HCS04.2E-W0350 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat HCS04.2E-W0350 is part of the HCS IndraDrive Controllers series and serves as a drive controller. This unit has a continuous output current of 204 to 246 Amps and provides a continuous output power of 149 to 179 kVA at 400 V. It supports air cooling with an integrated blower, offers a continuous braking power of 85 kW, and weighs 74 kilograms.
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Product Description:
The HCS04.2E-W0350 is a drive controller in the HCS IndraDrive Controllers series produced by Bosch Rexroth Indramat. Engineered to regulate three-phase induction and synchronous motors in automated production lines, it forms the power interface between the supply connection, drive electronics, and braking circuitry. The controller coordinates energy flow to attached motors and transfers regenerated power back to the DC bus, supporting dynamic positioning and process speed regulation in industrial automation.
With a 400 V supply connection, the unit supplies a continuous output current of 204/246 A, allowing it to feed high-torque axes without thermal derating. The corresponding continuous apparent power reaches 149/179 kVA, which is the electrical power the inverter section can exchange with the motor under steady load. For energy returned through regenerative braking, it can absorb 85 kW continuously and direct this heat into the integrated resistor bank. Internal air cooling is provided by a blower that moves 600 m³/h through the IP23 airflow path, while a sealed IP54 path lowers airflow to 145 m³/h to protect the electronics from dust. Acoustic emissions generated by the fan and power electronics stay at 69 dB(A), which helps limit cabinet noise.
In dynamic cycles, the controller tolerates a 60-second overload up to 323/311 A, giving additional current headroom for acceleration peaks. Short 10-second braking events can be handled at 165 kW, enabling rapid deceleration of large inertial loads. When operating at full rated input, the power stage dissipates 2520/3330 W as heat, so a minimum inlet and outlet opening of 7 dm² is required for IP23 installations to maintain airflow. Despite the high power density, the housing weighs only 74 kg, which helps with installation in multi-axis drive cabinets.
Frequently Asked Questions about HCS04.2E-W0350:
Q: What is the continuous output power rating of the HCS04.2E-W0350 controller?
A: The HCS04.2E-W0350 drive controller delivers a continuous output power of up to 179 kVA at 400 V (p1/p2).
Q: What is the peak braking power of the HCS04.2E-W0350 drive controller?
A: This model provides a peak braking power of 165 kW for up to 10 seconds.
Q: What type of cooling does the HCS04.2E-W0350 controller use?
A: The cooling method used is internal air cooling through an integrated blower.
Q: What is the maximum current the HCS04.2E-W0350 can handle for 60 seconds?
A: At 400 V, the HCS04.2E-W0350 has a maximum current rating of 323/311 A for 60 seconds (p1/p2).
Q: What is the minimum air inlet and outlet area required for the HCS04.2E-W0350?
A: The minimum air inlet/outlet required under IP23 protection is 7 dm² for this controller.
