17.BR.110-6303 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 17.BR.110-6303 is a braking resistor from the BR Braking Resistors series with a continuous power rating of 1200 W and a peak load capacity of 19 kW. It features a resistance of 30 ohms and operates with a voltage class of 400 V. The resistor is rated IP20 and uses a temperature switch with a threshold of 160 degrees Celsius and NC contact type.
Internal Product Review
The 17.BR.110-6303 is a KEB braking resistor designed for efficient energy dissipation in 400 V drive applications. A 1200 W continuous rating and 19 kW peak load give this unit strong thermal capacity during demanding deceleration events. IP20 protection and 30 Ω resistance make this resistor a dependable choice for enclosed industrial installations.
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Product Description:
The 17.BR.110-6303 braking resistor produced by KEB for the BR Braking Resistors series absorbs excess regenerative energy from variable-frequency drives and brings a motor to a controlled stop. By converting surplus electrical power into heat through its fixed resistance network, the unit protects the drive’s DC link and maintains safe deceleration profiles in automation lines such as conveyors or hoists.
At the electrical core, the resistor presents 30 Ω of resistance, establishing the current that flows when it is connected to the drive’s DC bus. Under continuous duty it can dissipate 1200 W, so heat sinks and airflow must be sized to evacuate that load during every production cycle. Short bursts are handled at a peak of 19 kW, enabling rapid braking after emergency stops without saturating the element. The thermal safeguard is a normally closed temperature switch that opens at 160 °C; once the element cools, it automatically resets to restore continuity. Environmental ingress protection is rated at IP20, meaning fingers are shielded from live parts but the unit must be mounted inside a cabinet.
System timing is defined by an on-time of 6 s within a reference cycle of 120 s, giving the resistor a 5 % duty ratio that prevents thermal saturation during repetitive deceleration events. Switching can be accomplished by drive-integrated relays up to 250 VAC / 0.5 A on the AC side or 30 VDC / 0.5 A on the DC side, so contact wear stays low when releasing the element after each brake pulse. The unit is assigned to the 400 V voltage class, allowing direct connection to common drive DC links derived from 400 V mains. It is supplied as 1 module, and both the core cross-section and terminal blocks accept 12 AWG (4 mm²) conductors for consistent wiring practices across line and thermistor circuits.
