Technical fit record for ABB OS400D03
ABB OS400D03 is indexed here as a specific buying and service reference. Confirm its complete designation before assuming that another family member has the same terminals, electrical duty or approvals.
Verified technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | OS400D03 |
| Product family | OS400D03 |
| Component role | OS400 switch-fuse disconnector |
| Device | Switch fuse; not an automatic breaker |
| Frame | OS400 |
| Configuration | D03 base variant |
| ABB order code | 1SCA022753R1000 |
| Fuse | Select correct fuse type and size separately |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The table for ABB OS400D03 separates verified family data from the configuration checks that still require a nameplate or ABB order record. Do not use a family rating as an unconditional guarantee for the installed unit.
Interface checklist
Before ordering OS400D03, compare the installed terminal or connector arrangement, power source, mounting envelope and ancillary hardware with the current drawing.
Document the serial number and revision of OS400D03 where available. If a supplier proposes a substitute, obtain engineering acceptance for every changed interface.
Purchase decision
Specify ABB OS400D03 against a particular asset tag and duty. This unit is used to switch and isolate a fused low-voltage feeder; record the intended circuit, process or equipment location before requesting a quote.
For OS400D03, confirm fuse size, utilization category, shaft, handle and short-circuit coordination. A matching short family name is not sufficient evidence of electrical, mechanical or software interchangeability.
Receipt inspection
On arrival, compare the supplied OS400D03 label and order code with the approved purchase description. Inspect packaging, terminals, seals and visible damage.
Do not install OS400D03 when the shipped suffix, control voltage, release or approval differs from the approved build; resolve that discrepancy before commissioning.
Site preparation
Plan the OS400D03 replacement under the facility isolation and permit rules. Preserve photographs, configuration files, settings and a diagnostic baseline before disturbing wiring.
Check enclosure temperature, grounding, segregation and protection coordination for OS400D03. Record any accessory that is supplied separately rather than assuming it is in the device box.
Lifecycle handover
Keep ABB OS400D03 linked to its exact spares description, drawings and current manual revision. This helps the next maintenance team identify the same configuration rather than a superficially similar item.
Review the first operating period of OS400D03 for alarms, heating, drift or switching anomalies and update the asset record if the installed build differs from the original request.
Commissioning evidence
For OS400D03, check isolation, handle action and fuse installation. Carry out only the tests approved for this device and the connected installation.
Save the as-left settings, measured results, witness and work-order reference for OS400D03. Any temporary bypass or inhibited alarm must be removed before normal operation.
Related configuration references
The following OS400D03 codes are recorded with ABB OS400D03 for enquiry. Suffixes may alter ratings, dimensions, approvals or accessories; these are not automatic replacements.
No additional unassigned OS400D03 code is grouped with OS400D03 at this stage.
Information to send with an enquiry
Quote ABB OS400D03 exactly and include the asset tag, electrical or process duty, required accessories and delivery documentation.
For OS400D03, request written confirmation of any deviation from the fitted unit before accepting an alternative.
