KDF 2.1-150-300-W1-220 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911233523
No Tariffs On US Orders- Straightforward Pricing: No Rush Fees, No Credit Card Fees
Current response time:
6 Minutes
13 Seconds
The Bosch Rexroth Indramat KDF 2.1-150-300-W1-220 is part of the KDF Variable Frequency Drives series and is designed for AC asynchronous spindle motors. It features a blower cooled design with an external blower supply, a rated current of 150 Amps, and a DC bus voltage of 300 VDC. The drive supports four-quadrant operation, has a max speed of 8000 RPM, and uses a digital velocity loop for speed control.
To contact sales for pricing and lead time:
Payment Methods
Shipping Methods
Our Credentials
Product Description:
The KDF 2.1-150-300-W1-220 is a variable frequency drive built by Bosch Rexroth Indramat for the KDF Variable Frequency Drives series. The unit controls an AC motor in machining centers and other automated equipment by converting incoming supply power into a regulated output that adjusts spindle speed and torque in real time. Within an automation cell, it acts as the power interface between a motion controller and the connected motor, allowing precise regulation of acceleration, deceleration, and directional changes during high-duty production cycles. Because it targets spindle applications, the drive is engineered for high rotational speeds and energy-efficient regenerative operation.
At the power stage, the inverter is linked to a DC link of 300 VDC, and its output channels can deliver a continuous phase current of 150 A. Command data can be supplied through a 16-Bit Parallel interface, giving the controller discrete resolution for velocity and torque references. Rotor speed feedback is accommodated up to 8000 RPM, a ceiling that matches high-speed cutting or grinding spindles. Energy can flow in either direction because the drive works in a four-quadrant mode, so braking energy is returned to the DC link instead of being dissipated as heat.
Fine speed regulation is handled by a differential analog input and by closed-loop control executed in a digital velocity loop, letting the host CNC or PLC switch between analog trimming and fully numeric profiles without reconfiguring hardware. The drive is optimized for an AC asynchronous spindle, so its flux-vector algorithms are tuned for the inductive characteristics of that motor class. Thermal management relies on blower cooling; the fan is powered from 220 VAC and receives air from an external duct, preventing enclosure heat buildup while keeping internal components within rated limits.
Frequently Asked Questions about KDF 2.1-150-300-W1-220:
Q: Which type of motor can the KDF 2.1-150-300-W1-220 variable frequency drive control?
A: The KDF 2.1-150-300-W1-220 is compatible with AC asynchronous spindle motors.
Q: What is the maximum speed supported by the KDF 2.1-150-300-W1-220 drive?
A: This drive supports a maximum speed of 8000 RPM for high-speed spindle operation.
Q: What type of analog command input is accepted by the KDF 2.1-150-300-W1-220?
A: The KDF 2.1-150-300-W1-220 uses differential analog command input for precise control signaling.
Q: What operation mode does the KDF 2.1-150-300-W1-220 variable frequency drive use?
A: This model operates in a four-quadrant mode, allowing for both motoring and braking in forward and reverse directions.
Q: How is the KDF 2.1-150-300-W1-220 cooled and what voltage does the fan use?
A: This drive uses an external blower for cooling, with the fan operating at a voltage of 220 VAC.
