HCS04.2E-W1240-N-04-DNNN Bosch Rexroth Indramat
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MPN: R911332791
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The Bosch Rexroth Indramat HCS04.2E-W1240-N-04-DNNN is an HCS IndraDrive Controller that supports a brake power of 400 kW continuous and a peak brake power of 600 kW for 10 seconds. Its output power reaches up to 652 kVA at 400 V, and the controller has a maximum current rating of 1124 A for 60 seconds. The unit uses an internal air cooling method with a required air volume of 1800 m3/h and emits a sound pressure level of 75 dB(A).
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Product Description:
The HCS04.2E-W1240-N-04-DNNN is an HCS drive controller manufactured by Bosch Rexroth Indramat for the HCS IndraDrive Controllers series. Acting as the power conversion and control node in large-scale servo systems, it links plant mains to multiple motors, handles regenerative energy, and supervises system safety. The unit is mounted within a control cabinet and is chosen where high transient currents, coordinated braking, and integrated line infeed are required in continuous-duty industrial automation, including presses, extruders, and material-handling lines. A dedicated communication interface is not specified for this model, so network connectivity must be provided through external modules.
Under a 400 V supply, the controller delivers an apparent power of 526 kVA in P1 and 652 kVA in P2, giving the unit two overload profiles. At 460 V, the continuous output line current is 759 A and can rise to 941 A before thermal limits are reached. One-minute bursts are handled by a peak phase current of 1124 A, while a parallel 60 s rating of 1073 A supports slightly lower demand. These current and power limits set the allowable motor group size and the dimensions of upstream bus bars. Total harmonic distortion is 6.46% with the twelve-pulse rectifier, reducing reactive losses on the input network.
Continuous braking energy is absorbed by an internal resistor bank that can dissipate 400 kW without interruption and withstand peaks of 600 kW for ten seconds during emergency decelerations. An integrated blower forces 1800 m³/h of air through the heat sinks, and this air-cooling method keeps semiconductor junctions within safe limits while producing a measured acoustic level of 75 dB(A) at one meter. For cabinet coordination, the module has a mains short-circuit withstand of 50 kA and supports both infeeding and power feedback operation, so excess power can be returned to the grid. Power dissipation of 8630 W in P1 or 11150 W in P2 must be removed by the enclosure ventilation to maintain the rated temperature rise.
Frequently Asked Questions about HCS04.2E-W1240-N-04-DNNN:
Q: What is the continuous brake power rating of the HCS04.2E-W1240-N-04-DNNN drive controller?
A: The HCS04.2E-W1240-N-04-DNNN is capable of providing a continuous brake power of 400 kW.
Q: How much cooling air volume is needed for the HCS04.2E-W1240-N-04-DNNN?
A: This controller requires a cooling air volume of 1800 m3/h provided via an internal blower.
Q: What is the output power at 400 V P1 for the HCS04.2E-W1240-N-04-DNNN?
A: At 400 V P1, the output power of the HCS04.2E-W1240-N-04-DNNN is rated at 526 kVA.
Q: What is the sound pressure level of the HCS04.2E-W1240-N-04-DNNN drive controller?
A: The sound pressure level generated by this unit is 75 dB(A) during operation.
Q: What is the mains short-circuit current rating for the HCS04.2E-W1240-N-04-DNNN controller?
A: The maximum mains short-circuit current accommodated by this model is 50 kA.
