KDA 2.1-150-3-DQS-W1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
- Straightforward Pricing: No Rush Fees, No Credit Card Fees
The Bosch Rexroth Indramat KDA 2.1-150-3-DQS-W1 is a spindle drive in the KDA Spindle Drives series, designed with a rated current of 150 Amps and a DC supply voltage of 300 VDC. This device uses a mounted heatsink blower for forced cooling and operates within an ambient temperature range of 5 to 45 degrees Celsius. It includes a serial interface (RS 232 C) and accepts speed command values as 16-bit digital parallel signals.
To contact sales for pricing and lead time:
Payment Methods
Shipping Methods
Our Credentials
Product Description:
The KDA 2.1-150-3-DQS-W1 is a drive module manufactured by Bosch Rexroth Indramat for the KDA Spindle Drives series. It converts a constant DC bus into a controlled three-phase output, letting CNC controllers run high-speed spindle motors with closed-loop accuracy. Within an automation cell, the unit supplies current, monitors operating limits, and responds to digital speed references as the electrical link between the motion controller and the cutting process. This arrangement allows the spindle axis to accelerate, regulate speed, and react to changing load conditions during machining.
Electrical power reaches the inverter through a shared DC link held at 300 VDC. At that level, the drive can source a continuous armature current of 150 A, allowing demanding ramp profiles without early saturation. A separate cooling circuit uses a fan connected to a 220 V/50-60 Hz mains tap to move air across the integral heat sink. Because this hardware combines forced cooling with a heat sink-mounted blower, internal junction temperatures stay within limits during prolonged spindle duty. The specified ambient operating range of 5 to 45 °C helps protect the power section and control electronics from temperature-related stress.
System integration benefits from the built-in serial interface (RS-232-C), which supports parameter access and oscilloscope traces without removing cabinet covers. Installation is limited to facilities situated below 1000 m above sea level so cooling airflow and dielectric spacing remain effective. The control board receives its speed reference through a 16-bit digital parallel input, enabling the CNC to command precise spindle speed values while avoiding analog drift. Separate channels for service access and command input help the module fit into machine layouts that require both tuning access and stable speed control.
Frequently Asked Questions about KDA 2.1-150-3-DQS-W1:
Q: What is the DC supply voltage requirement for the KDA 2.1-150-3-DQS-W1 spindle drive?
A: This drive operates with a DC supply voltage of 300 VDC.
Q: What is the rated current of the KDA 2.1-150-3-DQS-W1 spindle drive?
A: The rated current for this spindle drive is 150 A.
Q: How is the KDA 2.1-150-3-DQS-W1 spindle drive cooled?
A: Forced cooling is provided by a mounted heatsink blower operating at 220V/50-60Hz.
Q: What type of speed command interface does the KDA 2.1-150-3-DQS-W1 support?
A: The drive accepts digital speed command values using a 16-bit parallel interface.
Q: What is the maximum recommended installation elevation for the KDA 2.1-150-3-DQS-W1?
A: This model can be installed at elevations up to 1000 meters above sea level.
