u0647\u0644 \u062c\u0647\u0627\u0632 SPD \u0642\u0631\u064a\u0628 \u064a\u062d\u0645\u064a \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0639\u0644\u0649 \u0628\u0639\u062f 10 \u0623\u0645\u062a\u0627\u0631\u061f<\/h3>\n

    \u0644\u064a\u0633 \u0628\u0627\u0644\u0636\u0631\u0648\u0631\u0629. \u062a\u0624\u062b\u0631 \u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0648\u0642\u062f\u0631\u0629 \u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0644\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0639\u0644\u0649 \u0627\u0644\u0646\u062a\u064a\u062c\u0629. \u0642\u0645 \u0628\u062a\u0642\u064a\u064a\u0645 \u062a\u0646\u0633\u064a\u0642 \u062c\u0647\u0627\u0632 SPD \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0647\u0646\u0627\u0643 \u062d\u0627\u062c\u0629 \u0644\u062c\u0647\u0627\u0632 \u062b\u0627\u0646\u064d \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644.<\/p>\n

    \u0644\u0645\u0634\u0631\u0648\u0639 \u0644\u0648\u062d\u0629 \u062a\u0648\u0632\u064a\u0639 \u0623\u0648 \u0635\u0646\u062f\u0648\u0642 \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0634\u0645\u0633\u064a\u0629\u060c, \u0623\u0631\u0633\u0644 \u0625\u0644\u0649 \u0634\u0631\u0643\u0629 Kuangya \u0645\u062e\u0637\u0637 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0648\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/a> so the appropriate SPD documentation can be reviewed before selection.<\/p>","protected":false},"excerpt":{"rendered":"

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