Product Description

The RAC 4.3-300-460-A-01-W1 is a testament to Rexroth Indramat's commitment to precision and reliability in the industrial automation. A part of the formidable RAC series, this main spindle drive controller is engineered for high stiffness and a wide speed range, maintaining constant power ideal for numerically controlled machine tools. Operating on a rated supply voltage of 380 to 460 volts and equipped with a robust control voltage of 230 V, the RAC 4.3-300-460-A-01-W1 ensures flexible integration into various industrial scenarios. With a continuous controller output of up to 35 kW and peak outputs reaching 55 kW, this controller can effortlessly manage demanding tasks. The design facilitates both air-cooled and hose-cooling methods, granting adaptability for various cabinet constructions. It boasts a controller weight of 49 kg and can be augmented with cooling accessories, ensuring operational efficiency and longevity. At its heart, the RAC 4.3-300-460-A-01-W1 is built to withstand diverse environmental conditions, functioning optimally within an ambient temperature range of +5 to +45 degrees Celsius and tolerating a maximum installation altitude of 1000 meters above sea level without a drop in performance. Compliance with protection category IP 10 ensures protection from large solid objects, while the permissible humidity adheres to class F as per DIN 40 040, highlighting the drive controller's robust design suitable for use in varied and moisture-rich industrial settings. Complementing its impressive technical prowess, the RAC 4.3-300-460-A-01-W1 also facilitates seamless C-axis operations, positioning control with high-resolution feedback, and incorporates an efficient cooling system that allows for a versatile cabinet installation. Whether the controller operates with internal or external air, or via a hose cooling method, the system remains uncompromised in efficiency. Designed with foresight, it includes an integrated emergency stop circuit and mains contactor control, further bolstering the safety and reliability of the drive. The power electronics and fan heatsink embedded into the housing ensures adequate cooling, vital for maintaining peak performance over prolonged operational periods.