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KEB

KEB Automation is a leading German manufacturer of drive technology, control systems and industrial automation components. With a catalog of 1,543 products, KEB supplies frequency inverters, electromagnetic brakes, safety brakes, tooth clutches, servo systems and advanced control platforms for virtually all sectors of the manufacturing industry.

Frequency inverters from KEB represent the core segment of the product portfolio. The COMBIVERT series ranges from compact single-phase inverters for small motors to powerful vector-controlled three-phase drives for motors up to 400 kW. Modern KEB frequency inverters are equipped with integrated safety modules conforming to SIL 2/PLd, network interfaces for PROFINET, EtherCAT and CANopen, and energy regeneration (regenerative braking) for optimal energy efficiency in elevators, hoists and dynamic process installations.

KEB electromagnetic brakes are essential in applications requiring reliable standstill and emergency stop functionality. Spring-applied brakes operate on the fail-safe de-energized principle: upon power failure, the brake is automatically engaged. KEB offers brakes in torque ranges from 1 to over 1000 Nm for direct flange mounting on motor shaft or separate shaft mounting.

KEB tooth clutches and elastic couplings provide precise torque transmission between drive and load with optimal vibration-dampening characteristics. The elastomeric ring couplings of the COMBIBOX series absorb shock loads and compensate shaft misalignment, while tooth clutches transmit high torques with minimal backlash. KEB servo systems with SERVO-COMBIVERT inverters offer dynamic position and speed control for machining centers, robots and packaging machines.

At Verkopershulp.nl you will find the complete KEB range including technical datasheets, dimensional drawings and selection tools. Our experts support you in sizing frequency inverters, selecting brake-coupling units and integrating KEB systems into your automation technology.

History

KEB was founded in 1970 in Barntrup, Germany, as a manufacturer of electromagnetic clutches and brakes for industrial applications. The company quickly expanded into the production of frequency inverters and drive control systems, driven by growing demand for variable speed control in industry. In the 1980s, KEB developed its first microprocessor-controlled frequency inverters, a milestone in drive technology. During the 1990s and 2000s, KEB expanded the range with servo systems and integrated control platforms. The company has production facilities in Germany, China and the USA, exports to more than one hundred countries, and achieves annual revenues exceeding one hundred million euros with a team of more than one thousand employees.

Product Categories

  • Brake
  • Control Panel

Applications

  • Speed control of conveyor belts and goods elevators
  • Energy-efficient drive of pumps, fans and compressors
  • Crane and hoisting installations with safety brakes
  • Precision positioning in CNC machining centers
  • Packaging and palletizing installations
  • Drive technology in wind turbines and solar energy systems
  • Electric vehicle drives and test benches
  • Robot arms and automated production cells
  • Textile and printing machines with synchronous drive
  • Hoist installations in the construction sector
  • Car wash and cleaning systems
  • Medical equipment and diagnostic systems

Frequently Asked Questions

What is the power range of KEB frequency inverters?
KEB COMBIVERT frequency inverters are available in a power range from 0.25 kW to over 400 kW. Compact single-phase models are suitable for small machines and appliances, while the larger three-phase versions are applicable for heavy industrial applications such as cranes, extruders and compressors.
Which fieldbus systems do KEB frequency inverters support?
KEB frequency inverters support a wide range of industrial fieldbus protocols, including PROFIBUS, PROFINET, EtherCAT, CANopen, DeviceNet and Modbus RTU/TCP. Universal communication modules can be inserted in the expansion slots of the inverter, enabling flexible integration into existing automation architectures.
How does the energy regeneration function of KEB inverters work?
KEB frequency inverters with regenerative feedback feed braking energy back into the electricity grid when decelerating heavy loads. This is particularly advantageous in elevators, cranes and counterweight-driven installations where energy savings of up to 40% are possible. The built-in active front end (AFE) ensures sinusoidal mains feed conforming to EN 61000.
Which braking system is suitable for my KEB drive?
KEB offers two main types: spring-applied electromagnetic brakes (fail-safe on power failure, suitable for safety applications up to SIL 2) and electromagnetic clutch-brake combinations (for variable torque control). The choice depends on the required torque, switching frequency and safety category of the application.
Are KEB safety modules certified for SIL applications?
Yes, KEB offers integrated safety modules for the COMBIVERT series certified conforming to SIL 2 (IEC 62061) and PLd (EN ISO 13849). These modules support safety functions such as STO (Safe Torque Off), SS1 (Safe Stop 1), SLS (Safely Limited Speed) and SSR (Safe Speed Range) for machine safety applications.
How do I size a KEB frequency inverter for my application?
For correct sizing you need the motor data (power, current, speed), the nature of the load (constant, variable or shock load) and the required acceleration/deceleration behavior. Verkopershulp.nl assists you in calculating the correct inverter capacity and selecting braking resistors for your specific application.
What warranty is offered on KEB products?
KEB supplies its products with a standard factory warranty of 24 months from delivery date. Extended warranty options are available. Verkopershulp.nl additionally offers technical support for installation and commissioning to ensure your KEB system performs optimally throughout its full service life.
Does Verkopershulp.nl offer commissioning support for KEB systems?
Yes, Verkopershulp.nl has specialized technical support for KEB drive systems. We can advise on parameter settings, commissioning, fault analysis and integration into your control architecture. Contact our technical department for specific support inquiries.