Bosch Rexroth HCT02.1E-W0025-A-03-B-L8-2S-NN-NN-NN-FW Compact Converter | Replacement, Equivalent & Selection Guide
The Bosch Rexroth HCT02.1E-W0025-A-03-B-L8-2S-NN-NN-NN-FW is an IndraDrive series compact converter designed for precise AC servo drive applications in industrial automation. This page provides full technical specifications, compatible replacement models, application guidance, and sourcing information to help engineers and procurement teams make confident selection decisions.
Technical Specifications
| Manufacturer | Bosch Rexroth |
| Part Number / SKU | HCT02.1E-W0025-A-03-B-L8-2S-NN-NN-NN-FW |
| Series | IndraDrive C (HCT) |
| Type | Compact Converter (Drive + Control integrated) |
| Continuous Current | 25 A |
| Power Rating | ~11 kW (nominal, application-dependent) |
| Supply Voltage | 3 × AC 200–480 V, 50/60 Hz |
| Control Interface | SERCOS II / Analog / Digital I/O |
| Firmware | FW (standard firmware) |
| Cooling | Internal fan (L8 = standard cooling) |
| Feedback | 2S = dual encoder interface |
| Protection Class | IP20 |
| Weight | 1.9 kg (approx.) |
| Condition | New / Refurbished available |
Compatible Replacement & Equivalent Models
The following models are functionally equivalent or direct replacements for the HCT02.1E-W0025-A-03-B-L8-2S-NN-NN-NN-FW. Always verify firmware version and bus interface compatibility before substitution.
| Model | Current | Interface | Notes |
|---|---|---|---|
| HCS02.1E-W0028-A-03-B-ET-EC-NN-NN-NN-FW | 28 A | EtherCAT | Upgraded bus; higher current |
| HCS02.1E-W0025-A-03-B-ET-EC-NN-NN-NN-FW | 25 A | EtherCAT | Direct equivalent, newer bus |
| HCT02.1E-W0018-A-03-B-L8-2S-NN-NN-NN-FW | 18 A | SERCOS II | Lower current variant |
| HCT02.1E-W0036-A-03-B-L8-2S-NN-NN-NN-FW | 36 A | SERCOS II | Higher current variant |
| Siemens SINAMICS S120 CU320-2 | — | PROFINET | Cross-brand alternative; requires re-engineering |
Note: Cross-brand replacements require full system re-commissioning. Consult Konmask technical support for compatibility verification.
Why Choose the Original Model
- Plug-and-play replacement — identical parameter sets, no re-commissioning required within the same IndraDrive C family
- Proven reliability — field-tested in high-cycle servo applications across automotive, packaging, and machine tool industries
- Integrated design — drive power and control electronics in a single compact housing reduces panel space by up to 30%
- Dual encoder support — 2S interface enables master/slave axis configurations and high-precision positioning
- Bosch Rexroth firmware ecosystem — seamless integration with IndraWorks engineering software
Typical Applications
- CNC machine tool spindle and feed axis control
- Packaging machinery (pick-and-place, form-fill-seal)
- Printing and converting equipment
- Robotics and multi-axis servo systems
- Semiconductor and electronics manufacturing
- Textile and winding machinery
System Compatibility
- Motors: Bosch Rexroth MSK, MKD, MHD, and 2AD series servo motors
- Controllers: Rexroth IndraMotion MLC/MTX, Siemens SINUMERIK (via SERCOS gateway)
- Bus Systems: SERCOS II (native); EtherCAT/PROFIBUS via optional communication modules
- Software: IndraWorks 12.x and above; IndraWorks DS for drive parameterization
- Supply: Compatible with HNF/HNL mains filter and choke modules
Selection Guide
Use the following criteria to confirm this model is correct for your application:
- Current rating: W0025 = 25 A continuous — verify your motor’s rated current does not exceed this
- Bus interface: L8 = SERCOS II fiber optic — confirm your controller supports SERCOS II
- Feedback: 2S = dual encoder — required for master encoder or gantry configurations
- Supply voltage: Confirm 3-phase 200–480 V AC availability at installation site
- Cooling: Standard internal fan; ensure minimum 50 mm clearance above and below unit
- Firmware: FW suffix = standard; contact us if application-specific firmware is required
If your requirements differ on any parameter above, refer to the Compatible Replacement table or contact our selection team.
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels
- Pre-shipment functional inspection and visual QC on every unit
- Original manufacturer packaging preserved where available
- Traceability documentation (batch/serial records) available on request
- 12-month warranty on new units; 90-day warranty on refurbished units
- Export compliance: ECCN classification and customs documentation provided
How to Order
- Confirm part number: HCT02.1E-W0025-A-03-B-L8-2S-NN-NN-NN-FW
- Specify quantity and required delivery timeline
- Request a quote via [email protected] or add to cart directly
- Provide application details if replacement/equivalent guidance is needed
- Receive order confirmation with lead time and shipping options (DHL / FedEx / sea freight)
Replacement & Compatibility FAQ
Q: Can I replace HCT02.1E-W0025 with an HCS02.1E-W0025?
A: Yes, the HCS02 series is the successor to HCT02 with an updated bus interface. Parameter migration is required; contact us for a migration checklist.
Q: Is this unit compatible with PROFIBUS?
A: Not natively. The L8 interface is SERCOS II. A PROFIBUS communication module (CSB01) can be added for PROFIBUS connectivity.
Q: What is the difference between W0025 and W0028 current ratings?
A: W0025 = 25 A continuous; W0028 = 28 A continuous. Choose W0028 if your motor’s rated current is between 25–28 A with peak demand headroom.
Q: Do you supply refurbished units?
A: Yes. Refurbished units are tested, cleaned, and carry a 90-day warranty. Please specify “refurbished” when requesting a quote.
Q: Can Konmask assist with cross-brand replacement to Siemens or ABB?
A: Yes, our engineering team can provide cross-brand selection support. Note that cross-brand replacements require full system re-commissioning and are project-specific.
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