"> Siemens Marine 3RV2 S0 6.3A 440V Marine
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Siemens Marine

3RV2 S0 6.3A 440V Marine

Siemens Marine 3RV2 S0 6.3A 440V Marine is listed as a marine motor-protection and control device in the Motor Control / Motor Protection Switch category. Equipment of this class is typically installed inside a motor-control center, switchboard, starter panel, or local machinery control box. Its shipboard purpose is to switch and protect an electric motor against abnormal current, overload, or other configured electrical faults. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the supplied configuration. No additional verified rating, capacity, weight, dimension, or other model-specific figure is supplied in the structured source data. Any differences from adjacent models in the same family, including rating, size, material, control, certification, or accessory differences not explicitly listed here, should be confirmed in the manufacturer documentation.

Components & Design

Component data being added…

Technical Data

motor power kw 6.3
breaking capacity ka 50
protection class IP55

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Common failures & inspection points

Contact wear or pitting from repeated switching causes heating, voltage drop, or failure to start
Overload or protection-element drift or damage causes nuisance trips or inadequate motor protection
Loose terminals create high-resistance heating, discoloration, or intermittent motor operation
Coil, auxiliary-contact, or control-voltage faults prevent pickup, produce chattering, or defeat remote commands
Incorrect settings after maintenance cause premature tripping or protection inconsistent with the connected motor

Service & Maintenance

Inspect contact and terminal condition, overheating, control wiring, protective settings, trip history, auxiliary contacts, interlocks, and local/remote commands. Isolation and testing must follow vessel electrical procedures; exact protection settings must match approved motor and manufacturer data.

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Replacement Parts

Carry approved fuses, contactors or coils, auxiliary contacts, overload or protection modules, control relays, and terminal accessories suitable for the installed device.
Equipment Model #92505 · ✓ still in production