The KDA 2.1-150-3-LYS-U1, manufactured by Bosch Rexroth Indramat, is part of the high-performance KDA Spindle Drives series. This KDA Main Spindle Drive excels in stiffness and precision, delivering continuous torque across a wide speed range. Designed for robust industrial CNC and milling applications, it features advanced position control and dynamic response. With a compact footprint and modular design, it integrates seamlessly into existing motion-control architectures.
Engineered around a 300 V DC bus voltage bus and a 150 A Rated current power stage, the KDA 2.1-150-3-LYS-U1 uses a Forced (heatsink blower) Cooling method to maintain optimal junction temperatures. An onboard RS-232C serial Auxiliary interface and a dedicated SERCOS Speed command interface provide deterministic motion commands and real-time feedback. The drive accepts both Auxiliary and synchronous Encoder input type signals, enabling high-resolution position loops. A built-in Blower supply voltage of 115 VAC powers the cooling blower, while the robust Design 1 electronics and configurable Series 2 option package ensure consistent operation under heavy loads.
Integration into automated tool spindles and multi-axis machining centers is streamlined through standardized modules and intuitive parameterization tools. The KDA 2.1-150-3-LYS-U1 offers exceptional reliability, with brushless power stages and forced cooling preventing thermal derating even during extended duty cycles. Its interoperability with Rexroth controllers and third-party PLCs makes it an ideal choice for high-precision manufacturing operations seeking minimal downtime and maximum throughput.
Auxiliary interface
RS-232C serial
Blower supply voltage
115 VAC
Cooling method
Forced (heatsink blower)
DC bus voltage
300 V
Encoder input type
Auxiliary and synchronous
Product name
KDA
Rated current
150 A
Speed command interface
SERCOS
Series
2
Design
1