3VL5750-1DC36 Siemens VL630N molded-case circuit breaker

Clean-room evidence identifies 3VL5750-1DC36 as Siemens VL630N molded-case circuit breaker. The Siemens product data sheet identifies the exact reference as a three-pole VL630N circuit breaker rated 500 A with 55 kA Icu at 415 V AC.

Documented identity and function

Rebuilt from individual evidence

System position

The Siemens product data sheet identifies the exact reference as a three-pole VL630N circuit breaker rated 500 A with 55 kA Icu at 415 V AC.

The same data sheet lists TM LI overcurrent protection, adjustable overload response from 400 to 500 A, short-circuit response from 2500 to 5000 A, fixed mounting, and IP20 protection.

The system path is inferred as the upstream low-voltage source, then 3VL5750-1DC36, then the protected three-phase feeder.

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

Exact reference: 3VL5750-1DC36
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 VL630N molded-case circuit breaker protects and switches a three-phase feeder against documented overload and short-circuit conditions.
System position: It intervenes between the upstream low-voltage source and the protected three-phase feeder in the documented system path.
Upstream / inputs: Inputs or upstream: the upstream low-voltage source.
Downstream / outputs: Outputs or downstream: the protected three-phase 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 Siemens product data sheet identifies the exact reference as a three-pole VL630N circuit breaker rated 500 A with 55 kA Icu at 415 V AC.
Confidence: high
- cdn.plc-trade.com — retrieved 2026-09-11; high confidence
The same data sheet lists TM LI overcurrent protection, adjustable overload response from 400 to 500 A, short-circuit response from 2500 to 5000 A, fixed mounting, and IP20 protection.
Confidence: high
- cdn.plc-trade.com — retrieved 2026-09-11; high confidence

Inferences

Inferred system position: 3VL5750-1DC36 intervenes between the upstream low-voltage source and the protected three-phase 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.
- cdn.plc-trade.com — retrieved 2026-09-11; high 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 3VL5750-1DC36 between the upstream low-voltage source and the protected three-phase feeder. — System path inferred from the documented function of 3VL5750-1DC36.

View Mermaid source

flowchart LR
  U["Upstream"] --> P["3VL5750-1DC36"]
  P --> D["Downstream"]

View diagram labels

Nodes: Upstream: the upstream low-voltage source; Device: 3VL5750-1DC36; Downstream: the protected three-phase feeder
Edges: The upstream path feeds 3VL5750-1DC36.; 3VL5750-1DC36 feeds the downstream path.

Next action

Publishable as a clean-room evidence record for 3VL5750-1DC36; verify the installation against current documentation.

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

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