With over forty years of expertise in power electronics development and manufacturing, KNESTEL delivers customized drive solutions for AC and DC applications. The company’s frequency converters support 12 V, 48 V, and 400 V motors, enabling precise control of asynchronous, permanent magnet, and sensorless machines. Modular systems scaling up to 100 kW integrate safety functions such as STO and Performance Level e. Comprehensive interfaces including CAN and EtherCAT ensure seamless communication and maximum operational reliability.
Table of Contents: What awaits you in this article
KNESTEL Showcases Forty-Year Expertise In Customized Drive Solutions Development
With more than four decades of expertise in power electronics, KNESTEL delivers custom drive modules spanning 1 kW to 100 kW. Collaborating closely with clients, they guide projects from initial concept design through prototype development, series manufacturing and final inspection. Their integrated approach ensures consistent quality control, streamlined production workflows and efficient iteration. Leveraging in-house R&D and manufacturing, KNESTEL fosters scalable solutions tailored to precise performance, efficiency and durability requirements.
KNESTELs 12-400V Frequency Converters Enhance Precise AC Motor Control
KNESTEL designs flexible frequency inverters for alternating current motors that operate across voltage ranges from 12 V through 48 V up to 400 V. Utilizing advanced control algorithms, these devices deliver precise regulation of asynchronous, permanent magnet, and sensorless machines, optimizing torque, speed and efficiency. Modular hardware ensures adaptation to diverse industrial applications while firmware-driven parameterization provides real-time adjustment. Customers benefit from seamless integration, reduced energy consumption and improved performance.
KNESTEL DC drives and bidirectional systems for load management
In the DC domain, KNESTEL supplies regulated DC drives alongside bidirectional energy systems that intelligently merge regeneration and load management functions. These configurations enable precise control over power recuperation while balancing dynamic energy demands for enhanced efficiency and stability. Engineered to meet rigorous industrial standards, they integrate seamlessly into machinery automation workflows and hybrid installations characterized by variable energy flows, delivering reliable performance, reduced energy consumption, and improved operational flexibility.
KNESTEL delivers in-house electronics, firmware, sensorless motor control, communications
KNESTEL engineers develop and produce power electronics hardware, firmware and control algorithms entirely in-house. This integrated workflow includes designing advanced sensorless motor control solutions, precise current regulation modules and torque management functions. Custom communication protocols such as CAN, EtherCAT and proprietary interfaces are engineered by dedicated teams to meet exact application requirements. All components undergo stringent validation processes to ensure reliability, seamless interoperability and peak performance in demanding industrial environments.
Robust Drives Guarantee High-Level Safety with STO and Redundancy
Designed for demanding industrial environments, these robust drive systems deliver certified safety performance by integrating Safe Torque Off (STO) to instantly eliminate torque in case of emergency. Dual-channel monitoring continuously checks current flow and feedback loops, initiating a fail-safe shutdown when any parameter exceeds predefined limits. Built to Performance Level e requirements, they feature redundant oversight and embedded safety logic. This safety framework protects personnel and machinery throughout operational scenarios.
Modular design adapts power, interfaces, housing to precise requirements
Thanks to its modular architecture, the power stage, communication interfaces, and enclosure shape can be tailored precisely to each customers unique requirements. By selecting the appropriate modules, engineers can optimize space utilization, simplify installation processes, and reduce time-to-market. Additionally, the design incorporates EMC-optimized PCB layouts, advanced energy-saving switching algorithms, and a high degree of component integration. This results in unparalleled operational reliability, consistent performance, minimal electromagnetic interference, and superior efficiency.
KNESTEL showcases DC grid technology developments during SPS 2025
As an active member of the Open Direct Current Alliance (ODCA), KNESTEL leverages its expertise to promote the advancement of DC power distribution networks in industrial applications. At SPS – Smart Production Solutions in Nuremberg from November 25 to 27, 2025, the firm will present at ODCA exhibition space its latest DC supply modules, intelligent energy management solutions and high-performance drive electronics engineered to deliver reliable operation under diverse conditions.
KNESTEL’s Modular Power Electronics Enhance Robust Performance And Future-Proofing
KNESTEL offers a complete range of power electronics solutions tailored for demanding industrial and enthusiast applications, integrating modular design principles, advanced safety functions and comprehensive DC network expertise. These systems deliver customized performance, exceptional durability and reliable operation under harsh conditions. Their scalable construction allows adaptation to specific voltage requirements and interface protocols, while integrated protections and efficient thermal management ensure consistency. This forward-looking approach guarantees long-term viability and cost-effective operation.

