{"id":3765,"date":"2026-08-26T00:00:00","date_gmt":"2026-08-26T00:00:00","guid":{"rendered":"https:\/\/chac-electric.com\/?p=3765"},"modified":"2026-08-26T01:22:15","modified_gmt":"2026-08-26T01:22:15","slug":"choose-right-motor-contactor-industrial-needs","status":"publish","type":"post","link":"https:\/\/chac-electric.com\/ar\/blog\/choose-right-motor-contactor-industrial-needs\/","title":{"rendered":"\u0627\u062e\u062a\u0631 \u0645\u0648\u0644\u0627\u0645\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0644\u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629"},"content":{"rendered":"<p>When a plant engineer in Ohio selected a motor contactor by horsepower alone, a three-phase fan started with a loud hum and the terminals discolored after a month. The nameplate voltage, duty category, starts per hour, overload relay, and ambient derating had never been reconciled. The repair cost more than the original panel because the starter had been specified as a single part. The practical answer is to document <a href=\"https:\/\/chac-electric.com\/ar\/%d8%a7%d9%84%d8%a3%d8%ac%d9%87%d8%b2%d8%a9-%d8%a7%d9%84%d9%83%d9%87%d8%b1%d8%a8%d8%a7%d8%a6%d9%8a%d8%a9-%d9%84%d9%84%d8%aa%d8%ad%d9%83%d9%85-%d8%a7%d9%84%d8%b5%d9%86%d8%a7%d8%b9%d9%8a\/\"><strong>motor contactor<\/strong><\/a> \u0643\u062c\u0632\u0621 \u0645\u0646 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0643\u0627\u0645\u0644.<\/p>\n<p><strong>\u0645\u0644\u062e\u0635:<\/strong> Selecting a motor contactor requires motor current, voltage, phase, utilization category, coil control, starts per hour, overload coordination, short-circuit protection, and enclosure conditions. Buyers should size from the motor nameplate and duty, verify the starter combination, and test phase balance and terminal temperature during commissioning.A motor contactor switches a motor repeatedly and must withstand inrush, interruption, and the thermal effects of the duty cycle. The right selection is a coordinated starter, often including an overload relay, motor protection breaker, auxiliary contacts, and a control transformer or power supply. When the brief is clear, <a href=\"https:\/\/chac-electric.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac%d8%a7%d8%aa\/\"><strong>alternating current contactor<\/strong><\/a> \u064a\u0645\u0643\u0646 \u0645\u0642\u0627\u0631\u0646\u062a\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0623\u062f\u0644\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0648\u0639\u0648\u062f \u0627\u0644\u062a\u0633\u0648\u064a\u0642 \u0627\u0644\u0639\u0627\u0645\u0629.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3419 aligncenter\" src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-1024x683.webp\" alt=\"\u062a\u0648\u0635\u064a\u0644 \u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0648\u0635\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f (\u0627\u0644\u0643\u0648\u0646\u062a\u0643\u062a\u0648\u0631): \u0641\u062d\u0648\u0635\u0627\u062a \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0644\u0645\u0635\u0646\u0639\u064a \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639\" width=\"1024\" height=\"683\" srcset=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-1024x683.webp 1024w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-300x200.webp 300w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-768x512.webp 768w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-1536x1024.webp 1536w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-2048x1365.webp 2048w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-18x12.webp 18w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/d6bf77036749413c831045a9d34144f9-600x400.webp 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2>How Does a Motor Contactor Work?<\/h2>\n<p>The coil creates a magnetic force that closes the main contacts and auxiliary contacts. When the coil is released, springs open the circuit and the motor current stops. The contactor does not decide whether a motor is overloaded; that job belongs to the overload relay or motor-protection device. The feeder breaker clears high-energy short circuits.<\/p>\n<h2>How Do I Size a Contactor for a Motor?<\/h2>\n<p>Use the motor full-load current at the actual voltage, phase, frequency, and connection. Confirm AC-3 or the applicable utilization category, starts per hour, inching or plugging duty, and the ambient temperature inside the enclosure. Horsepower is a useful cross-check but not a substitute for current and category data.<\/p>\n<h2>What Changes for a 10 hp or 20 hp Motor?<\/h2>\n<p>Larger motors usually bring higher inrush, bigger conductors, greater thermal stress, and more demanding short-circuit coordination. Check the manufacturer table for contactor size, overload range, fuse or breaker recommendation, and control-transformer burden. If the motor uses a star-delta, reversing, or soft-start arrangement, select the full set of contactors and interlocks.<\/p>\n<h2>How Should a Three-Phase Starter Be Wired?<\/h2>\n<p>Incoming phases land on L1, L2, and L3; the motor leaves on T1, T2, and T3. The overload auxiliary contact is normally placed in the coil control circuit, with start, stop, seal-in, and emergency-stop contacts according to the control design. Verify phase sequence, torque, insulation, and the open-circuit response before applying load.<\/p>\n<h2>How Do Motor Contactors Affect Total Cost?<\/h2>\n<p>A reliable starter reduces nuisance trips, contact replacement, hot terminals, and unplanned downtime. Include spare coils, auxiliary blocks, overloads, labor, and the cost of a compatible replacement. For a critical pump or fan, a higher endurance contactor can be cheaper than one failed production shift.<\/p>\n<h2>How Should a Supplier Be Audited?<\/h2>\n<p>Ask for AC-3 ratings, endurance, coil tolerances, overload and motor-protection compatibility, certificates, wiring diagrams, and stable delivery. CHAC supplies motor contactors, AC contactors, thermal overload relays, and motor protection devices for industrial control panels. Match the exact model and accessory set to the approved schematic.<\/p>\n<h2>\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0643\u062a\u0627\u0628\u062a\u0647\u0627 \u0641\u064a \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0623\u0633\u0639\u0627\u0631\u061f<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0642\u0631\u0627\u0631<\/th>\n<th>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u062a\u062d\u062f\u064a\u062f\u0647<\/th>\n<th>\u0644\u0645\u0627\u0630\u0627 \u0647\u0630\u0627 \u0645\u0647\u0645<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Motor data<\/strong><\/td>\n<td>Voltage, FLA, phase, frequency, duty<\/td>\n<td>Sets current and category<\/td>\n<\/tr>\n<tr>\n<td><strong>Contactor<\/strong><\/td>\n<td>AC-3 current, cycles, coil<\/td>\n<td>Handles switching stress<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u062d\u0645\u064a\u0644 \u0632\u0627\u0626\u062f<\/strong><\/td>\n<td>Range, class, phase-loss response<\/td>\n<td>Limits thermal damage<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0646\u0633\u064a\u0642<\/strong><\/td>\n<td>Breaker\/fuse and SCCR<\/td>\n<td>Controls fault energy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0646\u0648\u0635\u064a \u0628\u0642\u064a\u0627\u0633 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0642\u064a\u0645\u0629 \u0627\u0644\u0643atalog. \u0642\u0645 \u0628\u062a\u0635\u0648\u064a\u0631 \u0627\u0644\u0623\u0637\u0631\u0627\u0641\u060c \u0648\u062a\u0633\u062c\u064a\u0644 \u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0642\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u064a\u0629\u060c \u0648\u0627\u062d\u062a\u0641\u0638 \u0628\u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u0645\u0639 \u062f\u0641\u0639\u0629 \u0627\u0644\u062a\u0633\u0644\u064a\u0645. \u0647\u0630\u0627 \u0627\u0644\u0633\u062c\u0644 \u064a\u062c\u0639\u0644 <strong>\u0645\u0643\u0648\u0646 \u062a\u0644\u0627\u0645\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/strong> \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0648\u0627\u0644\u062a\u062f\u0642\u064a\u0642 \u0639\u0646\u062f \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0623\u0648 \u062a\u0648\u0633\u0639\u0629.<\/p>\n<h2>\u0643\u064a\u0641 \u064a\u0646\u0628\u063a\u064a \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0627\u0644\u0645\u0648\u0631\u062f\u061f<\/h2>\n<ol>\n<li>\u062d\u062f\u062f \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0648\u0627\u0644\u062a\u0634\u063a\u064a\u0644 (\u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644)\u060c \u0648\u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0637\u0644\u060c \u0648\u062e\u0637\u0631 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0623\u0648 \u0627\u0644\u0622\u0644\u0629 \u0642\u0628\u0644 \u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631.<\/li>\n<li>\u0637\u0644\u0628 \u0648\u0631\u0642\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629\u060c \u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u0627\u0644\u0634\u0647\u0627\u062f\u0629\u060c \u0623\u062f\u0644\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a\u060c \u0648\u0633\u064a\u0627\u0633\u0629 \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644.<\/li>\n<li>\u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0639\u0644\u0649 \u0639\u064a\u0646\u0629 \u0623\u0648 \u0641\u062d\u0635 \u0627\u0644\u0642\u0637\u0639\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0648\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0648\u0644\u064a\u0633 \u0641\u0642\u0637 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641.<\/li>\n<li>\u0633\u062c\u0651\u0644 \u0627\u0644\u0631\u0642\u0645 \u0627\u0644\u062a\u0633\u0644\u0633\u0644\u064a\u060c \u0648\u0631\u0642\u0645 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 (\u0627\u0644\u062f\u0641\u0639\u0629)\u060c \u0648\u0627\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a\u060c \u0648\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646\u060c \u0648\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a \u0641\u064a \u0645\u0644\u0641 \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0623\u0648 \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li>\n<li>\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0644\u0644\u0648\u0635\u0648\u0644\u060c \u0648\u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0645\u0633\u062a\u063a\u0631\u0642 \u0644\u0644\u062a\u0646\u0641\u064a\u0630\u060c \u0648\u0642\u0637\u0639 \u0627\u0644\u063a\u064a\u0627\u0631\u060c \u0648\u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0644\u0644\u062e\u062f\u0645\u0627\u062a\u060c \u0648\u0625\u0634\u0639\u0627\u0631 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0642\u0628\u0644 \u0627\u0644\u0625\u0644\u063a\u0627\u0621.<\/li>\n<\/ol>\n<p>\u062a\u0634\u0627\u0643 \u0647\u064a \u0634\u0631\u0643\u0629 \u062a\u0635\u0646\u064a\u0639 \u0645\u0639\u062f\u0627\u062a \u0623\u0635\u0644\u064a\u0629 \u0648\u062a\u0635\u0645\u064a\u0645 \u0623\u0635\u0644\u064a \u0644\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0645\u0642\u0631\u0647\u0627 \u0627\u0644\u0635\u064a\u0646 \u0648\u0645\u0632\u0648\u062f \u0639\u0627\u0644\u0645\u064a \u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u062a\u0634\u0645\u0644 \u062e\u0637\u0648\u0637 \u0625\u0646\u062a\u0627\u062c\u0647\u0627 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0631\u0641\u064a\u0629\u060c \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631\u0629 (MCB)\u060c \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0628\u0642\u064a (RCCB\/RCBO)\u060c \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062c\u0647\u062f (SPD)\u060c \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639\u060c \u0627\u0644\u0645\u0644\u0627\u0645\u0633\u0627\u062a (\u0627\u0644\u0645\u0642\u0627\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629)\u060c \u0645\u0631\u062d\u0644\u0627\u062a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a. \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0645\u0631\u0627\u062c\u0639\u0629 <a href=\"https:\/\/chac-electric.com\/ar\/%d8%a7%d9%84%d8%a3%d8%ac%d9%87%d8%b2%d8%a9-%d8%a7%d9%84%d9%83%d9%87%d8%b1%d8%a8%d8%a7%d8%a6%d9%8a%d8%a9-%d9%84%d9%84%d8%aa%d8%ad%d9%83%d9%85-%d8%a7%d9%84%d8%b5%d9%86%d8%a7%d8%b9%d9%8a\/\">\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646\u062a\u062c\u0627\u062a CHAC \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629<\/a> \u0648 <a href=\"https:\/\/chac-electric.com\/ar\/%d9%85%d8%af%d9%88%d9%86%d8%a9\/%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%ad%d9%85%d8%a7%d9%8a%d8%a9-%d8%a7%d9%84%d8%ad%d8%b1%d8%a7%d8%b1%d9%8a%d8%a9-%d8%a7%d9%84%d9%83%d9%88%d9%86%d8%aa%d8%a7%d9%83%d8%aa%d9%88%d8%b1-%d9%88%d9%85\/\">\u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0630\u0648 \u0627\u0644\u0635\u0644\u0629<\/a> \u0642\u0628\u0644 \u0637\u0644\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<blockquote>\n<h5>\u062a\u0648\u0635\u064a\u0629 \u0628\u0627\u0644\u0645\u0646\u062a\u062c<\/h5>\n<p><a href=\"https:\/\/chac-electric.com\/ar\/product\/cqc6-series-industrial-ac-contactor-oem-manufacturer\/\">\u0645\u0635\u0646\u0639 OEM \u0644\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 AC \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 CQC6 | CHAC Electric<\/a><\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/chac-ac-contactor-product-200k.webp\" alt=\"\u0645\u0631\u062c\u0639 \u0645\u0646\u062a\u062c \u0645\u0644\u0627\u0645\u0633 \u0627\u0644\u0623\u0645\u0627\u0646 CHAC \u0639\u0644\u0649 \u062e\u0644\u0641\u064a\u0629 \u0646\u0638\u064a\u0641\u0629\" \/><\/figure>\n<\/blockquote>\n<h2>\u0623\u0633\u0626\u0644\u0629 \u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n<h3>How do I select the right contactor for my motor?<\/h3>\n<p>Start with motor FLA, voltage, phase, utilization category, starts per hour, coil voltage, and the required overload and short-circuit coordination.<\/p>\n<h3>What size contactor do I need for a 10 hp motor?<\/h3>\n<p>It depends on voltage, phase, duty, and current. Use the manufacturer AC-3 table and the motor nameplate rather than horsepower alone.<\/p>\n<h3>Can I use a 40 amp contactor instead of a 30 amp?<\/h3>\n<p>Only when the 40 A model is rated for the motor duty, inrush, terminals, enclosure, and coordination. A larger number does not fix wrong wiring or overload settings.<\/p>\n<h3>What size contactor do I need for a 20 hp motor?<\/h3>\n<p>Check the actual motor current and utilization category at the supply voltage, then choose the contactor, overload, and upstream protection as a tested combination.<\/p>\n<h3>How does a motor contactor work?<\/h3>\n<p>Its coil closes the main contacts to energize the motor and opens them when the control circuit removes coil power; overload and short-circuit protection are separate functions.<\/p>\n<h2>\u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0648\u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/h2>\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0635\u0627\u062f\u0631 \u0639\u0646\u062f \u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u060c \u0623\u0648 \u062e\u0637\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0623\u0648 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0634\u0631\u0627\u0621:<\/p>\n<ol>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/6027\" rel=\"nofollow noopener\" target=\"_blank\">\u0627\u0644\u0645\u0642\u0627\u0648\u0644\u0627\u062a \u0648\u0628\u0627\u062f\u0626\u0627\u062a \u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a IEC 60947-4-1<\/a><\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/6013\" rel=\"nofollow noopener\" target=\"_blank\">\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 IEC 60947-2<\/a><\/li>\n<li><a href=\"https:\/\/www.nema.org\/standards\/view\/motors-and-generators\" rel=\"nofollow noopener\" target=\"_blank\">NEMA MG 1 motors and generators<\/a><\/li>\n<\/ol>\n<p>\u0627\u0644\u0641\u0631\u0642 \u0644\u064a\u0633 \u0641\u0642\u0637 \u0641\u064a \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0639\u0644\u0649 \u0627\u0644\u0633\u0643\u0651\u0629 - \u0628\u0644 \u0641\u064a \u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a\u060c \u0648\u0627\u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0644\u064a \u0630\u0644\u0643. \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0639\u0627\u0645\u0644 \u0627\u0644\u0645\u0634\u062a\u0631\u064a \u0645\u0639 <strong>3 phase motor contactor<\/strong> \u0628\u0627\u0639\u062a\u0628\u0627\u0631\u0647 \u0645\u062a\u0637\u0644\u0628\u0627\u064b \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u0642\u064a\u0627\u0633\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0623\u0635\u0628\u062d \u0623\u0633\u0647\u0644 \u0641\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0648\u0627\u0644\u062a\u0648\u0633\u064a\u0639. \u0648\u064a\u0645\u0643\u0646 \u0644\u0640 CHAC \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u062a\u062d\u0648\u064a\u0644 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0648\u0627\u0644\u062a\u0633\u0644\u064a\u0645 \u0625\u0644\u0649 \u062d\u0644 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0647\u062f \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0643\u0631\u0627\u0631.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u064a\u062a\u0637\u0644\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u0635\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 (contactor) \u0645\u0639\u0631\u0641\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0639\u062f\u062f \u0627\u0644\u0623\u0637\u0648\u0627\u0631\u060c \u0641\u0626\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u060c \u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u0644\u0641\u060c \u0645\u0639\u062f\u0644 \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0641\u064a \u0627\u0644\u0633\u0627\u0639\u0629\u060c \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0648\u0642\u0635\u0631-<\/p>","protected":false},"author":1,"featured_media":3419,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"_links":{"self":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/comments?post=3765"}],"version-history":[{"count":6,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3765\/revisions"}],"predecessor-version":[{"id":3872,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3765\/revisions\/3872"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media\/3419"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=3765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=3765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=3765"}],"curies":[{"name":"\u0644\u0639\u0628 \u062c\u064a\u062f\u0629","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}