ABB 1SDA054125R1 equipment-fit record
ABB 1SDA054125R1 identifies the ordered T4 molded-case circuit breaker in Tmax T4 molded-case breakers. This page follows the equipment decision from the marked product to the installed acceptance test. The application is to protect the approved Tmax T4 feeder. The shared category image is illustrative only; determine the exact version from ABB 1SDA054125R1 marking.
Verified technical parameters
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | 1SDA054125R1 |
| Product family | Tmax T4 molded-case breakers |
| Component role | T4 molded-case circuit breaker |
| Exact ABB order reference | 1SDA054125R1 |
| ABB product series | Tmax T4 molded-case breakers |
| ABB order code | 1SDA054125R1 |
| Official designation | T4S 320 PR221DS-LS/I In=320 3p F F |
| Manufacturer description | T4S 320 PR221DS-LS/I In=320 3p F F |
| Series boundary | Tmax T4 molded-case breakers |
| Selection checkpoint | T4S/T4H breaking class, 250/320 A rating, three/four poles and trip unit |
| Installation note | Each T4 code has its own trip and connection details. |
| Related-code distinctions | 1SDA054134R1: T4H 320 PR221DS-I In=320 3p F F; 1SDA054137R1: T4H 320 PR221DS-LS/I In=320 4p F F; 1SDA054215R1: T4H 250 TMA 250-2500 3p F F; 1SDA054305R1: T4S 250 MA 160-2240 3p F F |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The ABB 1SDA054125R1 data above distinguishes manufacturer-described facts from site-specific selections. Where the source describes only a component identity, use the actual nameplate and host manual for limits rather than assigning a rating from a neighboring model.
01 | Establish the replacement boundary
The requested ABB 1SDA054125R1 must match the actual equipment position, not merely the purchasing category. Record the panel tag, existing full designation, host revision and operating purpose before selecting a substitute.
For ABB 1SDA054125R1, the decisive comparison is T4S/T4H breaking class, 250/320 A rating, three/four poles and trip unit. If one of those characteristics differs, obtain an engineering review before committing to the order.
02 | Read the ABB designation
ABB 1SDA054125R1 is the code to use in the enquiry, purchase order and maintenance record. Review each character of the manufacturer's designation and compare it with the removed component.
A visually close part from Tmax T4 molded-case breakers may have different electrical duty, mechanism, interface or installation form. ABB 1SDA054125R1 and its related codes are not automatically interchangeable.
04 | Plan safe access
Apply the site's authorized isolation and stored-energy controls before work on ABB 1SDA054125R1. Confirm that the relevant conductors, capacitors, mechanical mechanisms or control circuits are safe to handle.
Follow the documented installation procedure for ABB 1SDA054125R1 and the host equipment. If the part is a control board, use appropriate electrostatic precautions; if it is a breaker component, preserve interlocks and trip settings.
05 | Inspect delivery
Compare the supplied ABB 1SDA054125R1 label with the order and source record. Check visible damage, terminal integrity, supplied accessories, documentation and any revision identifiers.
Do not accept an alternate as ABB 1SDA054125R1 based on a catalogue picture. Record a mismatch explicitly and keep the item out of service until the correct configuration is confirmed.
03 | Check the host assembly
Locate the circuit or mechanical position that receives ABB 1SDA054125R1. Review the drawing, terminal schedule, clearances, protective coordination and accessories that apply to this T4 molded-case circuit breaker.
Each T4 code has its own trip and connection details. A replacement for ABB 1SDA054125R1 must preserve the original assembly's intended operating and safety functions.
06 | Install to the approved drawing
Position ABB 1SDA054125R1 using the approved assembly drawing. Confirm mounting, conductor or connector seating, alignment and the specified clearances before returning power.
For ABB 1SDA054125R1, document the installed serial or revision information if supplied. Retain any required settings and compare them with the approved baseline.
07 | Prove the operating result
After authorized installation, test trip settings and breaker operation. Record the expected response, the observed response and any deviations for ABB 1SDA054125R1.
If ABB 1SDA054125R1 is part of a protective or control circuit, include the relevant trip, feedback, alarm or alternate state in acceptance. A powered-on appearance alone is insufficient evidence.
08 | Preserve the next-order reference
Keep ABB 1SDA054125R1 together with the equipment tag, drawing version, test record and approved configuration. These records allow the next buyer to repeat the correct selection.
When ABB 1SDA054125R1 is later requested, provide the host frame or system identity and any accessory requirements. This prevents substitution by an adjacent code with another duty.
Related ABB designations within this specific series
The following complete codes belong with the ABB 1SDA054125R1 representative page; they will not be published as separate product pages. For each one, compare the exact ABB designation and configuration before ordering.
- 1SDA054134R1
- 1SDA054137R1
- 1SDA054215R1
- 1SDA054305R1
Acceptance note
Use the complete ABB 1SDA054125R1 identity on the signed receiving and installation record.
Store the ABB 1SDA054125R1 functional-test result with the maintained equipment history.
