Technical service profile for ABB S203P-B40
ABB S203P-B40 should be specified as a complete device, not inferred from a similar family name. Its protection, control or measurement role must match the actual equipment and installation.
Technical data for model selection
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | S203P-B40 |
| Product family | S203P |
| Component role | three-pole S200P miniature circuit breaker |
| Poles | 3 |
| Rated current | 40 A |
| Trip curve | B |
| Order code | 2CDS283001R0405 |
| Series | S200P |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The stated S203P-B40 data identify the selected reference and its engineering boundaries. Confirm the unit label, applicable standard and exact options before ordering or energizing.
Installation controls
Before working on S203P-B40, apply the approved isolation and permit controls. Capture the existing connections, settings and safety functions as a recoverable baseline.
Install S203P-B40 with the correct conductor, panel spacing and environmental protection. Follow the ABB instructions for the specific construction rather than using a generic wiring assumption.
Design intent
The intended duty of S203P-B40 is to protect the specified 40 A three-phase feeder. Mark the circuit, asset or process tag and preserve the plant drawing that governs this function.
Do not assume a different suffix within S203P provides the same duty as S203P-B40; ratings and accessory arrangements can differ.
What must match
Check S203P-B40 against fault capacity, B-curve start current, busbar and panel heat. In procurement, ask for photographs or ABB documentation that show the complete designation and terminal configuration.
If the candidate S203P-B40 differs from the installed device, document the difference and obtain an engineering decision before fitment.
Fault-finding baseline
For a future fault involving S203P-B40, keep records of upstream supply, load, trip or output state and connected accessories. This separates a device issue from a wiring or process issue.
A replacement S203P-B40 should be checked at the same duty point as the prior installation, with abnormal behavior investigated before return to service.
Handover evidence
For S203P-B40, check termination, phase balance and switching. Record the measured result, witness and date beside the equipment tag.
Retain the final S203P-B40 designation, revision, settings and test outcome in the maintenance record so later work does not rely on memory.
Related model references
The following S203P codes are indexed with ABB S203P-B40 for search and enquiry. They remain configuration-specific; this grouping does not assert electrical, mechanical or approval interchangeability.
- S203P-K1
- S203P-K10
- S203P-K6
Enquiry checklist
Send the exact ABB S203P-B40 designation with circuit or plant tag, required rating, accessories and approval. Confirm current lifecycle and delivery scope.
On receipt of S203P-B40, compare label, package contents and documentation to the approved request. Hold any discrepancy for review before fitting.
