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175G5058 Danfoss MCD3300 soft starter controller

175G5058 is listed as an MCD3300 soft starter controller for the motor-start boundary.

System role

Rebuilt from individual evidence

Unknown: verification boundary

A targeted Radwell listing identifies Danfoss 175G5058 as an alternate part for an MCD3300 soft starter controller. The listing describes the MCD3300 as a drive soft starter controller.

The controller acts at the motor-start boundary between the electrical supply and the motor.

Unknown: exact electrical rating, option code, compatibility, firmware and condition of an individual 175G5058 unit.

Exact reference
175G5058
Category
Drives / VFD
Evidence checked
2026-09-11

System role

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

Function
Controls motor starting as an MCD3300 soft starter controller.
System position
Sits at the motor-start boundary between the electrical supply and the motor.
Upstream / inputs
The electrical supply and a motor-start command feed the soft starter controller.
Downstream / outputs
Controlled starting power passes toward the connected motor.
Limitations
Unknown: exact electrical rating, option code, compatibility, firmware and condition of an individual 175G5058 unit.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • A targeted Radwell listing identifies Danfoss 175G5058 as an alternate part for an MCD3300 soft starter controller.

    Confidence: medium

  • The listing describes the MCD3300 controller as a drive soft starter controller.

    Confidence: medium

Inferences

  • The unit controls the motor-start boundary between an electrical supply and a motor.

    Confidence: medium

    Rationale: A soft starter controller is documented for motor starting; its placement at the supply-to-motor boundary is an engineering inference from that function.

Unknowns

  • Unknown: exact electrical rating, option code, compatibility, firmware and condition of an individual 175G5058 unit.

    Confidence: low

    Missing evidence: The captured listing does not establish the complete exact-code rating, compatibility or individual unit condition.

System position diagram

175G5058 controls motor starting between an electrical supply and a motor.

Reading limit: system position only, not a wiring or safety drawing.

The soft starter controller receives a start command and controls power at the supply-to-motor boundary.

Enlarged system diagram

175G5058 controls motor starting between an electrical supply and a motor.

The soft starter controller receives a start command and controls power at the supply-to-motor boundary.

View Mermaid source
flowchart LR
 supply["Electrical supply"] --> starter["175G5058"]
 command["Start command"] --> starter
 starter --> motor["Motor"]
View diagram labels
Nodes
Electrical supply; 175G5058; Motor
Edges
Supply input; Controlled start

Next action

The captured evidence supports publishing this exact reference as a Danfoss MCD3300 soft starter controller, with exact-rating checks required.

Confirm the nameplate, full option code, motor rating, supply rating and unit condition before connection.

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