{"id":828,"date":"2026-06-09T23:11:22","date_gmt":"2026-06-09T15:11:22","guid":{"rendered":"https:\/\/jutrion.com\/?page_id=828"},"modified":"2026-07-15T16:45:25","modified_gmt":"2026-07-15T08:45:25","slug":"%e1%9e%80%e1%9e%bb%e1%9e%84%e1%9e%91%e1%9f%90%e1%9e%9a%e1%9e%85%e1%9e%9a%e1%9e%93%e1%9f%92%e1%9e%8f%e1%9e%86%e1%9f%92%e1%9e%9b%e1%9e%b6%e1%9e%9f%e1%9f%8b","status":"publish","type":"page","link":"https:\/\/jutrion.com\/km\/ac-contactor\/","title":{"rendered":"\u1780\u17bb\u1784\u178f\u17b6\u1780\u17cb\u1791\u17d0\u179a AC"},"content":{"rendered":"
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Industrial AC Contactors: 3-Pole & 4-Pole Motor Contactors<\/h1>\n\n\n\n

JUTRION offers a comprehensive range of high-performance AC contactors engineered for heavy-duty switching, motor control, and industrial automation. Compliant with international IEC 60947-4-1 standards, our contactors provide reliable operation under demanding electrical loads (AC-1, AC-3, and AC-4 applications). Highly compatible with diverse coil voltages and auxiliary configurations to fit your panel designs.<\/p>\n\n\n\n

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CONTACT JUTRION FOR YOUR PRODUCT SAMPLES<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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PREMIUM AC CONTACTOR SUPPLIER \u2013 JUTRION<\/h2>\n<\/div><\/div>\n\n\n\n

JRC1 SERIES AC CONTACTOR<\/strong><\/h2>\n\n\n\n

JUTRION provides a comprehensive range of premium industrial AC contactors, engineered to deliver reliable switching and robust electrical protection. Operating our dedicated manufacturing lines based in Wenzhou, Zhejiang, we manufacture each unit in strict accordance with international standards, including IEC 60947-4-1 and CE guidelines. Designed for heavy-duty industrial switching, motor control, and HVAC systems, our contactors provide exceptional electrical endurance and seamless integration into modern automation panel designs.<\/p>\n\n\n\n

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JRC1-D09 3P (20A AC-1)<\/strong><\/h3>\n\n\n\n

Heaters & Lighting<\/p>\n\n\n\n

For devices with zero startup current spikes, such as industrial electric heaters, HVAC heating banks, and general lighting.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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JRC1-D25 3P (25A AC-2)<\/strong><\/h3>\n\n\n\n

Heavy Cranes & Hoists<\/p>\n\n\n\n

For high-torque heavy machinery that starts and stops under load, typically wound-rotor motors used in cranes and hoists.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

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JRC1-D09 3P (9A AC-3)<\/strong><\/h3>\n\n\n\n

Standard Motors<\/p>\n\n\n\n

The most common application for starting and running normal induction motors, such as water pumps, ventilation fans, and air compressors.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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JRC1-D18 3P (7.7A AC-4)<\/strong><\/h3>\n\n\n\n

Rapid Jogging & Reversing<\/p>\n\n\n\n

For extreme duty cycles involving continuous rapid on\/off switching (inching\/jogging) or sudden motor reversals, such as elevators and conveyor systems.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

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\u26a1 Diverse Utilization Categories<\/strong><\/p>\n\n\n\n

Full solutions across AC-1 (up to 20A for heating\/lighting), AC-3 (9A to 95A+ for standard motor control), and heavy-duty AC-2\/AC-4 applications.<\/p>\n<\/div>\n\n\n\n

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\u2699\ufe0f Broad Coil Voltage Options<\/strong><\/p>\n\n\n\n

Highly compatible with flexible AC coil voltages including 24V, 48V, 110V, 220V, and 380V\/415V (50\/60Hz) to match global grid requirements.<\/p>\n<\/div>\n\n\n\n

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\ud83c\udfed Direct Factory Supply<\/strong><\/p>\n\n\n\n

Backed by JUTRION\u2019s robust production lines and over 10 years of low-voltage electrical expertise, we guarantee competitive B2B pricing, consistent quality, and flexible OEM\/ODM capabilities.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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RELIABLE AC CONTACTOR SOLUTIONS FOR YOUR APPLICATION<\/strong><\/p>\n\n\n\n

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CONTACT JUTRION<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
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WHY CHOOSE JUTRION AC CONTACTORS?<\/strong><\/h2>\n\n\n\n
Advantage<\/strong><\/th>Description<\/strong><\/th><\/tr><\/thead>
Reliable Switching Performance<\/strong><\/td>JUTRION AC contactors are designed for frequent switching of motors and electrical loads, providing stable contact operation and dependable control performance.<\/td><\/tr>
Flexible OEM & ODM Services<\/strong><\/td>We support customized logos, labels, packaging, coil voltages, auxiliary contact configurations, and product specifications for different markets.<\/td><\/tr>
Competitive Factory Pricing<\/strong><\/td>Direct factory supply and optimized production help customers reduce purchasing costs while maintaining reliable product quality.<\/td><\/tr>
Multiple Coil Voltage Options<\/strong><\/td>A range of common control voltages is available to match different control circuits and application requirements.<\/td><\/tr>
Strict Quality Inspection<\/strong><\/td>Each contactor undergoes mechanical operation, coil performance, and electrical switching tests before shipment.<\/td><\/tr>
Stable Supply and Technical Support<\/strong><\/td>JUTRION provides stable production capacity and selection support for distributors, panel builders, and project customers.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/blockquote>\n\n\n\n

FREQUENTLY ASKED QUESTIONS ABOUT AC CONTACTORS<\/strong><\/h2>\n\n\n\n

1. What is an AC contactor?<\/strong><\/h3>\n\n\n\n

An AC contactor is an electrically controlled switching device used to remotely connect and disconnect motors, lighting systems, heating equipment, and other electrical loads. It is commonly installed in industrial control panels and automation systems.<\/p>\n\n\n\n

2. What is the difference between AC-1 and AC-3 contactor ratings?<\/strong><\/h3>\n\n\n\n

AC-1 is mainly used for resistive or slightly inductive loads, such as electric heaters and resistance furnaces. AC-3 is mainly used for starting and stopping squirrel-cage motors, including pumps, fans, compressors, and other standard motor loads.<\/p>\n\n\n\n

3. How do I choose the correct AC contactor?<\/strong><\/h3>\n\n\n\n

Select the contactor according to the load type, rated voltage, operating current, motor power, utilization category, coil voltage, and required auxiliary contacts. For standard motor applications, the AC-3 rated current and motor power should be used as the main selection reference.<\/p>\n\n\n\n

4. Does JUTRION provide customized AC contactors?<\/strong><\/h3>\n\n\n\n

Yes. JUTRION supports OEM and ODM services, including customized logos, labels, packaging, coil voltages, auxiliary contact configurations, and product specifications for distributors, panel builders, and project customers.<\/p>\n\n\n\n

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NEED THE RIGHT AC CONTACTOR FOR YOUR APPLICATION?<\/strong><\/p>\n<\/div>\n\n\n\n

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