# 1756 PB72 Allen-Bradley 1756 PB72: original DXF / STEP for control-panel equipment layouts. ## Equipment and file summary Equipment / resource: 1756 PB72 Manufacturer: Allen-Bradley Resource type: Product Part number: 1756-PB72 Manufacturer drawing identity: 1756 PB72 Source-model envelope: 110.6 × 140 × 145 mm 2D preview basis: The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. Listed file formats: DXF, STEP Listed files: 2 Available previews: 2 drawing previews; 1 interactive model variants Recorded revisions: Confirm the revision with the manufacturer Source checked: 2026-11-11 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/mfr-allen-bradley-1756-pb72-9fa4efd199 Manufacturer: Allen-Bradley Entry type: Product Part number: 1756-PB72 Category: Automation & controls Formats: DXF, STEP Market discovery: Global Access: Direct download Official source: https://www.nhpnz.co.nz/Resources/Downloads Manufacturer evidence: https://www.nhpnz.co.nz/Resources/Downloads Source checked: 2026-11-11 Inspected originals are available from this website through the existing download email prompt. Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately. Use the manufacturer configuration named 1756 PB72. ## In plain English ### What the equipment does An enclosure houses equipment and its connections. Its construction provides the environmental and access protection specified for that enclosure. ### A simple example Use Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf. ### What the drawings help you do Use Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf. Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Open 1756-PB72.stp inside it to place the original solid geometry in your 3D assembly. ### Before using this reference - Match Allen-Bradley 1756-PB72 and the exact source filename shown above. - The supplied model has approximate X × Y × Z bounds of 110.6 × 140 × 145 mm. These are source-model axes; mounting holes and installation clearances must come from the matching manufacturer sheet. - The orthographic views are projected from the manufacturer 3D geometry. They are labelled separately from original dimensioned sheets and do not add manufacturer dimensions. - The source was checked on 2026-11-11. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for 1756 PB72? 2 inspected originals for Allen-Bradley 1756 PB72: Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf (DXF); Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip (ZIP). ### Where did these Allen-Bradley files come from? NHP Electrical Engineering Products supplied the original files through https://www.nhpnz.co.nz/Resources/Downloads. The source reference, revision, original bytes and checksum are retained with each download. ### Terms - CAD: Computer-aided design files used to prepare drawings and models. - Revision: The recorded version of a drawing or model. Concept diagram: Identify 1756-PB72 → Choose DXF or ZIP → Check the matching source configuration A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure. - [Allen-Bradley official source](https://www.nhpnz.co.nz/Resources/Downloads) ## Which file should I choose? Use Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf to insert the supplied editable drawing into your layout. The ZIP contains the unmodified Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf. Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Open 1756-PB72.stp inside it to place the original solid geometry in your 3D assembly. ## Official files - Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf (DXF): https://www.nhpnz.co.nz/public/assets/pim/Original/10055/Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf Site download: https://eloragrid.ai/tools/cad-library/download/mfr-allen-bradley-1756-pb72-9fa4efd199/nhp-198667 Hosting basis: no-explicit-prohibition; publisher attribution: NHP Electrical Engineering Products; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://www.nhpnz.co.nz/public/assets/pim/Original/10055/Allen-Bradley-1756-PB72-DXF-2D-CAD-Block.dxf Purpose: Original manufacturer DXF geometry; acquired: true; redistribution: unknown; SHA-256: b1fa12ba55f226b555405fbfac7e8a2e3f8672779b9d2862529f474a130ddcd2; revision: not recorded - Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip (ZIP): https://www.nhpnz.co.nz/public/assets/pim/Original/10055/Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip Site download: https://eloragrid.ai/tools/cad-library/download/mfr-allen-bradley-1756-pb72-9fa4efd199/nhp-198671 Hosting basis: no-explicit-prohibition; publisher attribution: NHP Electrical Engineering Products; reviewed: 2026-11-11 Rights review: Public manufacturer/supplier CAD original inspected with its included notices; no explicit applicable reproduction prohibition identified. Rights remain unknown.; evidence: https://www.nhpnz.co.nz/public/assets/pim/Original/10055/Allen-Bradley-1756-PB72-STP-3D-CAD-Block.zip Purpose: Original manufacturer CAD archive; acquired: true; redistribution: unknown; SHA-256: 1f06ba5da6712405654e0ac2e3a505cab62aa048daea4801e030d6302db8b5f8; revision: not recorded - 1756-PB72.stp Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.