Last Updated: October 5, 2026
Quick Answer: Distinguish power supply voltage variants by their complete physical model labels and controlled picking records—not by a shared housing or shortened family name. Give each voltage variant a distinct pick location, compare the requested suffix with the unit before packing, and hold a kit when those identities disagree. WEHO LRS-200-24 is the photographed 24 V example; a similar enclosure does not make a different voltage variant an approved substitute.
Start with the voltage-variant picking problem
Industrial service organisations often support several equipment revisions from the same stores area. A useful spare may sit beside another supply with a familiar silver housing, similar terminal cover and the same family name. That visual resemblance can make a picking error easy to miss, particularly when a technician asks for “the 200-watt supply” instead of an exact orderable item.
This guide concerns power supply voltage variants already under engineering control. It addresses variant separation at the pick face and the final kit identity check. It does not discuss storage conditions, shelf life or service-readiness testing. It is also not a first-article approval procedure, a load-step acceptance test or a universal replacement list. An unapproved candidate belongs in a separate engineering review, not in a kit described as the exact requested model.
Begin with one clear question: which approved equipment configurations may receive this exact stock item? A list of allowed assignments is more useful to the storekeeper than a broad statement that the product is an industrial supply. Where the answer is unknown, keep that assignment unresolved rather than substituting a plausible voltage or wattage.
Create an exact-model stock record
Give each stocked item a controlled buyer part number linked to the manufacturer, complete model, approved supplier description and equipment applicability. Preserve the voltage suffix as an ordering field. Do not shorten LRS-200-24 to LRS-200 in a pick list simply to make the text fit a label printer.
The WEHO LRS-200 product page lists several voltage variants within one enclosed family. For the photographed LRS-200-24, the source label and current specification agree on 24 V and 8.8 A. The family is nominally 200 W; the multiplication of label values is not permission to promise a higher continuous power capability. Obtain the ordered documentation before making any application release decision.
The electrical identity is only part of the record. Retain the applicable drawing, mounting arrangement, terminal information and controlled document revision. The documented exterior is 215 mm long, 115 mm wide and 30 mm high. The long and short axes describe the broad vented face; the 30 mm axis is the case thickness. These dimensions do not establish installation clearance, thermal suitability or interchangeability with every similarly sized product.
Its documented AC input uses a range selector. The physical source label prints 115 VAC/4.0 A, 230 VAC/2.0 A and 50/60 Hz; the current specification separately gives the switched operating ranges. Keep the label and document roles distinct. A stock record must not describe this item as an automatically universal-input model or treat a selector observation as approval to connect it at an unknown site.
Give voltage variants separate pick faces
Use distinct pick locations for distinct voltage variants, even when the units share a family name and exterior envelope. Make the full model visible at each location. Avoid one bin labelled only “LRS-200” with mixed voltage suffixes inside it; that forces the picker to rediscover the ordering distinction during every transaction.
Keep variant identification visible in the location description and the pick request. Colour coding may assist a local process, but it should not become the sole evidence of model or voltage. A copied colour dot cannot resolve a mismatch between the requested model and the product’s real label. Likewise, a bin number and a carton count show where stock was found, not which physical voltage variant was picked.
If the organisation uses barcode scanning, link the scanned identifier to the complete controlled model rather than to a family-level description. The scanner is a tool in the check, not evidence that its master data are correct. Verify a newly created mapping against the supplier item and the physical label before using it to automate picking. Keep a documented exception route for unreadable codes instead of permitting free-text substitutions during packing.
The first application scene illustrates a service-parts depot preparing an auxiliary-electronics spare for review. The supply is disconnected on the work surface; a detached nominal35mm rail beside it supplies illustrative scale context, not a mounting arrangement or a dimensional certificate. The gate hardware in the background identifies the service context only. Neither the picture nor this guide verifies that the supply is compatible with a particular gate controller, motor or actuator. Main drive power and auxiliary electronics must remain separate in the equipment records.
Compare the requested item with the physical item before closing the kit
A pick check should compare the controlled request with the item actually being packed. Useful fields include the equipment identifier or approved configuration, buyer part number, full manufacturer model and physical label. Record the serial or lot identifier when it exists; if it is absent, use the organisation’s agreed stock traceability method without presenting an invented code as a factory marking.
For the LRS-200-24 example, a readable physical label should show the complete model and the documented 24 V/8.8 A output. Inspect the exterior condition and accessible connection interface according to the authorised receiving procedure. The source unit has a nine-position screw-terminal block under a clear cover, a small adjustment control and a fanless vented enclosure. This description helps identify the stock item; it does not replace installation instructions or authorise internal inspection.
If the carton, pick request and unit disagree, hold the affected kit and record the exact disagreement. Do not reprint a carton label to make a different unit appear to be the requested variant. Purchasing, engineering or quality can then resolve the source of the mismatch and the disposition of that item. The controlled record should distinguish corrected paperwork from a genuinely authorised substitution.
Make substitution a separate decision
An approved spare and a proposed alternative are different stock states. A supply that is available today is not interchangeable merely because the original unit is unavailable. Matching DC voltage does not, by itself, settle input arrangement, load behaviour, installation method, thermal conditions, protection coordination or equipment approvals.
Create a substitution request outside the normal picking transaction. Identify the original item, proposed alternative and affected equipment configurations. The responsible owners must define its authorised scope separately. Store that decision with the controlled item record so it cannot be extended silently to equipment that was never reviewed.
Do not use the output adjustment control to turn the wrong stock variant into the requested one. An adjustment feature operates within the exact model’s specified limits; it does not erase the voltage suffix or confer a new manufacturer identity. The kit must still contain the approved orderable item. Photographing a changed setting cannot convert LRS-200-24 into LRS-200-12.
Close the kit with a recorded variant check
When a kit leaves stores, retain the link between its request, picked item and intended equipment assignment. Include the relevant instructions and document references through the organisation’s controlled system. Clearly separate “correct stock identity verified” from “installed and commissioned successfully.” The former is a stores decision; the latter requires a separate authorised field procedure and its own actual evidence.
For refrigeration-equipment service kits, the supply example concerns auxiliary electronics only. It is not a compressor supply, a heater supply or a verified replacement for an unknown controller. The second scene shows kit preparation beside commercial merchandising equipment with the supply still unconnected. It is a planning illustration, not a record of powered equipment or a completed repair.
A final kit check should retain who compared the identity, which request was used and the physical model observed. If a kit contains several supplies, link each line separately; an overall “complete” tick can conceal a swapped voltage variant. Preserve a clear discrepancy record when the wrong suffix is found, then repeat the identity comparison after the responsible process supplies the correct item.
Resolve conflicting descriptions without changing the product label
When a purchase description says one voltage and the physical label says another, retain both as evidence. Send the supplier the full purchase line, clear original model and rating photos, and the applicable document references. Ask which exact item was ordered and supplied. Do not choose the voltage that makes the paperwork easier to close, and never alter a physical product label to support that choice.
For kit documentation, use the actual observed identity while the discrepancy remains open. A webpage helps locate the family but is not proof that the delivered unit has another suffix. If a corrected purchase record is issued, preserve the correction and its authority rather than deleting the earlier mismatch. This is a practical prevention measure at the picking interface, not a claim that the item has passed electrical or end-use acceptance.
Key Takeaways
- Distinguish power supply voltage variants by the complete physical model, not housing similarity.
- Give different voltage variants separate pick faces and controlled item mappings.
- Compare the requested item, carton and physical label before releasing a service kit.
- Treat an alternative model as a separate substitution decision with a defined authorised scope.
- Retain the kit-to-item record without claiming that stock identity proves installation compatibility or commissioning success.
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Clear control of power supply voltage variants reduces preventable picking mistakes. The LRS-200-24 provides a concrete identity example: preserve its actual model and ratings rather than allowing the family name or shared enclosure to stand in for the requested suffix. For an exact ordered specification or an unresolved variant discrepancy, contact WEHO with the model, clear original label photos and the relevant purchasing record. Resolve the identity before closing the kit; installation release remains a separate technical decision.
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Can supplies with the same housing share one spare-parts stock code?
Only if the controlled purchasing and engineering process has explicitly established that they are the same approved orderable item. Similar housings or a shared family name do not establish voltage, input or application interchangeability. Preserve the full model and voltage suffix in the stock record.
What should a storekeeper compare before releasing a service kit?
Compare the controlled request, buyer part number, complete manufacturer model and physical product label. Retain the intended equipment assignment and available serial or lot identity. Record a mismatch and hold the affected kit rather than changing the product or carton label to imply a match.
Does a kit identity check prove equipment compatibility or successful commissioning?
No. Confirming the full model in a kit is not a measured equipment-acceptance or commissioning result. The LRS-200-24 source label and specification identify a24V,8.8A example in the nominal200W family; they do not establish an unknown gate or refrigeration controller’s input, loads, thermal conditions, installation requirements or approvals. Both application scenes show disconnected kit preparation only.
Can an output adjustment change LRS-200-24 into LRS-200-12?
No. Adjustment operates within the specified limits of the actual model; it does not change its manufacturer identity or approve it as a different voltage variant. Do not use adjustment or a changed carton label to make a picking mismatch appear resolved.
What should happen when the approved spare is unavailable?
Raise a separate substitution request identifying the original and proposed alternative plus the affected equipment configurations. The responsible owners must define the authorised scope and evidence. Availability alone is not approval, and matching output voltage alone is insufficient.
Does a successful barcode scan prove the voltage variant is correct?
Not by itself. The scanned identifier must map to the complete controlled model, and that mapping must be checked against the actual supplier item and physical label. A family-level code or incorrect master-data record can still select the wrong voltage suffix.
