PW401 S2
CENTUM Power Supply Unit · Power supply unit identified by the PW401 base model and S2 style marking for a compatible CENTUM installation.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
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+86 15359408275CENTUM Power Supply Unit · Yokogawa CENTUM Control Hardware
Yokogawa PW401 S2 is a power supply unit identified by the PW401 base model and S2 style marking for legacy CENTUM control hardware.
Yokogawa product documentation lists the PW401 base model, but the exact electrical and compatibility details of the complete S2 execution must be confirmed from the unit nameplate and installed-system records.
Before replacement, verify the input supply, output and connector arrangement, host chassis or unit, redundancy configuration, hardware revision, grounding and approved shutdown and startup procedure.
| Manufacturer | Yokogawa |
|---|---|
| Model | PW401 |
| Style | S2 |
| Complete identity | PW401 S2 |
| Product type | Power supply unit |
| System context | Yokogawa CENTUM control hardware |
| Official base-model listing | PW401 appears in Yokogawa control-system product documentation |
| Electrical ratings | Verify the complete S2 nameplate before connection |
| Compatibility check | Host unit, input supply, output connections, revision and redundancy arrangement |
| Documentation status | Exact PW401 S2 public manufacturer datasheet not located |
Yokogawa PW401 S2 is identified as a power supply unit for compatible CENTUM control hardware, and the connected host and electrical duty must match the installed configuration.
The S2 marking on Yokogawa PW401 S2 identifies the hardware style, so it should be matched together with the PW401 model during replacement selection.
Yokogawa PW401 S2 must match the host unit, input supply, output connector, grounding, hardware revision and any configured redundant power arrangement.
Yokogawa PW402 should not replace Yokogawa PW401 S2 unless the electrical ratings, mechanical form, connectors, host compatibility and system documentation approve the substitution.
Before removing Yokogawa PW401 S2, record the complete nameplate, input and output wiring, connector positions, host location, status indications and redundancy state.
Yokogawa PW401 S2 should be commissioned by verifying protective earth, input voltage, output stability, status indications, redundant transfer where applicable and normal controller operation.
Provide clear Yokogawa PW401 S2 nameplate and connector photographs, host equipment and system release, electrical ratings, quantity, condition requirement and destination.
Send the complete PW401 S2 catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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