AF50-40_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Specification Typical Value Manufacturer ABB Model / Part Number AF50‑40 (e.g., AF50‑40‑00‑70 or similar variants) Product Type Industrial Power Contactor (AC/DC operated) Contactor Poles 4 main poles (4 NO) Rated Operational Current (AC‑3) ~50 A at 400 V AC (typical) Rated Operational Power (AC‑3) ~22 kW at 400 V AC Rated Operational Current (AC‑1) ~100 A at 400 V AC Control Coil Voltage Wide range variants (e.g., 48‑130 V AC/DC or 100‑250 V AC/DC) Control Circuit Frequency 50/60 Hz (for AC coil versions) Rated Insulation Voltage (Ui) ~1000 V IEC Rated Impulse Withstand Voltage (Uimp) ~8 kV Maximum Breaking Capacity ~1300 A at 440 V AC (cos φ = 0.45) Short‑Time Withstand Current (Icw) ~650 A for 10 s (cold) Mechanical Durability ~10 million operations Electrical Switching Frequency ~300 cycles/hour Operating Temperature Range ~‑40 °C to +70 °C Mounting Style Panel or DIN‑rail (with adaptor) Terminal Type Screw connections Protection Class IP20 at terminals (panel dependent) Applicable Standards IEC 60947‑4‑1 for contactors

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The ABB AF50‑40 is a robust industrial power contactor designed for switching and controlling three‑phase electrical power circuits. It features a block‑type configuration with four main poles, allowing it to handle AC loads such as motors, heaters, and other resistive or slightly inductive applications. The contactor is equipped with an electronic coil interface that accepts a wide range of control voltages in both AC and DC, enabling flexible operation in different control systems. It offers reliable performance even under voltage fluctuations and dip conditions, with compact dimensions for panel mounting. The design supports auxiliary contact blocks and accessories for expanded control and signalling.

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