Using ABB 1SAZ511201R1003 in the correct assembly
This field-service FAQ identifies ABB 1SAZ511201R1003 for accurate ordering and for checking the complete installed function.
Verified technical parameters
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | 1SAZ511201R1003 |
| Product family | TA450DU-310 |
| Component role | 220–310 A thermal overload relay |
| Exact ABB order code | 1SAZ511201R1003 |
| Product series | TA450DU-310 |
| Setting range | 220–310 A |
| Trip class | 10A |
| Family | TA450DU thermal overload series |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
Use the ABB 1SAZ511201R1003 values together with the cited ABB publication and the delivered device marking; option-dependent details require confirmation.
What does this exact code identify?
ABB 1SAZ511201R1003 designates 220–310 A thermal overload relay. Quote the whole order code from the installed marking; a family name or similar photograph does not confirm the fitted supply, contact pattern or current window.
The intended ABB 1SAZ511201R1003 role is to protect the approved large motor circuit. Check the host machine and approved drawings before deciding whether this is the correct part.
Which technical limits should be compared?
Compare the ABB 1SAZ511201R1003 data table with the site design, including current, voltage, trip class, poles or interface where applicable. Values for a sibling order code are not automatically values for this unit.
For ABB 1SAZ511201R1003, verify motor current, mounting and upstream protection. If a required characteristic is not documented, request the manufacturer sheet and inspect the delivered nameplate.
What is normally supplied separately?
ABB 1SAZ511201R1003 may rely on an external overload element, mounting kit, auxiliary block, controller settings or host contactor according to its function. List every required companion article in the purchase order.
Do not assume ABB 1SAZ511201R1003 includes a complete starter or a ready-to-use safety function. Confirm terminals, accessories, wiring and the whole assembly before installation.
How should a replacement be assessed?
When a supplier suggests another code in place of ABB 1SAZ511201R1003, compare the exact series, mounting, dimensions, control supply, load rating, contact pattern and approvals. Get a written technical difference record.
Retain the removed ABB 1SAZ511201R1003 and its connection photograph until the replacement has passed the approved functional test. Engineering approval is required for a meaningful change.
What should the technician test?
After isolated installation of ABB 1SAZ511201R1003 by qualified personnel, record setting and trip test. Record test settings, measured values and expected response before returning the circuit to operation.
ABB 1SAZ511201R1003 should be tested in normal, commanded and relevant fault or off conditions. Verify feedback signals and interlocks at the system level.
What should purchasing keep on file?
Save the ABB 1SAZ511201R1003 code, manufacturer reference, accepted configuration and dated as-left photos with the equipment record. This preserves a reliable route for the next procurement cycle.
If ABB 1SAZ511201R1003 becomes obsolete, seek an ABB-supported successor or documented equivalent and review all interface differences; do not silently swap an adjacent variant.
Final field note
Release an ABB 1SAZ511201R1003 order after exact-code, duty and companion-part checks have been signed off.
After commissioning ABB 1SAZ511201R1003, keep the acceptance results and updated spare record with the asset.
