Description
The Bosch Rexroth HCS04.2E-W0350-N-04-NNBN is a high-power modular drive controller belonging to the Rexroth IndraDrive HCS04 family. Designed for demanding multi-axis industrial automation tasks, heavy machine tools, and high-inertia material handling systems, this unit integrates converter and inverter topologies to regulate heavy three-phase induction and synchronous motors.
Technical Specifications
| Parameter | Value |
| Manufacturer | Bosch Rexroth / Indramat |
| Part / Model Number | HCS04.2E-W0350-N-04-NNBN |
| Catalog / ID Code | R911325453 |
| Series | IndraDrive HCS04 (Compact Converter / Drive Controller) |
| Continuous Output Current (400 V) | 204 A to 246 A (depending on operating mode p1/p2) |
| Continuous Output Power (400 V) | 149 kVA to 179 kVA |
| Max Current (60-second overload) | 323 A / 311 A |
| Typical Motor Power | 110 kW to 132 kW |
| Continuous Braking Power | 85 kW |
| Peak Braking Power (10 s) | 165 kW |
| Cooling Method | Internal air cooling via integrated blower |
| Power Dissipation | 2,520 W to 3,330 W (at 100% load) |
| Weight | 74 kg |
| Compliance Standards | CE, cULus, NFPA, IEC (verify with OEM datasheet) |
Supply & Commercial Terms
- Condition: Factory Sealed / New Surplus (verify specific inventory batch upon inquiry)
- Availability: Stock dependent; typical lead time ranges from 1 to 3 weeks if not held in regional inventory.
- Warranty: 12-month standard replacement warranty from the date of dispatch.
- Pricing Note: Listed price is indicative and subject to current market conditions; contact us for a firm quote.
Field Deployment & Integration Context
When commissioning high-power HCS04 units like the HCS04.2E-W0350-N-04-NNBN in industrial enclosures, thermal management is a primary engineering constraint. The internal blower moves approximately 600 m^3/h of air under standard IP23 setups, requiring a minimum inlet and outlet cabinet cross-section of 7 dm^2 to prevent thermal tripping.
For applications involving DC bus coupling or multi-axis configurations, verify total leakage capacitances. If total leakage capacitance exceeds 100 nF, deploy an HLL-type current-compensated DC bus choke to maintain system stability. Ensure that fast-acting semiconductor protection fuses (rated for 400 A on the converter side) are implemented upstream to safeguard the power semiconductors against short-circuit events.
Frequently Asked Questions
What does the “-N-” designation indicate in the model string?
The digit configuration dictates specific hardware design parameters, cooling layouts, and firmware slot provisions designated by Rexroth configuration keys (verify with OEM datasheet).
Can this unit handle regenerative braking energy natively?
The unit processes standard deceleration energy through its internal braking layout, but high-inertia dynamic stops running past continuous limits require matching external brake resistor arrays.
How do I check error codes during a fault condition?
Diagnostic parameters can be read directly via the standard IndraDrive operating module (such as the VMx diagnostic display) or through commissioning software like Rexroth IndraWorks via sercos or supported fieldbuses.
