09.56.080.4008 KEB
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The KEB 09.56.080.4008 is a braking resistor from the BR Braking Resistors series, featuring a rated power of 150 Watts and a resistance of 390 Ohms. This component is designed for a voltage class of 400 V, with an overall height of 87 mm and width of 75 mm. It has a duty cycle of 6 percent and uses a 5.8 x 12 mm mount slot.
Internal Product Review
The 09.56.080.4008 is a KEB braking resistor from the BR Braking Resistors series, well-suited for controlled deceleration in industrial drive systems. A 150 W rating paired with 390 Ω resistance supports consistent energy dissipation and stable braking performance. The 400 V voltage class and 6% duty cycle make the unit a strong fit for intermittent braking applications.
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Product Description:
The 09.56.080.4008 is a braking resistor manufactured by KEB for the BR Braking Resistors series. Installed on the DC link of a drive inverter, it converts excess electrical energy into heat during motor deceleration so bus voltage stays within safe limits. This function protects the power stage, supports rapid stops, and allows tighter motion profiles in automated machinery.
The resistor is designed for continuous dissipation of 150 W, which defines how much thermal energy the aluminum housing can release without exceeding its temperature limit. A duty cycle of 6 % means the unit is intended to be energized for only a small portion of each operating period, which suits short, intense braking events. Its resistance is 390 Ω, so it must be matched correctly to the drive voltage. The unit belongs to the 400 V voltage class. Oblong mounting slots measuring 5.8 × 12 mm allow slight adjustment for secure panel fastening.
Overall height is 87 mm, while body width reaches 75 mm, helping engineers confirm clearance inside crowded enclosures and preserve spacing from heat-sensitive components. Produced by KEB, the resistor follows the layout conventions of the BR Braking Resistors series, so cable entry, mounting geometry, and thermal behavior remain consistent across comparable ratings. No overcurrent relay is integrated, so protection must be supplied by the associated drive or an external fuse.
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