Product Description

The RAC 4.1-300-460-A00-W1 main spindle drive controller from Bosch Rexroth has a wide speed range and high stiffness. This product is used to control frameless spindle as well as asynchronous main spindle motors from the same manufacturer digitally. The device is cooled by an inbuilt cooling unit and supports airflow either inside or outside the control cabinet for its cooling. The controller features a control panel with a keypad and a display at its bottom and a Q1 switch at the top. The unit does not feature protection against direct penetration such as by hand. The product must not make contact with the control cabinet in which it is installed and must have at least 80mm clearance at the top and the bottom.

All safety guidelines of the application must be met for the controller to be allowed to function. The drive controller has a series code of 4 and a design code of 1. The device features a current rating of 300A. It has a continuous feedback output of 60kW at the output shaft of the connected motor. The unit weighs 150kg while the assembly frame weighs 4kg. The rated data of the controller lessens to 80% when the ambient operating temperature is exceeded. The product makes use of M12 screws for its earthing bolt connection, motor power connection, and mains connection at the bottom.

The drive controller comes with a mechanical package that contains all components such as gaskets and screws required for mounting. The device features a +/-10V analog speed setpoint that helps in establishing a connection with standard NCs. It should be stored between -30°C and +85°C. The unit must be stored in a dry place that is free of impact and dust. The product should not be tipped, dropped, or subject to load when it is transported. The controller comes with a warranty for one year and can be dispatched worldwide.