Technical handover for ABB HD4-HXA 17.20.40
ABB HD4-HXA 17.20.40 is the representative identifier for HD4 medium-voltage SF6 circuit breakers. The procurement and maintenance notes below describe its documented role as a HD4-HXA medium-voltage breaker, followed by the checks required before it is used at a real site.
Verified technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | HD4-HXA 17.20.40 |
| Product family | HD4 medium-voltage SF6 circuit breakers |
| Component role | HD4-HXA medium-voltage breaker |
| Exact ABB order reference | hd4-hxa 17.20.40 |
| ABB product series | HD4 medium-voltage SF6 circuit breakers |
| ABB type | HD4-HXA 17.20.40 |
| Interruption | SF6 circuit breaker, not vacuum |
| Related | HD4/P 12 is a distinct HD4 configuration |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
These ABB HD4-HXA 17.20.40 values apply to the representative only. A related code can change voltage, contacts, dimensions, protocol, approval or rated duty; read its own label before substitution.
Fit and interface
Before ABB HD4-HXA 17.20.40 is installed, compare mechanical dimensions, panel opening or rack position, terminal arrangement, wiring diagram and environmental limits. On a networked product, include the addressing and software dependency review.
For ABB HD4-HXA 17.20.40, document the power supply, connected load or instrument signal at the real interface. Any safety or protection function needs the approved design calculation and competent review.
Service request
The work request for ABB HD4-HXA 17.20.40 should state the failed function, the existing nameplate and the asset location. The intended application is to switch and protect an engineered medium-voltage feeder. Record the actual circuit or control point so the replacement decision is tied to a specific duty, not to a visual resemblance.
If ABB HD4-HXA 17.20.40 is proposed as a replacement, capture the former unit's complete designation and compare the functions that matter to the operating plant. A family match narrows the search but does not by itself authorize interchange.
Order review
For ABB HD4-HXA 17.20.40, the purchasing description needs the complete order reference and the relevant configuration. Check voltage class, rated current, short-circuit duty and mechanism. Request written clarification whenever a quoted alternative differs in suffix, revision, frame or accessory set.
The buyer should keep ABB HD4-HXA 17.20.40 separate from service kits and companion accessories. Confirm quantity, mounting hardware, connection method and any software or configuration deliverable before issuing the order.
Commissioning record
Qualified personnel should install ABB HD4-HXA 17.20.40 under the site's isolation and permit procedure. After wiring or assembly, perform authorized mechanical and protection tests. Record the test conditions, result and any setting changed from the approved baseline.
The release to service for ABB HD4-HXA 17.20.40 requires a successful functional test of the complete circuit, not just a powered indicator. Resolve unexpected alarms, communications or mechanical behavior before handover.
Incoming inspection
When ABB HD4-HXA 17.20.40 arrives, compare the box, device marking and paperwork with the purchase order. Look for shipping damage, missing parts, changed terminal layout or a different revision. Isolate a discrepant item until engineering resolves it.
Photograph the ABB HD4-HXA 17.20.40 marking and preserve its traceability. A shared reference image on a website is not proof that a particular delivered unit has the same electrical rating or options.
Next maintenance cycle
Retain the final ABB HD4-HXA 17.20.40 order code, drawings, settings and acceptance results with the asset history. This lets the next team distinguish an approved replacement from a superficially similar variant.
If ABB HD4-HXA 17.20.40 later becomes unavailable, reassess the HD4 medium-voltage SF6 circuit breakers alternatives against the same service request. Do not assume that the next code in a catalog is a drop-in substitute.
Other codes in this ABB series
The following codes are related to ABB HD4-HXA 17.20.40 within the documented HD4 medium-voltage SF6 circuit breakers family. Their specifications and fit can differ. These references are represented on this page and will not be given separate product pages.
- HD4/P 12
Handover condition
Accept ABB HD4-HXA 17.20.40 only when the exact identity, installation interface and test record all agree.
Keep the approved ABB HD4-HXA 17.20.40 documentation with the equipment record for later troubleshooting and purchasing.
