# Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB ABB Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB: electrical connection diagram for breaker compartment and mounting interfaces. Use this sheet for circuit connections rather than a physical GA footprint. ## Equipment and file summary Equipment / resource: Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: P3421D12SU0TK00C Manufacturer reference: P3421D12SU0TK00C Document revision: A Listed file formats: PDF Listed files: 1 Available previews: 1 drawing previews Recorded revisions: A Source checked: 2026-11-04 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [Air circuit breaker](https://eloragrid.ai/objects/ga-air-circuit-breaker) - [Moulded-case circuit breaker](https://eloragrid.ai/objects/ga-moulded-case-circuit-breaker) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-oneline-dpa-20-120-208v-ul-3-bkr-mbp-w-kirk-key-tmgf-mccb-dwg-9ceccce3be Manufacturer: ABB Entry type: Named drawing reference Part number: Not specified — select exact configuration Category: Breakers & accessories Formats: PDF Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=P3421D12SU0TK00C&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=P3421D12SU0TK00C&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 “Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB”. Keep those frame, mounting and accessory codes with the inserted drawing. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. ## In plain English ### Using the Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB reference ABB Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB: electrical connection diagram for breaker compartment and mounting interfaces. Use this sheet for circuit connections rather than a physical GA footprint. ### A simple example Use P3421D12SU0TK00C.pdf revision A to read the original manufacturer sheet and its annotations. Start with page 1 for the dimension or mounting references identified in the document. ### What the drawings help you do Use P3421D12SU0TK00C.pdf revision A to read the original manufacturer sheet and its annotations. Start with page 1 for the dimension or mounting references identified in the document. ### Before using this reference - The supplied configuration is “Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB”. Keep those frame, mounting and accessory codes with the inserted drawing. - This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. - Use the exact frame, pole and mounting configuration named by this reference. Door drilling, connection and accessory drawings describe those interfaces rather than a complete switchboard. ### What can I use the Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB reference for? Use this electrical connection diagram for breaker compartment and mounting interfaces. The supplied configuration is “Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB”. Keep those frame, mounting and accessory codes with the inserted drawing. ### Which manufacturer reference identifies this drawing? ABB reference P3421D12SU0TK00C. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB → Select the connection diagram → Check circuit configuration The supplied configuration is “Oneline DPA 20-120 208V UL_3-bkr MBP w Kirk Key + TMGF MCCB”. Keep those frame, mounting and accessory codes with the inserted drawing. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. - [ABB source](https://search.abb.com/library/Download.aspx?DocumentID=P3421D12SU0TK00C&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A) ## Which file should I choose? Use P3421D12SU0TK00C.pdf revision A to read the original manufacturer sheet and its annotations. Start with page 1 for the dimension or mounting references identified in the document. ## Official files - P3421D12SU0TK00C.pdf (PDF): https://search.abb.com/library/Download.aspx?DocumentID=P3421D12SU0TK00C&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Site download: https://eloragrid.ai/tools/cad-library/download/abb-oneline-dpa-20-120-208v-ul-3-bkr-mbp-w-kirk-key-tmgf-mccb-dwg-9ceccce3be/1d787cc9ba5c55a4a060 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=P3421D12SU0TK00C&LanguageCode=en&DocumentPartId=&Action=Launch&DocumentRevisionId=A Purpose: Manufacturer drawing reference P3421D12SU0TK00C; acquired: true; redistribution: unknown; SHA-256: 1d787cc9ba5c55a4a060b0bfb1babfc6ace6dc925e19951e950efe43156cb5a6; revision: A Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.