16.BR.6E1-5423 KEB
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The KEB 16.BR.6E1-5423 is part of the BR Braking Resistors series and features a continuous output power of 100 W with a resistance of 42 Ohms. This braking resistor supports a drive converter voltage of 400/480 V and can sustain a peak braking power of 14 kW. It has a maximum housing temperature of 125 °C and a connection cross-section of 2.5 mm².
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Product Description:
The 16.BR.6E1-5423 braking resistor is produced by KEB within the BR Braking Resistors series. Designed for use with KEB inverters and other 400 V-class drives, the device converts regenerative motor energy into heat so that the DC link voltage stays below the protection threshold during rapid deceleration or overhauling loads. By absorbing this excess energy outside the converter, the resistor protects power semiconductors and limits downtime in automated conveyors, hoists, and packaging equipment.
It attaches through spring terminals sized for 2.5 mm² conductors, simplifying cabinet wiring. Its insulation matches the DC link derived from 400/480 V mains. The element presents 42 Ω of resistance, establishing a steady load so that current remains controlled under continuous braking. During continuous duty, the resistor dissipates 100 W without exceeding its thermal limits, while transient surges are governed by the permissible energy curve and a maximum DC link voltage of 840 VDC. The permissible energy curve indicates how long and how often the inverter’s chopper circuit can engage the resistor.
Short-term events are handled by a peak dissipation capability of 14 kW, providing capacity for emergency stops or vertical-axis braking. This peak capability is constrained by a cyclic duration factor of 2 %, meaning high-energy pulses may occupy only a small portion of each operating cycle to keep the film temperature below the housing ceiling of 125 °C. Ambient temperatures up to 45 °C are tolerated without derating, allowing installation in standard control enclosures beside the drive. Adequate enclosure ventilation and clearance around the resistor help prevent accumulated heat from affecting nearby drive components during repeated braking cycles.
