# STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350

ABB STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 9AKK108466A7403.

## Equipment and file summary

Equipment / resource: STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350
Manufacturer: ABB
Resource type: Named drawing reference
Manufacturer drawing: 9AKK108466A7403
Manufacturer reference: 9AKK108466A7403
Document revision: A
Listed file formats: STEP
Listed files: 1
Available previews: 1 interactive model variants
Recorded revisions: A
Source checked: 2026-11-04
Download access: Email registration for site downloads; official source links are also available

## Related GA references

- [Air circuit breaker](https://eloragrid.ai/objects/ga-air-circuit-breaker)
- [Moulded-case circuit breaker](https://eloragrid.ai/objects/ga-moulded-case-circuit-breaker)

Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-step-eovr-t2-t3-1n-20-275-and-eovr-t2-1n-40-350-ff859602fa
Manufacturer: ABB
Entry type: Named drawing reference
Part number: Not specified — select exact configuration
Category: Breakers & accessories
Formats: STEP
Market discovery: Global
Access: Direct download
Official source: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108466A7403&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108466A7403&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Source checked: 2026-11-04

1 original file is available to download here. Manufacturer sources and revisions are listed below.
Confirm the exact regional configuration against the selected manufacturer drawing.
The supplied configuration is “STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350”. Keep those frame, mounting and accessory codes with the inserted drawing.


## In plain English

### Using the STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350 reference

ABB STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350: breaker or breaker-accessory reference for breaker compartment and mounting interfaces. Manufacturer reference 9AKK108466A7403.

### A simple example

Use 9AKK108466A7403.stp revision A for the supplied solid assembly in your 3D layout. Match the STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350 configuration named by ABB.

### What the drawings help you do

Use 9AKK108466A7403.stp revision A for the supplied solid assembly in your 3D layout.

### Before using this reference

- The supplied configuration is “STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350”. Keep those frame, mounting and accessory codes with the inserted drawing.
- Use the exact frame, pole and mounting configuration named by this reference. Door drilling, connection and accessory drawings describe those interfaces rather than a complete switchboard.

### What can I use the STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350 reference for?

Use this breaker or breaker-accessory reference for breaker compartment and mounting interfaces. The supplied configuration is “STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350”. Keep those frame, mounting and accessory codes with the inserted drawing.

### Which manufacturer reference identifies this drawing?

ABB reference 9AKK108466A7403. The file list retains the original source and recorded revision.

### Terms


Concept diagram: Identify STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350 → Select the drawing or model → Check the mounting interface
The supplied configuration is “STEP eOVR T2-T3 1N 20-275 and eOVR T2 1N 40-350”. Keep those frame, mounting and accessory codes with the inserted drawing.

- [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=9AKK108466A7403&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A)


## Which file should I choose?

Use 9AKK108466A7403.stp revision A for the supplied solid assembly in your 3D layout.

## Official files

- 9AKK108466A7403.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=9AKK108466A7403&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-step-eovr-t2-t3-1n-20-275-and-eovr-t2-1n-40-350-ff859602fa/8e450896b59f0d3993b7
  Hosting basis: no-explicit-prohibition; publisher attribution: ABB; reviewed: 2026-11-04
  Rights review: Reviewed the available source, embedded drawing text and archive notices. No explicit applicable redistribution prohibition was identified. Rights remain unknown; no licence or manufacturer endorsement is asserted.; evidence: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108466A7403&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference 9AKK108466A7403; acquired: true; redistribution: unknown; SHA-256: 8e450896b59f0d3993b798dbf1cc10a8e6cc869023615163563d9f795f7781ed; revision: A

Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.