HLR01.2N-0K06-N180R-E-007-NNNN Bosch Rexroth Indramat
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MPN: R911338513
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The Bosch Rexroth Indramat HLR01.2N-0K06-N180R-E-007-NNNN is a brake resistor from the HLR Brake Resistors series, with a nominal resistance of 180 ohms and continuous power of 0.06 kW. It has a peak power of 3.39 kW, provides IP54 protection, and weighs 0.52 kg. The resistor uses natural cooling and requires a minimum top and bottom clearance of 150 mm.
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Product Description:
The HLR01.2N-0K06-N180R-E-007-NNNN brake resistor is manufactured by Bosch Rexroth Indramat as part of the HLR Brake Resistors series. This component is installed on the DC link of a drive controller so that surplus electromagnetic energy generated during motor deceleration is dissipated as heat rather than returned to the supply. By providing a fixed load resistance, it helps protect the inverter from overvoltage events and supports safe, repeatable stopping cycles in production machinery.
Its continuous dissipation capability is rated at 0.06 kW, which the assembly can handle indefinitely when mounted with natural convection as the only cooling method. For brief braking peaks, the resistor absorbs up to 3.39 kW, but that overload is limited by a maximum on-time of 0.71 s to keep the element within its thermal envelope. The network impedance is fixed at 180 ohms, ensuring predictable current flow from the DC bus. A drive-side monitoring relay is expected to trip at 0.6 A, and this current corresponds to the temperature threshold at which excess heating must be interrupted. The installation requires 150 mm of clearance above and below the housing and 50 mm of lateral spacing to maintain airflow around the naturally cooled aluminum case.
The resistor weighs only 0.52 kg, so it can be mounted directly on panel rail without adding significant load to the enclosure structure. Its enclosure carries a protection rating of IP54, allowing operation in areas exposed to nonconductive dust or light water spray, provided the specified clearances are maintained. During a complete braking sequence, the unit can absorb up to 2.40 kWs of regenerative energy, after which a minimum cycle time of 40.10 s is required for thermal recovery before the next peak event. Field wiring is completed with conductors no larger than AWG 16, which aligns the resistor terminals with standard drive control cable sizes.
