Siemens 6RA8087-6DV62-0AA0-Z SINAMICS DCM four-quadrant DC converter

SINAMICS DCM four-quadrant DC converter with a documented function and system position; verify installation-specific compatibility.

Documented function and system role

Rebuilt from individual evidence

The cited source identifies 6RA8087-6DV62-0AA0-Z as a Siemens SINAMICS DCM four-quadrant DC converter. The cited source documents that this product converts three-phase ac power into regulated dc armature and field power for high-current four-quadrant dc motor operation.

At the system boundary, the product converts three-phase ac power into regulated dc armature and field power for high-current four-quadrant dc motor operation.

Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.

Exact reference: 6RA8087-6DV62-0AA0-Z
Category: Drives / VFD
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Converts three-phase AC power into regulated DC armature and field power for high-current four-quadrant DC motor operation.
System position: Sits between three-phase AC supply, field supply and drive control commands and the DC motor armature and field circuits.
Upstream / inputs: Receives three-phase AC supply, field supply and drive control commands as the documented upstream side of the product.
Downstream / outputs: Passes or exchanges data or controlled power toward the DC motor armature and field circuits.
Limitations: Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The cited source identifies 6RA8087-6DV62-0AA0-Z as a Siemens SINAMICS DCM four-quadrant DC converter.
Confidence: medium
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- www.graphicwebparts.com — retrieved 2026-09-12; medium confidence
The cited source documents that this product converts three-phase ac power into regulated dc armature and field power for high-current four-quadrant dc motor operation.
Confidence: medium
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- www.graphicwebparts.com — retrieved 2026-09-12; medium confidence

Inferences

At the system boundary, the product converts three-phase ac power into regulated dc armature and field power for high-current four-quadrant dc motor operation.
Confidence: medium
Rationale: The exact-reference identity and documented product function support this conservative system-level placement; the installed topology is not asserted.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- www.graphicwebparts.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.
Confidence: low
Missing evidence: An installed-system inspection, configuration record, and physical condition assessment were not available in the individual lookup.

System position diagram

6RA8087-6DV62-0AA0-Z links three-phase AC supply, field supply and drive control commands with the DC motor armature and field circuits. — The product links three-phase AC supply, field supply and drive control commands with the DC motor armature and field circuits.

View Mermaid source

flowchart LR
  upstream["three-phase AC supply, field supply and drive control commands"] --> item["6RA8087-6DV62-0AA0-Z"]
  item --> downstream["the DC motor armature and field circuits"]

View diagram labels

Nodes: three-phase AC supply, field supply and drive control commands; 6RA8087-6DV62-0AA0-Z product; the DC motor armature and field circuits
Edges: Documented upstream connection; Conservative system path

Next action

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