Industrial Variable-Speed Drive Solution – Siemens C98043-A1681-L1 | 6SE7028-6EC85-1HA0 | SIMOVERT MASTERDRIVES Series
Where This Product Is Used
The Siemens C98043-A1681-L1 inverter board — matched to the 6SE7028-6EC85-1HA0 drive chassis — is a core component of the SIMOVERT MASTERDRIVES Vector Control platform, engineered for demanding industrial variable-speed drive applications. Typical deployment environments include:
- Pump & Fan Systems – Water treatment plants, HVAC central stations, and cooling tower fans requiring precise flow control and energy savings.
- Conveyor & Material Handling – Automotive assembly lines, logistics sortation systems, and mining belt conveyors where controlled acceleration/deceleration is critical.
- Compressor Drives – Oil & gas compression stations and industrial air compressors demanding high-torque, continuous-duty operation.
- Crane & Hoist Applications – Port cranes, overhead bridge cranes, and steel mill hoists requiring regenerative braking and precise positioning.
- Paper & Printing Machinery – Web tension control and winder/unwinder drives in paper mills and packaging lines.
- Steel & Rolling Mill Drives – High-power rolling mill main drives and auxiliary drives in metallurgical plants.
Technical Specifications
| Board Part Number | C98043-A1681-L1 |
| Drive Unit | 6SE7028-6EC85-1HA0 |
| Series | SIMOVERT MASTERDRIVES Vector Control (VC) |
| Brand | Siemens |
| Rated Output Power | ~90 kW (verify nameplate) |
| Supply Voltage | 3-phase AC, 380–480 V |
| Control Mode | Vector Control (VC) / V/f Control |
| Output Frequency | 0–300 Hz |
| Protection Class | IP20 (cabinet-mount) |
| Cooling Method | Forced air cooling |
| Communication | PROFIBUS DP, USS protocol (option-dependent) |
| Weight | 25 kg (approx.) |
| Condition | Used / Refurbished – Tested & Verified |
Why Engineers Specify This Model
- Proven MASTERDRIVES Platform – Decades of field-proven reliability in heavy industry; replacing the C98043-A1681-L1 board extends drive service life without full unit replacement.
- Drop-in Board Replacement – Direct replacement for 6SE7028-6EC85-1HA0 drives already installed in your panel, eliminating costly re-engineering.
- Vector Control Precision – Closed-loop torque and speed control meets the accuracy demands of cranes, hoists, and winders.
- PROFIBUS Integration – Native PROFIBUS DP support enables seamless integration into existing Siemens SIMATIC S7 PLC architectures.
- Cost-Effective MRO – A tested replacement board is significantly more economical than purchasing a new drive unit, reducing plant downtime costs.
Complete System Bill of Materials
For a fully operational MASTERDRIVES system using this board, engineers typically specify:
- Siemens 6SE7028-6EC85-1HA0 – Drive unit (main chassis)
- C98043-A1681-L1 – Control/inverter board (this item)
- Siemens 6SE7090-0XX84-0KA0 – PROFIBUS DP communication module (optional)
- Siemens 6SE7090-0XX84-2FK0 – Operator panel (AOP/BOP)
- Input line reactor / output dV/dt filter (application-dependent)
- Siemens SIMATIC S7-300/400 PLC for supervisory control
Compliance & Industry Standards
- CE Marked – EU Low Voltage Directive & EMC Directive compliant
- UL Listed (drive unit level)
- IEC 61800-3 – Adjustable speed electrical power drive systems
- IEC 61800-5-1 – Safety requirements for power drive systems
- RoHS compliant (Siemens factory standard)
Quality Assurance & Sourcing
All units sourced by Konmask.com undergo a structured inspection process:
- Visual inspection for physical damage, burnt components, and corrosion
- Power-on functional test under load simulation
- Parameter read-back verification against factory defaults
- Anti-static packaging with humidity indicator card
- Batch traceability records maintained for 3 years
We source from decommissioned OEM production lines, certified industrial surplus dealers, and controlled MRO channels — never from unverified grey-market sources.
How to Source This Part
- Online: Add to cart directly on Konmask.com
- Email RFQ: support@konmask.com – include quantity and delivery timeline
- Phone/WhatsApp: +0086 19859288691
- Lead Time: In-stock items ship within 1–3 business days; EXW Xiamen or DDP available
- Payment: T/T, PayPal, credit card accepted
Application-Specific FAQ
Q: Is C98043-A1681-L1 compatible with all 6SE7028-6EC85-1HA0 units?
A: Yes — C98043-A1681-L1 is the designated inverter board for the 6SE7028-6EC85-1HA0 chassis. Always verify the hardware revision suffix on your existing board before ordering.
Q: Can this board support crane/hoist applications with regenerative braking?
A: Yes. The MASTERDRIVES VC platform supports four-quadrant operation when paired with an appropriate braking chopper or active front end (AFE) unit.
Q: What warranty is provided on this refurbished board?
A: Konmask.com provides a 90-day functional warranty covering defects under normal operating conditions. Extended warranty options available upon request.
Q: Do you provide installation support or parameter backup files?
A: We can provide the standard Siemens parameter list for this drive series. For site commissioning support, contact our technical team.
Q: Can you supply multiple units for a plant-wide MRO stock program?
A: Yes. Volume pricing and blanket order agreements are available. Contact us with your annual demand forecast.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
