09.09.870-744U by KEB

The KEB 09.09.870-744U from the BR Braking Resistors series by KEB is engineered to enhance braking performance in industrial VFD applications. Designed to support both 230V and 400V systems, it offers a continuous power rating of 26 kW and a peak power capability of 440 kW for up to 6 seconds. This high-power dissipation capacity makes it ideal for recovering and dissipating kinetic energy during rapid deceleration processes in heavy-duty automation systems.

Featuring robust technical specifications, the 09.09.870-744U boasts a resistance range of 10 to 390 ohms to accommodate varied load conditions. Its core cross-section is 14 AWG / 2.5 mm², ensuring reliable current handling and minimal electrical losses. The resistor is available in a compact housing measuring 240 mm x 26 mm x 225 mm and offers flexible mounting options, including universal side-mounted units or compact sub-mounted modules. With a cyclic duration factor design, the unit reliably withstands repeated energy pulses without performance degradation.

Built-in thermal protection switches guard against overheating by activating at preset thresholds, while its operating temperature range of -10 to +45C ensures stable function in diverse environments. The 09.09.870-744U is certified to CE and UL standards for global compliance and features IP20 protection against dust ingress. Fully compatible with KEB COMBIVERT frequency inverters, it integrates seamlessly into existing drive systems. By offering superior energy management, enhanced reliability, and international certifications, this braking resistor delivers efficiency and safety benefits essential for modern industrial automation.