{"id":3408,"date":"2026-03-22T09:00:00","date_gmt":"2026-03-22T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/enhance-electrical-safety-with-the-mcb-jcb3-80h\/"},"modified":"2026-10-24T14:20:53","modified_gmt":"2026-10-24T06:20:53","slug":"%d8%a8%d8%a7-mcb-jcb3-80h-%d8%a7%db%8c%d9%85%d9%86%db%8c-%d8%a7%d9%84%da%a9%d8%aa%d8%b1%db%8c%da%a9%db%8c-%d8%b1%d8%a7-%d8%a7%d9%81%d8%b2%d8%a7%db%8c%d8%b4-%d8%af%d9%87%db%8c%d8%af","status":"publish","type":"post","link":"https:\/\/w9-group.com\/fa\/blog\/enhance-electrical-safety-with-the-mcb-jcb3-80h\/","title":{"rendered":"\u0628\u0627 MCB JCB3-80H \u0627\u06cc\u0645\u0646\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u06cc\u062f"},"content":{"rendered":"

\u0645\u0627\u062a\u0631\u06cc\u0633 \u0645\u0634\u062e\u0635\u0627\u062a JCB3-80H<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
\u0632\u0645\u06cc\u0646<\/th>\n\u0644\u06cc\u0633\u062a \u0628\u0631\u0631\u0633\u06cc \u0634\u062f\u0647<\/th>\n\u0633\u0641\u0627\u0631\u0634 \u0631\u0627 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f<\/th>\n<\/tr>\n<\/thead>\n
\u0645\u0648\u062c\u0648\u062f\u0647<\/td>\n1\u201380 A<\/td>\nExact step and code<\/td>\n<\/tr>\n
\u0634\u06a9\u0633\u062a \u0631\u06cc\u062a\u06cc\u0646\u06af<\/td>\n10 kA version<\/td>\nVoltage and applicable declaration<\/td>\n<\/tr>\n
\u06a9\u064f\u0631\u0650\u0648\u06cc<\/td>\nB\/C\/D<\/td>\nCorresponding time-current curve<\/td>\n<\/tr>\n
\u067e\u0648\u0634\u0646\u062f\u06af\u0627\u0646 \u0644\u0647\u0633\u062a\u0627\u0646\u06cc<\/td>\nSingle through four-pole options<\/td>\nActual neutral and phase arrangement<\/td>\n<\/tr>\n
\u062d\u0641\u0627\u0638\u062a<\/td>\n\u062a\u0644\u0641 \u0648 \u062c\u0631\u06cc\u0627\u0646 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f<\/td>\nSeparate residual-current requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
Proposed use<\/th>\nMain check<\/th>\n<\/tr>\n<\/thead>\n
Motor branch<\/td>\nStarting envelope and curve<\/td>\n<\/tr>\n
Distribution board<\/td>\nTerminals and assembly acceptance<\/td>\n<\/tr>\n
High fault level<\/td>\nApplicable interruption rating<\/td>\n<\/tr>\n
Electronic equipment<\/td>\nAny required RCD arrangement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f miniature circuit breaker range<\/a> using the load duty, pole arrangement and fault-level study.<\/p>\n

\"jcb3-80h-3.webp\"<\/p>\n

Check the JCB3-80H rating against the board<\/h2>\n

W9’s current listing identifies 1\u201380 A options, B\/C\/D curves and a 10 kA version. Compare the applicable rating at the actual voltage with the prospective \u0634\u0627\u0631\u0698 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0648\u062a\u0627\u0647<\/strong>. Do not assume a higher headline kA value makes the device a universal replacement for another MCB.<\/p>\n

The exact pole arrangement, terminal system, busbar geometry and assembly requirements must also fit. Select the curve using starting behaviour and fault-disconnection calculations. If the circuit requires \u062d\u0641\u0627\u0638\u062a \u0627\u0632 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647<\/strong>, the MCB label does not supply it.<\/p>\n

\u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0627\u0645\u0631\u0648\u0632 \u067e\u0631\u0633\u0631\u0639\u062a\u060c \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u0645\u0646\u06cc\u062a \u0648 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0631\u0642 \u0628\u0633\u06cc\u0627\u0631 \u062d\u0627\u0626\u0632 \u0627\u0647\u0645\u06cc\u062a \u0627\u0633\u062a. \u062e\u0648\u0627\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062e\u0627\u0646\u06af\u06cc \u06cc\u0627 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0628\u0631\u0642 \u0635\u0646\u0639\u062a\u06cc\u060c MCB JCB3-80H<\/a> \u0642\u0637\u0639\u200c\u06a9\u0646 \u06a9\u0648\u0686\u06a9 \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u0642\u0627\u0628\u0644 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a. \u0628\u0627 \u062d\u0641\u0627\u0638\u062a \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0627\u062e\u062a\u0644\u0627\u0644 \u0648 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0648\u0644\u062a\u0627\u0698 \u0648 \u0638\u0631\u0641\u06cc\u062a \u0642\u0637\u0639 \u062a\u0627 \u06f1\u06f0\u06f0 \u06a9\u06cc\u200c\u0622\u060c \u0627\u06cc\u0646 \u0642\u0637\u0639\u200c\u06a9\u0646 \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u0647\u0645 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u0645\u0634 \u062e\u0627\u0637\u0631 \u0648 \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062e\u0637\u0631\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n

MCB JCB3-80H \u062f\u0627\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f\u0647 \u062c\u0631\u06cc\u0627\u0646 \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u0627\u06cc \u0627\u0633\u062a\u060c \u0627\u0632 \u06f1A \u062a\u0627 \u06f8\u06f0A\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0637\u06cc\u0641 \u06af\u0633\u062a\u0631\u062f\u0647\u0627\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627 \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a. \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u06f1\u060c \u06f2\u060c \u06f3 \u0648 \u06f4 \u0642\u0637\u0628\u06cc\u060c \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0646\u0639\u0637\u0627\u0641\u067e\u0630\u06cc\u0631\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0645\u06cc\u200c\u0628\u062e\u0634\u062f \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0646\u0635\u0628 \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u0645\u0646\u062d\u0646\u06cc B\u060c C \u06cc\u0627 D \u0627\u0645\u06a9\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u0628\u0631\u0627\u0633\u0627\u0633 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u062e\u0627\u0635 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u06cc\u0646\u0647 \u0631\u0627 \u062f\u0631 \u0627\u0646\u0648\u0627\u0639 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0646\u0639\u0637\u0627\u0641\u067e\u0630\u06cc\u0631\u06cc\u060c MCB JCB3-80H \u0631\u0627 \u0628\u0647 \u0627\u0646\u062a\u062e\u0627\u0628 \u0686\u0646\u062f\u06a9\u0627\u0631\u0647 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 \u0637\u06cc\u0641 \u06af\u0633\u062a\u0631\u062f\u0647\u0627\u06cc \u0627\u0632 \u0646\u0635\u0628\u200c\u0647\u0627\u06cc \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

\u067e\u0630\u06cc\u0631\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc \u0628\u06cc\u0646\u200c\u0627\u0644\u0645\u0644\u0644\u06cc\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u06a9\u0644\u06cc\u062f\u06cc \u0647\u0631 \u062c\u0632\u0621 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0627\u0633\u062a \u0648 MCB JCB3-80H \u062f\u0631 \u0627\u06cc\u0646 \u0632\u0645\u06cc\u0646\u0647 \u0628\u0631\u062a\u0631\u06cc \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u062d\u0635\u0648\u0644 \u0628\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u06cc IEC 60898-1 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f \u0648 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0627\u0644\u0632\u0627\u0645\u0627\u062a \u0627\u06cc\u0645\u0646\u06cc \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0642\u0627\u0633\u06cc \u062f\u0642\u06cc\u0642 \u0631\u0639\u0627\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u06af\u0648\u0627\u0647\u06cc\u060c \u0627\u0639\u062a\u0628\u0627\u0631 \u0648 \u06a9\u06cc\u0641\u06cc\u062a MCB JCB3-80H \u0631\u0627 \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0622\u0646 \u062f\u0631 \u0645\u062d\u0627\u0641\u0638\u062a \u0645\u0648\u062b\u0631 \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0628\u0631\u0642 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

MCB JCB3-80H<\/a> miniature circuit breaker is a robust and reliable solution for ensuring electrical safety in a wide range of applications. Its comprehensive features, including short-circuit and overload protection, high \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0634\u06a9\u0633\u062a<\/strong>, contact indicators, and compliance with international standards, make it ideal for domestic, commercial, and industrial installations. With its versatility, reliability, and unwavering adherence to stringent standards, the MCB JCB3-80H fully embodies our commitment to electrical safety and performance.<\/p>\n

\n

\u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644<\/h2>\n

Does JCB3-80H include earth-leakage detection?<\/h3>\n

Its listed MCB functions are overload and short circuit. Provide the required residual-current arrangement separately.<\/p>\n

Is the listed 10 kA value enough for every board?<\/h3>\n

No. Confirm its voltage and applicable product declaration, then compare with the installation fault level and any approved backup arrangement.<\/p>\n

Can I change the curve to prevent a motor-start trip?<\/h3>\n

Only after reviewing starting current, conductors and fault-disconnection requirements. A higher pickup threshold can change protection performance.<\/p>\n

What should be checked before replacing another MCB?<\/h3>\n

Verify ratings, curve, poles, terminals, busbars and assembly acceptance. Matching rail mounting and amperes is insufficient.<\/p>\n<\/section>\n

\u0645\u0646\u0627\u0628\u0639<\/h2>\n