Siemens 6RY1803-1DA04 Power Interface Spare Part
An active SINAMICS DCM power-interface spare supplied with terminals for a documented Functional Safety context.
Product Identification
6RY1803-1DA04 is identified by Siemens as a power interface spare part including terminals. The official product record associates the order number with assembly C98043-A7106-L4 and a Functional Safety service context.
The full assembly label and trailing hardware revision should be checked before replacement. Power-interface work must follow the converter isolation, terminal-control and safety validation requirements for the host installation.
Engineering Data
| Manufacturer | Siemens |
|---|---|
| Model | 6RY1803-1DA04 |
| Product Family | SINAMICS DCM service components |
| Official Designation | Power interface including terminals |
| Associated Assembly | C98043-A7106-L4 |
| Functional Context | Functional Safety |
| Lifecycle Status | Active product |
| Country of Origin | Romania |
| Revision Control | Confirm full barcode and trailing hardware revision |
Functions
- Provides the documented power-interface and terminal assembly for SINAMICS DCM service.
- Preserves an active Siemens spare-part identity for procurement traceability.
- Supports Functional Safety-related converter configurations.
- Requires revision-aware matching and controlled terminal transfer.
Applications
- SINAMICS DCM converter maintenance
- Power-interface and terminal replacement
- Functional Safety service planning
Lifecycle
- Archive the complete order number, assembly barcode and host converter identity.
- Store in protective ESD packaging with terminal guards in place.
- Record the removed and installed hardware revisions in the machine file.
FAQ
Which assembly is associated with 6RY1803-1DA04?
The Siemens product record identifies C98043-A7106-L4 as the included power-interface assembly.
Is 6RY1803-1DA04 currently active?
Yes. Siemens lists this exact spare as an active product at the time of verification.
Why must the hardware barcode be supplied for 6RY1803-1DA04?
A trailing revision can affect documented converter functions and service compatibility.
Can 6RY1803-1DA04 be exchanged without a safety review?
No. Its documented Functional Safety context requires the applicable service and validation process.
What should be labeled before removing 6RY1803-1DA04?
Identify every terminal, connector, protective-earth point and safety-related circuit against approved drawings.
What acceptance evidence follows 6RY1803-1DA04 replacement?
Retain diagnostic results, terminal checks, hardware revisions and the completed safety-function validation required by the machine.

