# OT1600EM04

ABB OT1600EM04: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OT1600EM04.STP.

## Equipment and file summary

Equipment / resource: OT1600EM04
Manufacturer: ABB
Resource type: Named drawing reference
Part number: 1SCA118948R1001
Manufacturer drawing: OT1600EM04.STP
Manufacturer reference: OT1600EM04.STP
Document revision: A
Model envelope: OT1600EM04.stp: 220 × 429.5 × 372 mm (approximate X × Y × Z bounds of the tessellated source model)
Listed file formats: STEP
Listed files: 1
Available previews: 1 interactive model variants
Recorded revisions: A
Source checked: 2026-11-03
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-ot1600em04-b2fb2509dd
Manufacturer: ABB
Entry type: Named drawing reference
Part number: 1SCA118948R1001
Category: Switchboards & switchgear
Formats: STEP
Market discovery: Global
Access: Direct download
Official source: https://search.abb.com/library/Download.aspx?DocumentID=OT1600EM04.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=OT1600EM04.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
Source checked: 2026-11-03

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 “OT1600EM04”. Keep those frame, mounting and accessory codes with the inserted drawing.


## In plain English

### Using the OT1600EM04 reference

ABB OT1600EM04: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OT1600EM04.STP.

### A simple example

Use OT1600EM04.stp revision A for the supplied solid assembly in your 3D layout. Match the OT1600EM04 configuration named by ABB.

### What the drawings help you do

Use OT1600EM04.stp revision A for the supplied solid assembly in your 3D layout.

### Before using this reference

- The supplied configuration is “OT1600EM04”. 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.
- OT1600EM04.stp has approximate model bounds of 220 × 429.5 × 372 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.

### What can I use the OT1600EM04 reference for?

Use this switching-equipment reference for switch installation and operating arrangement. The supplied configuration is “OT1600EM04”. Keep those frame, mounting and accessory codes with the inserted drawing.

### Which manufacturer reference identifies this drawing?

ABB reference OT1600EM04.STP. The file list retains the original source and recorded revision.

### Terms


Concept diagram: Identify OT1600EM04 → Select the drawing or model → Check the mounting interface
The supplied configuration is “OT1600EM04”. Keep those frame, mounting and accessory codes with the inserted drawing.

- [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=OT1600EM04.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A)


## Which file should I choose?

Use OT1600EM04.stp revision A for the supplied solid assembly in your 3D layout.

## Official files

- OT1600EM04.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OT1600EM04.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Site download: https://eloragrid.ai/tools/cad-library/download/abb-ot1600em04-b2fb2509dd/eaa1a6eed3905f4cb5e1
  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=OT1600EM04.STP&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A
  Purpose: Manufacturer drawing reference OT1600EM04.STP; acquired: true; redistribution: unknown; SHA-256: eaa1a6eed3905f4cb5e133bce0d38fa42a4559e052d4388f592a869bf2fbc004; revision: A

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