# 440PM18001 Limit Switch Allen-Bradley 440PM18001 Limit Switch: original DWG / STEP for control-panel equipment layouts. ## Equipment and file summary Equipment / resource: 440PM18001 Limit Switch Manufacturer: Allen-Bradley Resource type: Product Part number: 440PM18001 Manufacturer drawing identity: 440PM18001 Limit Switch Source-model envelope: 32.3 × 111.9 × 44.2 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: DWG, 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-440pm18001-limit-switch-46abe4223b Manufacturer: Allen-Bradley Entry type: Product Part number: 440PM18001 Category: Automation & controls Formats: DWG, 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 440PM18001 Limit Switch. ## In plain English ### What the equipment does A limit switch changes its contacts when a moving part presses its operating mechanism. It reports that the part has reached a particular position. ### A simple example Use 440P-M18001-Limit-Switch-2D-CAD-Block.dwg to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 440P-M18001-Limit-Switch-2D-CAD-Block.dwg. ### What the drawings help you do Use 440P-M18001-Limit-Switch-2D-CAD-Block.dwg to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 440P-M18001-Limit-Switch-2D-CAD-Block.dwg. 440PM18001-Limit-Switch-STEP-3D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Open 440p-c_sl_half_inch.stp inside it to place the original solid geometry in your 3D assembly. ### Before using this reference - Match Allen-Bradley 440PM18001 and the exact source filename shown above. - The supplied model has approximate X × Y × Z bounds of 32.3 × 111.9 × 44.2 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 440PM18001 Limit Switch? 2 inspected originals for Allen-Bradley 440PM18001 Limit Switch: 440P-M18001-Limit-Switch-2D-CAD-Block.dwg (DWG); 440PM18001-Limit-Switch-STEP-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 440PM18001 → Choose DWG 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 440P-M18001-Limit-Switch-2D-CAD-Block.dwg to insert the supplied editable drawing into your layout. The ZIP contains the unmodified 440P-M18001-Limit-Switch-2D-CAD-Block.dwg. 440PM18001-Limit-Switch-STEP-3D-CAD-Block.zip is the original NHP Electrical Engineering Products archive. Open 440p-c_sl_half_inch.stp inside it to place the original solid geometry in your 3D assembly. ## Official files - 440P-M18001-Limit-Switch-2D-CAD-Block.dwg (DWG): https://www.nhpnz.co.nz/public/assets/pim/Original/10050/440P-M18001-Limit-Switch-2D-CAD-Block.dwg Site download: https://eloragrid.ai/tools/cad-library/download/mfr-allen-bradley-440pm18001-limit-switch-46abe4223b/nhp-189137 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/10050/440P-M18001-Limit-Switch-2D-CAD-Block.dwg Purpose: Original manufacturer DWG geometry; acquired: true; redistribution: unknown; SHA-256: 0e3d7b30959289f280ea6a8f12b941002eb562e315d63613ef40e6bece391d43; revision: not recorded - 440PM18001-Limit-Switch-STEP-3D-CAD-Block.zip (ZIP): https://www.nhpnz.co.nz/public/assets/pim/Original/10049/440PM18001-Limit-Switch-STEP-3D-CAD-Block.zip Site download: https://eloragrid.ai/tools/cad-library/download/mfr-allen-bradley-440pm18001-limit-switch-46abe4223b/nhp-189054 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/10049/440PM18001-Limit-Switch-STEP-3D-CAD-Block.zip Purpose: Original manufacturer CAD archive; acquired: true; redistribution: unknown; SHA-256: 1b5a26af34e1eca713695e7b6a5580e4cb56e899b808228260079f59cefc4ba5; revision: not recorded - 440p-c_sl_half_inch.stp Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.