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AF contactors 40A to 100A
AF contactors 40A to 100A represent a core category of electromechanical switching devices designed for heavy-duty motor control and power management in industrial automation systems. These contactors feature a robust arc quenching system, typically rated for AC-3 and AC-4 utilization categories, with coil voltages ranging from 24V DC to 500V AC...
AF contactors 40A to 100A represent a core category of electromechanical switching devices designed for heavy-duty motor control and power management in industrial automation systems. These contactors feature a robust arc quenching system, typically rated for AC-3 and AC-4 utilization categories, with coil voltages ranging from 24V DC to 500V AC, ensuring compatibility with diverse control circuits. The 40A to 100A range covers a wide spectrum of applications, from small conveyor drives to large pump stations. Key technical parameters include a mechanical endurance of up to 10 million operations and an electrical endurance of 1 million operations at rated current. The contactors are available in 3-pole (3P) and 4-pole (4P) configurations, with optional built-in surge suppressors and electronic coil interfaces for reduced power consumption. They are designed for DIN rail or screw mounting, with IP20 protection for enclosed installations. These devices are often referred to as power contactors, motor contactors, or magnetic contactors in different global markets, and they are essential components in motor control centers (MCCs) and distribution panels.
These contactors are primarily deployed in industrial environments such as manufacturing plants, water treatment facilities, HVAC systems, and material handling operations. They are installed in motor control centers (MCCs), switchgear cabinets, and automation panels to control the starting, stopping, and reversing of three-phase induction motors. In the automation sector, they interface with programmable logic controllers (PLCs) and distributed control systems (DCS) for remote operation. Common applications include controlling compressors, fans, pumps, conveyors, and crushers. They are also used in lighting control systems and resistive load switching in commercial buildings. The contactors are suitable for both new installations and retrofitting existing systems, offering compatibility with standard busbar systems and auxiliary contact blocks.
The category includes subcategories such as standard AF contactors (e.g., AF40, AF50, AF65, AF80, AF100), which are identified by their rated operational current in amperes. The article codes typically follow a pattern like AF40-30-11, where '40' indicates the current rating, '30' denotes the number of main poles (3), and '11' specifies the configuration of auxiliary contacts (1 normally open and 1 normally closed). Other variants include AF40-30-00 (without auxiliary contacts) and AF40-40-11 (4-pole version). These contactors are often sold with matching thermal overload relays (e.g., TA25DU, TA42DU) for complete motor protection. The range also includes DC-operated versions (e.g., AF40Z) for battery-backed systems and electronic coil variants (e.g., AF40E) for low-power control circuits.
Partnering with Electric Automation Network ensures access to genuine AF contactors with full manufacturer warranties and competitive pricing, often with discounts up to 65% off list prices. Our engineering team provides personalized technical support for selection, sizing, and integration, including coil voltage matching and auxiliary contact configuration. We offer express worldwide shipping with real-time tracking, ensuring minimal downtime for your projects. Each product listing includes detailed technical documentation, datasheets, and CAD drawings for seamless procurement. Our multilingual portal simplifies global sourcing, with dedicated account managers for OEMs and system integrators.
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