# WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1) ABB WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1): electrical connection diagram for control-panel wiring and component arrangement. Use this sheet for circuit connections rather than a physical GA footprint. ## Equipment and file summary Equipment / resource: WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1) Manufacturer: ABB Resource type: Named drawing reference Manufacturer drawing: 1SQC913855D0201 Manufacturer reference: 1SQC913855D0201 Document revision: D Listed file formats: DWG, PDF Listed files: 2 Available previews: 2 drawing previews Recorded revisions: D Source checked: 2026-11-04 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [PLC CPU module](https://eloragrid.ai/objects/ga-plc-cpu-module) - [HMI touchscreen](https://eloragrid.ai/objects/ga-hmi-touchscreen) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/abb-wiring-diagram-311-size-1-w-comp-relay-55-537221s1-dwg-0c6fff04d0 Manufacturer: ABB Entry type: Named drawing reference Part number: Not specified — select exact configuration Category: Automation & controls Formats: DWG, PDF Market discovery: Global Access: Direct download Official source: https://search.abb.com/library/Download.aspx?DocumentID=1SQC913855D0201&LanguageCode=en&DocumentPartId=DWG&Action=Launch&DocumentRevisionId=D Manufacturer evidence: https://search.abb.com/library/Download.aspx?DocumentID=1SQC913855D0201&LanguageCode=en&DocumentPartId=DWG&Action=Launch&DocumentRevisionId=D Source checked: 2026-11-04 2 original files are available to download here. Manufacturer sources and revisions are listed below. Confirm the exact regional configuration against the selected manufacturer drawing. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. ## In plain English ### Using the WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1) reference ABB WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1): electrical connection diagram for control-panel wiring and component arrangement. Use this sheet for circuit connections rather than a physical GA footprint. ### A simple example Use 1SQC913855D0201_en_DWG_D_WIRING_DIAGRAM_311_SIZE_1_W_COMP_RELAY_55_537221S1__DWG.dwg revision D for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. ### What the drawings help you do Use 1SQC913855D0201_en_DWG_D_WIRING_DIAGRAM_311_SIZE_1_W_COMP_RELAY_55_537221S1__DWG.dwg revision D for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. Use 1SQC913855D0201.pdf revision D to read the original manufacturer sheet and its annotations. ### Before using this reference - This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. - Keep the named starter size and control configuration with this reference. A connection diagram identifies circuit connections; it does not supply a panel cutout or a physical mounting footprint. ### What can I use the WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1) reference for? Use this electrical connection diagram for control-panel wiring and component arrangement. This is an electrical connection reference. Use a separate equipment outline for physical positioning in the general arrangement. ### Which manufacturer reference identifies this drawing? ABB reference 1SQC913855D0201. The file list retains the original source and recorded revision. ### Terms Concept diagram: Identify WIRING DIAGRAM 311 SIZE 1 W/COMP RELAY(55-537221S1) → Select the connection diagram → Check circuit configuration 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=1SQC913855D0201&LanguageCode=en&DocumentPartId=DWG&Action=Launch&DocumentRevisionId=D) ## Which file should I choose? Use 1SQC913855D0201_en_DWG_D_WIRING_DIAGRAM_311_SIZE_1_W_COMP_RELAY_55_537221S1__DWG.dwg revision D for editable DWG drawing geometry. Keep its original layers and dimension annotations when inserting the drawing. Use 1SQC913855D0201.pdf revision D to read the original manufacturer sheet and its annotations. ## Official files - 1SQC913855D0201_en_DWG_D_WIRING_DIAGRAM_311_SIZE_1_W_COMP_RELAY_55_537221S1__DWG.dwg (DWG): https://search.abb.com/library/Download.aspx?DocumentID=1SQC913855D0201&LanguageCode=en&DocumentPartId=DWG&Action=Launch&DocumentRevisionId=D Site download: https://eloragrid.ai/tools/cad-library/download/abb-wiring-diagram-311-size-1-w-comp-relay-55-537221s1-dwg-0c6fff04d0/09e9b0e71daa79f99f4e 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=1SQC913855D0201&LanguageCode=en&DocumentPartId=DWG&Action=Launch&DocumentRevisionId=D Purpose: Manufacturer drawing reference 1SQC913855D0201; acquired: true; redistribution: unknown; SHA-256: 09e9b0e71daa79f99f4ee9755cbb424f257b2ea6bb7062f90315acd0e7375bd1; revision: D - 1SQC913855D0201.pdf (PDF): https://search.abb.com/library/Download.aspx?DocumentID=1SQC913855D0201&LanguageCode=en&DocumentPartId=PDF&Action=Launch&DocumentRevisionId=D Site download: https://eloragrid.ai/tools/cad-library/download/abb-wiring-diagram-311-size-1-w-comp-relay-55-537221s1-dwg-0c6fff04d0/55a4f08a8e78bcd8de93 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=1SQC913855D0201&LanguageCode=en&DocumentPartId=PDF&Action=Launch&DocumentRevisionId=D Purpose: Manufacturer drawing reference 1SQC913855D0201; acquired: true; redistribution: unknown; SHA-256: 55a4f08a8e78bcd8de935d2c9cb25e211894ab2d83e896db918ed536b5cf4277; revision: D Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.