Siemens 6RY1803-0DB02 C98043-A7107-L4 Power Supply Module – SIMOREG DC MASTER Series
When a DC drive system loses its internal power supply, the consequences ripple instantly across the production floor: spindles stop, conveyor lines freeze, and unplanned downtime begins accumulating costs by the minute. The control board goes dark, operator panels lose power, and the entire drive stack becomes inoperable — not because the motor failed, but because one critical board stopped delivering regulated voltage to the system. The Siemens 6RY1803-0DB02 (C98043-A7107-L4) Power Supply Module is the component that prevents this scenario, serving as the regulated power backbone of the SIMOREG DC MASTER drive cabinet.
Within the SIMOREG DC MASTER family — Siemens’ flagship fully digital DC drive platform trusted in heavy industry worldwide — the 6RY1803-0DB02 occupies a foundational role. It supplies the internal low-voltage DC rails that power the control electronics, gate firing circuits, and communication interfaces of the drive. As a board-level replacement part, it is engineered to exact OEM tolerances, ensuring seamless drop-in compatibility with existing SIMOREG DC MASTER installations across steel mills, paper machines, extruders, winding systems, and marine propulsion applications globally.
Technical Specifications
- Part Number: 6RY1803-0DB02
- Board Reference: C98043-A7107-L4
- Module Type: Power Supply Module (Internal DC Power Board)
- Compatible Platform: Siemens SIMOREG DC MASTER Series
- Manufacturer: Siemens AG
- Weight: Approx. 4,500 g (packaged)
- Condition: New / Refurbished / Tested (specify at inquiry)
Note: Detailed electrical parameters (input/output voltage, current ratings, connector pinout) are available upon request. We do not publish unverified specifications.
Key Features & Benefits
- OEM-Grade Reliability: Manufactured to Siemens’ original design specifications for the SIMOREG DC MASTER platform, ensuring stable regulated power output under industrial load conditions.
- Drop-In Replacement: Board-level form factor and connector layout match the original installation — no rewiring or mechanical modification required.
- Dual Reference Numbers: Cross-referenced as both 6RY1803-0DB02 and C98043-A7107-L4, making procurement and maintenance documentation straightforward.
- Supports Critical Drive Functions: Powers the control electronics, enabling encoder feedback processing, fieldbus communication, and gate pulse generation to remain operational.
- Reduces Downtime Risk: Stocking this module as a spare eliminates multi-week lead times during emergency breakdowns in critical production environments.
Industry & Equipment Applications
- Steel & Metal Processing: Rolling mills, coilers, and tension control systems using SIMOREG DC MASTER drives.
- Paper & Printing: Winder/unwinder drives, calender drives, and section drives in paper machines.
- Plastics & Rubber: Extruder main drives and haul-off systems requiring precise DC speed control.
- Mining & Hoisting: Hoist drives, conveyor drives, and crusher drives in underground and surface operations.
- Marine & Offshore: Thruster and winch drive systems utilizing SIMOREG DC MASTER technology.
- Textile Machinery: Draw-twisting, winding, and dyeing machine drives.
System Integration & Compatible Parts
The 6RY1803-0DB02 is designed for use within the Siemens SIMOREG DC MASTER drive family. When servicing or upgrading a SIMOREG DC MASTER cabinet, the following related components are commonly required alongside this power supply module:
- SIMOREG DC MASTER Control Board (CUD1 / CUD2)
- SIMOREG Firing Pulse Board
- SIMOREG Interface / Expansion Boards
- SIMOREG Operator Panel (AOP30 / BOP20)
- Siemens SIMOREG DC MASTER Thyristor Modules
Contact our technical team to verify compatibility with your specific drive rating and firmware version before ordering.
Our Quality Assurance Process
At Konmask.com, every industrial automation component goes through a structured verification process before shipment:
- Source Verification: Parts are sourced from authorized distributors, OEM surplus channels, or certified refurbishment facilities.
- Visual & Physical Inspection: Each board is inspected for component damage, corrosion, burn marks, and connector integrity.
- Functional Testing: Where applicable, boards are bench-tested under simulated load conditions prior to dispatch.
- Secure Packaging: Anti-static packaging with foam cushioning and moisture barrier bags for international freight.
- Documentation: Test reports and certificates of conformity available upon request for regulated industries.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your drive nameplate data (drive type, rated current, firmware version) for compatibility confirmation.
- Receive a formal quotation with lead time, condition, and shipping options within 24 business hours.
- Confirm the order and receive proforma invoice for payment processing.
- Shipment dispatched with tracking; typical international delivery 5–10 business days via DHL / FedEx / UPS.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, drive, and HMI components — not a general electronics marketplace.
- Global B2B Supply: Serving maintenance engineers, OEM integrators, and MRO procurement teams across 50+ countries.
- Technical Pre-Sales Support: Our engineers can assist with cross-referencing, compatibility checks, and installation guidance.
- Competitive Lead Times: Extensive supplier network enables faster sourcing than standard distribution channels for obsolete and hard-to-find parts.
- Transparent Communication: No hidden fees. Clear quotations, honest lead times, and responsive after-sales support.
Frequently Asked Questions
Q: Is the 6RY1803-0DB02 the same as C98043-A7107-L4?
A: Yes. These are two reference numbers for the same physical board — 6RY1803-0DB02 is the Siemens ordering number, while C98043-A7107-L4 is the board-level assembly reference printed on the PCB.
Q: Which SIMOREG DC MASTER drive ratings is this module compatible with?
A: This module is used across multiple SIMOREG DC MASTER ratings. Please provide your drive’s nameplate data so our team can confirm exact compatibility before shipment.
Q: Do you offer refurbished units?
A: Yes. We offer new, refurbished-tested, and exchange options depending on availability. All refurbished units are functionally tested and carry a warranty. Specify your preference in the inquiry.
Q: What is the typical lead time?
A: In-stock units ship within 2–3 business days. For sourced units, lead time is typically 7–15 business days. We confirm lead time in the formal quotation.
Q: Can you provide a test report or certificate of conformity?
A: Yes, documentation is available upon request for quality-audited orders.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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