# OHF1C12

ABB OHF1C12: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OHF1C12.STP.

## Equipment and file summary

Equipment / resource: OHF1C12
Manufacturer: ABB
Resource type: Named drawing reference
Part number: 1SCA022858R9390
Manufacturer drawing: OHF1C12.STP
Source configurations grouped on this page: OHF1C12; OHF1C4
Manufacturer reference: OHF1C12.STP
Document revision: A
Model envelope: OHF1C4.stp: 267.3 × 201.8 × 44.5 mm (approximate X × Y × Z bounds of the tessellated source model)
Manufacturer reference: 9AKK108470A3198
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

- [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-ohf1c12-daa3f5a05f
Manufacturer: ABB
Entry type: Named drawing reference
Part number: 1SCA022858R9390
Category: Switchboards & switchgear
Formats: STEP
Market discovery: Global
Access: Direct download
Official source: https://search.abb.com/library/Download.aspx?DocumentID=OHF1C12.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=OHF1C12.STP&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 “OHF1C12”. Keep those frame, mounting and accessory codes with the inserted drawing.


## In plain English

### Using the OHF1C12 reference

ABB OHF1C12: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OHF1C12.STP.

### A simple example

Use OHF1C12.STP.stp revision A for the supplied solid assembly in your 3D layout. Match the OHF1C12 configuration named by ABB.

### What the drawings help you do

Use OHF1C12.STP.stp revision A for the supplied solid assembly in your 3D layout. Use OHF1C4.stp revision A for the supplied solid assembly in your 3D layout. Match the OHF1C4 configuration named by ABB.

### Before using this reference

- The supplied configuration is “OHF1C12”. 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.
- OHF1C4.stp has approximate model bounds of 267.3 × 201.8 × 44.5 mm (approximate X × Y × Z bounds of the tessellated source model). Compare these model axes with the installation orientation; mounting and service clearances are separate requirements.
- The supplied configuration is “OHF1C4”. Keep those frame, mounting and accessory codes with the inserted drawing.
- This page groups 2 source references for the same configuration or model geometry. The file list retains the separate formats and source revisions.

### What can I use the OHF1C12 reference for?

Use this switching-equipment reference for switch installation and operating arrangement. The supplied configuration is “OHF1C12”. Keep those frame, mounting and accessory codes with the inserted drawing.

### Which manufacturer reference identifies this drawing?

ABB reference OHF1C12.STP. The file list retains the original source and recorded revision.

### Terms


Concept diagram: Identify OHF1C12 → Select the drawing or model → Check the mounting interface
The supplied configuration is “OHF1C12”. Keep those frame, mounting and accessory codes with the inserted drawing.

- [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=OHF1C12.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A)


## Which file should I choose?

Use OHF1C12.STP.stp revision A for the supplied solid assembly in your 3D layout. Use OHF1C4.stp revision A for the supplied solid assembly in your 3D layout. Match the OHF1C4 configuration named by ABB.

## Official files

- OHF1C12.STP (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OHF1C12.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-ohf1c12-daa3f5a05f/51d1d8eeffd924d2f212
  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=OHF1C12.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference OHF1C12.STP; acquired: true; redistribution: unknown; SHA-256: 51d1d8eeffd924d2f212cbbf3d4c4085923c50ae8d6f037480adb94b4f072ed6; revision: A

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