# OTCMG3-3BS

ABB OTCMG3-3BS: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OTCM_G3-3BS_SR.STP.

## Equipment and file summary

Equipment / resource: OTCMG3-3BS
Manufacturer: ABB
Resource type: Named drawing reference
Manufacturer drawing: OTCM_G3-3BS_SR.STP
Manufacturer reference: OTCM_G3-3BS_SR.STP
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

- [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-otcmg3-3bs-a388ef84c3
Manufacturer: ABB
Entry type: Named drawing reference
Part number: Not specified — select exact configuration
Category: Switchboards & switchgear
Formats: STEP
Market discovery: Global
Access: Direct download
Official source: https://search.abb.com/library/Download.aspx?DocumentID=OTCM_G3-3BS_SR.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=OTCM_G3-3BS_SR.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 “OTCMG3-3BS”. Keep those frame, mounting and accessory codes with the inserted drawing.


## In plain English

### Using the OTCMG3-3BS reference

ABB OTCMG3-3BS: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OTCM_G3-3BS_SR.STP.

### A simple example

Use OTCM_G3_3BS_SR.STP_en_A_OTCMG3_3BS__stp_file.stp revision A for the supplied solid assembly in your 3D layout. Match the OTCMG3-3BS configuration named by ABB.

### What the drawings help you do

Use OTCM_G3_3BS_SR.STP_en_A_OTCMG3_3BS__stp_file.stp revision A for the supplied solid assembly in your 3D layout.

### Before using this reference

- The supplied configuration is “OTCMG3-3BS”. 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 OTCMG3-3BS reference for?

Use this switching-equipment reference for switch installation and operating arrangement. The supplied configuration is “OTCMG3-3BS”. Keep those frame, mounting and accessory codes with the inserted drawing.

### Which manufacturer reference identifies this drawing?

ABB reference OTCM_G3-3BS_SR.STP. The file list retains the original source and recorded revision.

### Terms


Concept diagram: Identify OTCMG3-3BS → Select the drawing or model → Check the mounting interface
The supplied configuration is “OTCMG3-3BS”. Keep those frame, mounting and accessory codes with the inserted drawing.

- [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=OTCM_G3-3BS_SR.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A)


## Which file should I choose?

Use OTCM_G3_3BS_SR.STP_en_A_OTCMG3_3BS__stp_file.stp revision A for the supplied solid assembly in your 3D layout.

## Official files

- OTCM_G3_3BS_SR.STP_en_A_OTCMG3_3BS__stp_file.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OTCM_G3-3BS_SR.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-otcmg3-3bs-a388ef84c3/e2d147b3d0433de0c96a
  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=OTCM_G3-3BS_SR.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference OTCM_G3-3BS_SR.STP; acquired: true; redistribution: unknown; SHA-256: e2d147b3d0433de0c96afc12561d8768dba466b8ddc23256c3b8435e0de31467; revision: A

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