Siemens C98043-A7002-L1 1Q drive power interface board

Evidence-backed reference for a Siemens 1Q drive power interface board.

Documented system function and position

Rebuilt from individual evidence

Mouser lists a Siemens POWER INTERFACE 1Q with the exact reference C98043-A7002-L1.

AutomationDCS identifies the exact reference as a Siemens interface board.

Its system position is inferred in a Siemens DC-drive path between control electronics and the 1Q power section.

Unknown: Exact drive family, board revision, wiring, installed compatibility, and current availability require separate verification.

Exact reference: C98043-A7002-L1
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: Routes control and power-interface signals for the Siemens 1Q drive section.
System position: Sits in the Siemens DC-drive interface path between control electronics and the 1Q power section.
Upstream / inputs: Receives interface signals from the connected Siemens drive electronics.
Downstream / outputs: Passes interface signals to the 1Q power section.
Limitations: Unknown: Exact drive family, board revision, wiring, installed compatibility, and current availability require separate verification.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Mouser lists a Siemens POWER INTERFACE 1Q with the exact reference C98043-A7002-L1.
Confidence: medium
- www.mouser.in — retrieved 2026-09-12; medium confidence
AutomationDCS identifies C98043-A7002-L1 as a Siemens interface board.
Confidence: medium
- www.automationdcs.com — retrieved 2026-09-12; medium confidence

Inferences

The interface board sits in a Siemens DC-drive path between control electronics and the 1Q power section.
Confidence: medium
Rationale: The system position is inferred from the exact product function and the documented system or interface context.
- www.mouser.in — retrieved 2026-09-12; medium confidence
- www.automationdcs.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: Exact drive family, board revision, wiring, installed compatibility, and current availability require separate verification.
Confidence: low
Missing evidence: Exact drive family, board revision, wiring, installed compatibility, and current availability require separate verification.

System position diagram

Diagram showing C98043-A7002-L1 between upstream system context and downstream equipment. — System position inferred from the exact 1Q interface and board descriptions.

View Mermaid source

flowchart LR
  U["Upstream system"] -->|"Drive interface signals"| P["C98043-A7002-L1"]
  P -->|"Documented downstream path"| D["Downstream equipment"]

View diagram labels

Nodes: Upstream system; C98043-A7002-L1; Downstream equipment
Edges: Drive interface signals

Next action

The available evidence supports a claim-linked identification of C98043-A7002-L1 as a Siemens 1Q drive power interface board.

Verify the installed drive family, board revision, connector layout, wiring, and unit condition before replacement.

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