HLL05.1W-04M0-S0202-N-11-01U2-NNNN Bosch Rexroth Indramat
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MPN: R911377916
The Bosch Rexroth Indramat HLL05.1W-04M0-S0202-N-11-01U2-NNNN is part of the HLL Bus Chokes series and features a current-compensated choke function with air cooling. It has a nominal DC bus voltage of 1100 V, supports a nominal current of 202 Amps, and operates with a nominal inductance of 4 mH. This model has AC and DC switching voltages of 250 V and 24 V respectively, offers IP00 protection, and includes a temperature trip at 160 degrees Celsius.
Internal Product Review
The HLL05.1W-04M0-S0202-N-11-01U2-NNNN is a Bosch Rexroth Indramat HLL bus choke with current-compensated operation and air cooling. A 202 A nominal current with a 1100 VDC nominal bus rating supports dependable performance in demanding drive systems. The 160 °C temperature trip adds valuable thermal protection, making the choke a strong choice for DC bus applications.
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Product Description:
The HLL05.1W-04M0-S0202-N-11-01U2-NNNN bus choke is produced by Bosch Rexroth Indramat for the HLL Bus Chokes series. As a current-compensated line reactor, it is installed between the rectifier and the DC link of drive controllers to smooth current flow, reduce harmonic distortion, and protect semiconductors from surge energy. The component supports reliable operation of high-power servo drives and converters in factory automation systems.
Its control interface accepts an alternating-current command of up to AC 250 V and a direct-current signal of DC 24 V, providing flexibility for contactors powered by standard mains or low-voltage logic. The magnetic path is designed for a nominal load of 202 A, allowing the reactor to remain linear when large inverter stacks accelerate motors. With an inductance of 4 mH, the coil presents enough impedance to attenuate differential-mode ripple and limit inrush during capacitor charging. A switching capacity of 1 A is available on the auxiliary circuit, so status feedback can be wired without additional external relays. The air-cooled design removes heat through natural convection rather than forced ventilation or liquid cooling plates.
The DC link rating reaches DC 1100 V, matching modern multi-kilowatt servo drives that operate from rectified three-phase supplies. Internal thermal sensors open the circuit when the winding temperature reaches 160 °C, helping prevent insulation damage. Leakage capacitance is limited to 1.2 µF, which reduces common-mode currents that can disturb upstream ground-fault monitors. The assembly has an IP00 degree of protection, so it must be installed inside a closed panel that prevents accidental contact and exposure to contaminants. A normally closed monitoring path works with the current-compensated winding arrangement to provide fault signaling and electromagnetic balance.
