3VL9800-3MQ00 Siemens VL load disconnector

Clean-room evidence identifies 3VL9800-3MQ00 as Siemens VL load disconnector. The exact reference is listed as a Siemens 3VL molded-case load disconnector with TM210 line protection.

Documented identity and function

Rebuilt from individual evidence

System position

The exact reference is listed as a Siemens 3VL molded-case load disconnector with TM210 line protection.

The exact reference is listed in a Siemens 3VL low-voltage switching and protection product context.

The system path is inferred as the upstream low-voltage source, then 3VL9800-3MQ00, then the isolated outgoing feeder.

Unknown: installation compatibility, configuration, and unit condition are not established by the captured sources.

Exact reference: 3VL9800-3MQ00
Category: PLC / CPU
Evidence checked: 2026-09-11

System role

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

Function: The VL load disconnector isolates and switches a low-voltage feeder between an upstream source and a protected circuit.
System position: It intervenes between the upstream low-voltage source and the isolated outgoing feeder in the documented system path.
Upstream / inputs: Inputs or upstream: the upstream low-voltage source.
Downstream / outputs: Outputs or downstream: the isolated outgoing feeder.
Limitations: Unknown: installation compatibility, configuration, and unit condition are not established by the captured sources.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The exact reference is listed as a Siemens 3VL molded-case load disconnector with TM210 line protection.
Confidence: medium
- siemenspro.ru — retrieved 2026-09-11; medium confidence
The exact reference is listed in a Siemens 3VL low-voltage switching and protection product context.
Confidence: medium
- siemenspro.ru — retrieved 2026-09-11; medium confidence

Inferences

Inferred system position: 3VL9800-3MQ00 intervenes between the upstream low-voltage source and the isolated outgoing feeder.
Confidence: medium
Rationale: The exact-reference sources identify the component function and its connected interfaces; the intervening system position is an inference from those facts.
- siemenspro.ru — retrieved 2026-09-11; medium confidence

Unknowns

Unknown: installation compatibility, configuration, and unit condition are not established by the captured sources.
Confidence: low
Missing evidence: No captured source provides the receiving system configuration, firmware, wiring, or unit condition.

System position diagram

Diagram showing 3VL9800-3MQ00 between the upstream low-voltage source and the isolated outgoing feeder. — System path inferred from the documented function of 3VL9800-3MQ00.

View Mermaid source

flowchart LR
  U["Upstream"] --> P["3VL9800-3MQ00"]
  P --> D["Downstream"]

View diagram labels

Nodes: Upstream: the upstream low-voltage source; Device: 3VL9800-3MQ00; Downstream: the isolated outgoing feeder
Edges: The upstream path feeds 3VL9800-3MQ00.; 3VL9800-3MQ00 feeds the downstream path.

Next action

Publishable as a clean-room evidence record for 3VL9800-3MQ00; verify the installation against current documentation.

Confirm voltage, wiring, accessories, and service condition against the installation before substitution.

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