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PW404 S1

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Yokogawa PW404 S1 is a legacy power supply module whose S1 suffix and complete product label must be matched to the installed control-system configuration.
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Technical specifications for PW404 S1

  • Manufacturer:
    Yokogawa
  • Part Number:
    PW404 S1
  • Product Family:
    Centum CS-Centum VP
  • Product Type:
    Power Supply Module
  • Stock:
    1
  • Component classification:
    Power supply module
  • Variant identifier:
    S1
  • Selection key:
    Complete label and host cabinet record
  • Weight:
    1.5 kg
  • Estimated shipping dimensions:
    22 x 5 x 21 cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals S1 Variant Control Electrical Evidence Cross-Model Boundary Product Applications

Features:

  • S1 variant identity: the suffix remains part of the complete model
  • Legacy CENTUM record: Yokogawa includes the base model in official system documentation
  • Evidence-led matching: label and cabinet data control the power-supply decision
PW404 S1 is retained as a complete Yokogawa power-supply variant rather than being collapsed into the base code.

The absence of exact public electrical data makes the installed label the authoritative source for source and load matching.

Separating this variant from other PW-series supplies prevents a family-name similarity from becoming an unsupported interchange claim.
Apter Power can compare the complete PW404 S1 label, connector layout, host cabinet record, condition, and quotation requirements.
Yokogawa PW404 S1 Power Supply Module Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Complete identity: retain S1 in quotations and receiving records.
  • Base-code limit: PW404 alone does not prove the same variant.
  • Acceptance: hold a unit whose suffix cannot be read.
  • Primary source: use the exact removed-unit rating label.
  • Source check: compare cabinet input before energizing.
  • Load check: match output voltage, current, and connector arrangement.
  • PW-series naming: a shared prefix is not compatibility evidence.
  • Specification control: do not copy ratings from PW401 or another supply.
  • Release rule: require host documentation for any proposed alternate.
  • Legacy Yokogawa cabinet maintenance: source the exact S1-marked power module.
  • Evidence-controlled replacement: compare the removed label and connector arrangement.
  • Spare acceptance: prevent another PW-series supply from being substituted by name alone.
Description
The complete marking PW404 S1 identifies a legacy Yokogawa power supply module; the S1 suffix is part of the product identity and must remain in the purchasing record.

Selection of PW404 S1 should therefore follow the installed unit label and cabinet documentation. No compatibility, direct-replacement, electrical-rating or connector-equivalence claim should be made from similarity to PW401 or another PW-series module.
Alternative Names
Yokogawa PW404S1 PW404 Series S1 power module Yokogawa legacy cabinet power supply CENTUM PW404 variant
Technical notes
The S1 suffix is the principal selection boundary for PW404 S1. Current official evidence confirms the legacy model family but does not establish exact electrical ratings or interchangeability with another PW-series supply. Keep the unit de-energized until the complete removed label, connector arrangement, and host cabinet documentation agree with the offered module.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Does the S1 suffix matter when ordering PW404 S1?
Yes. Keep the suffix in the request and compare it with the removed module. A base-code-only offer does not prove that the same variant will arrive.
Can PW404 S1 directly replace PW401 in the same cabinet?
No official direct-replacement evidence has been established. Compare the exact electrical labels, connectors, and Yokogawa host documentation before considering any cross-model change.
What must be known before PW404 S1 is energized?
Confirm the exact input and output ratings from the removed and supplied labels, then compare the cabinet source, downstream load, and connector mapping. Do not infer ratings from the family name.
When should receiving reject or hold PW404 S1?
Hold the module when the S1 suffix is absent, the rating label is unreadable, or the connector arrangement differs from the recorded unit. Resolve the mismatch before installation.

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