# OT250E12WK

ABB OT250E12WK: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OT250E12WK.IGS; OT250E12WK.STP.

## Equipment and file summary

Equipment / resource: OT250E12WK
Manufacturer: ABB
Resource type: Named drawing reference
Manufacturer drawing: OT250E12WK.IGS; OT250E12WK.STP
Manufacturer reference: OT250E12WK.IGS; OT250E12WK.STP
Document revision: A
Listed file formats: IGS, STEP
Listed files: 2
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

- [Switchgear panel](https://eloragrid.ai/objects/switchgear-panel)
- [Switchboard](https://eloragrid.ai/objects/switchboard)
- [Ring main unit](https://eloragrid.ai/objects/ring-main-unit)

Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-ot250e12wk-igs-file-bd04d994ad
Manufacturer: ABB
Entry type: Named drawing reference
Part number: Not specified — select exact configuration
Category: Switchboards & switchgear
Formats: IGS, STEP
Market discovery: Global
Access: Direct download
Official source: https://search.abb.com/library/Download.aspx?DocumentID=OT250E12WK.IGS&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=OT250E12WK.IGS&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Source checked: 2026-11-04

2 original files are 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 “OT250E12WK”. Keep those frame, mounting and accessory codes with the inserted drawing.


## In plain English

### Using the OT250E12WK reference

ABB OT250E12WK: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OT250E12WK.IGS; OT250E12WK.STP.

### A simple example

OT250E12WK.igs is advertised as IGS. Its native format needs separate software validation before a browser model can be offered.

### What the drawings help you do

OT250E12WK.igs is advertised as IGS. Its native format needs separate software validation before a browser model can be offered. Use OT250E12WK.stp revision A for the supplied solid assembly in your 3D layout.

### Before using this reference

- The supplied configuration is “OT250E12WK”. Keep those frame, mounting and accessory codes with the inserted drawing.
- Check whether this reference is the switch body, an operating handle or another accessory. Handle and shaft references do not give the complete switch envelope or terminal clearances.

### What can I use the OT250E12WK reference for?

Use this switching-equipment reference for switch installation and operating arrangement. The supplied configuration is “OT250E12WK”. Keep those frame, mounting and accessory codes with the inserted drawing.

### Which manufacturer reference identifies this drawing?

ABB reference OT250E12WK.IGS; OT250E12WK.STP. The file list retains the original source and recorded revision.

### Terms


Concept diagram: Identify OT250E12WK → Select the drawing or model → Check the mounting interface
The supplied configuration is “OT250E12WK”. Keep those frame, mounting and accessory codes with the inserted drawing.

- [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=OT250E12WK.IGS&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A)


## Which file should I choose?

OT250E12WK.igs is advertised as IGS. Its native format needs separate software validation before a browser model can be offered. Use OT250E12WK.stp revision A for the supplied solid assembly in your 3D layout.

## Official files

- OT250E12WK.igs (IGS): https://search.abb.com/library/Download.aspx?DocumentID=OT250E12WK.IGS&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-ot250e12wk-igs-file-bd04d994ad/aad0c2f150ee83127351
  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=OT250E12WK.IGS&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference OT250E12WK.IGS; acquired: true; redistribution: unknown; SHA-256: aad0c2f150ee83127351fadc83ff6dac5c31af72988da54d6a239c10b4585c5c; revision: A
- OT250E12WK.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OT250E12WK.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-ot250e12wk-igs-file-bd04d994ad/f875336d841ea5b078fb
  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=OT250E12WK.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference OT250E12WK.STP; acquired: true; redistribution: unknown; SHA-256: f875336d841ea5b078fb2ff267f25c04be55f94cbb5f72346f957e9576f1ef5c; revision: A

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