ABB 1SVR550881R9400 series and application review
ABB 1SVR550881R9400 represents the CM-PBE phase-loss monitoring series for this technical selection record. It is intended to help evaluate signal missing phase or neutral in a three-phase system; the full order identity remains essential because related versions may perform different functions.
Technical data for this order reference
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | 1SVR550881R9400 |
| Product family | CM-PBE phase-loss monitoring |
| Component role | three-phase/neutral monitor |
| Exact ABB order reference | 1SVR550881R9400 |
| ABB product series | CM-PBE phase-loss monitoring |
| ABB type | CM-PBE.01 |
| Role | Phase-loss and neutral supervision |
| Output | One normally open contact |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The technical entries above describe ABB 1SVR550881R9400. Verify the actual nameplate, product revision and current ABB instructions before treating any value as an installation limit.
Which interfaces control the choice?
For ABB 1SVR550881R9400, check monitored voltage, neutral reference and trip wiring. Confirm the field wiring or mechanical interface using the actual equipment drawing, not only a photograph or shortened code.
Record connector, terminal, mounting and available space for ABB 1SVR550881R9400. If the existing equipment has been modified, reconcile the drawing with what is installed before the purchase order is approved.
What work must the device do?
Start with the task assigned to ABB 1SVR550881R9400: signal missing phase or neutral in a three-phase system. Write down the operating state, abnormal condition and required response before comparing catalog labels.
An ABB CM-PBE phase-loss monitoring reference may differ from ABB 1SVR550881R9400 in function, setting range, number of poles, supply or installation format. Browsing together does not make the devices automatic substitutes.
How should receipt be checked?
At delivery, compare ABB 1SVR550881R9400 against the purchase specification and the ABB marking. Inspect terminals, housing, protective packaging and all items supplied with the device.
Keep ABB 1SVR550881R9400 segregated from other CM-PBE phase-loss monitoring variants until its identity and application are confirmed. Resolve discrepancies rather than silently changing the maintenance plan.
What must the quotation preserve?
Request ABB 1SVR550881R9400 by its complete order designation and include the required approvals and accessories. A quotation that shows only the series name is not sufficiently specific for procurement.
If ABB 1SVR550881R9400 is offered in another revision or with a substitute code, obtain a difference statement covering current, voltage, logic, firmware, mounting and regulatory status before acceptance.
How is future replacement controlled?
Store ABB 1SVR550881R9400 with its asset tag and complete order reference. That record reduces the risk of ordering a similar-looking but differently rated CM-PBE phase-loss monitoring device next time.
A future change from ABB 1SVR550881R9400 to any related code needs a fresh interface and protection review. The related list on this page is a sourcing aid, not a compatibility approval.
What proves the installation works?
Use the approved safe-work procedure for ABB 1SVR550881R9400, then verify alarm response to permitted phase-loss simulation. Test the behavior that matters to the circuit or process rather than relying only on an illuminated indicator.
Document ABB 1SVR550881R9400 with the observed test result, date, settings and drawing revision. If a test fails, correct the wiring or configuration and repeat the applicable acceptance steps.
Approval checkpoint
Release ABB 1SVR550881R9400 for purchase or installation only after the order identity, technical limits and equipment interfaces have been reconciled.
Keep the ABB 1SVR550881R9400 acceptance evidence with the site asset record, including any approved departure from the original configuration.
