# OX_30U-250_2O4_B ABB OX_30U-250_2O4_B: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OX_30U-250_2O4_B_. ## Equipment and file summary Equipment / resource: OX_30U-250_2O4_B Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: OX_30U-250_2O4_B_ Source configurations grouped on this page: OX_30U-250_2O4_B; OX_30U-250_2S4_B; OX_30U-250_3X4_B Manufacturer reference: OX_30U-250_2O4_B_ Document revision: A Model envelope: OX_30U_250_2O4_B_LIGHT.stp: 304.5 × 181.2 × 329.7 mm (approximate X × Y × Z bounds of the tessellated source model) Manufacturer reference: OX_30U-250_2S4_B_ Model envelope: OX_30U_250_2S4_B_LIGHT.stp: 304.5 × 181.2 × 329.7 mm (approximate X × Y × Z bounds of the tessellated source model) Manufacturer reference: OX_30U-250_3X4_B_ Model envelope: OX_30U_250_3X4_B_LIGHT.stp: 304.5 × 181.2 × 329.7 mm (approximate X × Y × Z bounds of the tessellated source model) Listed file formats: STEP Listed files: 3 Available previews: 3 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-ox-30u-250-2o4-b-ec2cebbda8 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=OX_30U-250_2O4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=OX_30U-250_2O4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Source checked: 2026-11-03 3 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 “OX_30U-250_2O4_B”. Keep those frame, mounting and accessory codes with the inserted drawing. ## In plain English ### Using the OX_30U-250_2O4_B reference ABB OX_30U-250_2O4_B: switching-equipment reference for switch installation and operating arrangement. Manufacturer reference OX_30U-250_2O4_B_. ### A simple example Use OX_30U_250_2O4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Match the OX_30U-250_2O4_B_ configuration named by ABB. ### What the drawings help you do Use OX_30U_250_2O4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Use OX_30U_250_2S4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Match the OX_30U-250_2S4_B_ configuration named by ABB. Use OX_30U_250_3X4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Match the OX_30U-250_3X4_B_ configuration named by ABB. ### Before using this reference - The supplied configuration is “OX_30U-250_2O4_B”. 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. - OX_30U_250_2O4_B_LIGHT.stp has approximate model bounds of 304.5 × 181.2 × 329.7 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 “OX_30U-250_2S4_B”. Keep those frame, mounting and accessory codes with the inserted drawing. - OX_30U_250_2S4_B_LIGHT.stp has approximate model bounds of 304.5 × 181.2 × 329.7 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 “OX_30U-250_3X4_B”. Keep those frame, mounting and accessory codes with the inserted drawing. - OX_30U_250_3X4_B_LIGHT.stp has approximate model bounds of 304.5 × 181.2 × 329.7 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. - This page groups 3 source references for the same configuration or model geometry. The file list retains the separate formats and source revisions. ### What can I use the OX_30U-250_2O4_B reference for? Use this switching-equipment reference for switch installation and operating arrangement. The supplied configuration is “OX_30U-250_2O4_B”. Keep those frame, mounting and accessory codes with the inserted drawing. ### Which manufacturer reference identifies this drawing? ABB reference OX_30U-250_2O4_B_. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify OX_30U-250_2O4_B → Select the drawing or model → Check the mounting interface The supplied configuration is “OX_30U-250_2O4_B”. Keep those frame, mounting and accessory codes with the inserted drawing. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=OX_30U-250_2O4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A) ## Which file should I choose? Use OX_30U_250_2O4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Use OX_30U_250_2S4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Match the OX_30U-250_2S4_B_ configuration named by ABB. Use OX_30U_250_3X4_B_LIGHT.stp revision A for the supplied solid assembly in your 3D layout. Match the OX_30U-250_3X4_B_ configuration named by ABB. ## Official files - OX_30U_250_2O4_B_LIGHT.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OX_30U-250_2O4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-ox-30u-250-2o4-b-ec2cebbda8/70c594ae9472c7b8bb0a 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=OX_30U-250_2O4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference OX_30U-250_2O4_B_; acquired: true; redistribution: unknown; SHA-256: 70c594ae9472c7b8bb0abcddda58d9be3b3c59ebd2e9abfd12eadbb502728263; revision: A - OX_30U_250_2S4_B_LIGHT.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OX_30U-250_2S4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-ox-30u-250-2o4-b-ec2cebbda8/db5e8269c362f45a5b10 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=OX_30U-250_2S4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference OX_30U-250_2S4_B_; acquired: true; redistribution: unknown; SHA-256: db5e8269c362f45a5b100677da188fc5f042ebff1ab335338d02a3d2118aee6a; revision: A - OX_30U_250_3X4_B_LIGHT.stp (STEP): https://search.abb.com/library/Download.aspx?DocumentID=OX_30U-250_3X4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-ox-30u-250-2o4-b-ec2cebbda8/781c560a5d98acdeb023 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=OX_30U-250_3X4_B_&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference OX_30U-250_3X4_B_; acquired: true; redistribution: unknown; SHA-256: 781c560a5d98acdeb02364619ff1ea8e35afb3fce20e7a87cc1445601ffb3486; revision: A Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.