# Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC Schneider Electric Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC: original STEP for protection or metering equipment layouts. ## Equipment and file summary Equipment / resource: Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC Manufacturer: Schneider Electric Resource type: Product Manufacturer drawing identity: Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC Source document: rm22tu23-3d; revision 1.0 Source-model envelope: 22.9 × 95.4 × 79.5 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: STEP Listed files: 1 Available previews: 1 drawing previews; 1 interactive model variants Recorded revisions: 1.0 Source checked: 2026-11-11 Download access: Email registration for site downloads; official source links are also available ## Related GA references - [Protection relay IED](https://eloragrid.ai/objects/ga-protection-relay-ied) - [Power quality meter](https://eloragrid.ai/objects/ga-power-quality-meter) Canonical page: https://eloragrid.ai/tools/cad-library/equipment/mfr-schneider-electric-modular-3-phase-undervoltage-control-relay-8-a-2-co-380-480-v-ac-52778f6d9a Manufacturer: Schneider Electric Entry type: Product Part number: Not specified — select exact configuration Category: Protection & metering Formats: STEP Market discovery: Global Access: Direct download Official source: https://www.se.com/us/en/download/document/rm22tu23-3d/ Manufacturer evidence: https://www.se.com/us/en/download/document/rm22tu23-3d/ 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 Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC. ## In plain English ### What the equipment does A relay uses an electrical input or measured condition to change its contacts or output. This lets one circuit pass a command or indication to another. ### A simple example Use rm22tu23-3d.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified rm22tu23-3d.stp. ### What the drawings help you do Use rm22tu23-3d.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified rm22tu23-3d.stp. ### Before using this reference - Match Schneider Electric Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC and the exact source filename shown above. - The supplied model has approximate X × Y × Z bounds of 22.9 × 95.4 × 79.5 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; recorded file revisions: rm22tu23-3d.stp — 1.0. Use Documentation & sources to check for a newer issue. ### Which original files are supplied for Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC? 1 inspected original for Schneider Electric Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC: rm22tu23-3d.stp (STEP). ### Where did these Schneider Electric files come from? Schneider Electric supplied the original files through https://www.se.com/us/en/download/document/rm22tu23-3d/. 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 Modular 3-phase undervoltage control relay, 8 A, 2 CO, 380…480 V AC → Choose STEP → Check the matching source configuration A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure. - [Schneider Electric official source](https://www.se.com/us/en/download/document/rm22tu23-3d/) ## Which file should I choose? Use rm22tu23-3d.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified rm22tu23-3d.stp. ## Official files - rm22tu23-3d.stp (STEP): https://download.se.com/files?p_Doc_Ref=rm22tu23-3d&p_enDocType=CAD Site download: https://eloragrid.ai/tools/cad-library/download/mfr-schneider-electric-modular-3-phase-undervoltage-control-relay-8-a-2-co-380-480-v-ac-52778f6d9a/se-b7f5d54200fa9ad72739 Hosting basis: no-explicit-prohibition; publisher attribution: Schneider Electric; 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://download.se.com/files?p_Doc_Ref=rm22tu23-3d&p_enDocType=CAD Purpose: Original manufacturer STEP geometry; acquired: true; redistribution: unknown; SHA-256: 9e0d06c42fe16f327a7009a455ea6a8ac4241379ce1044259606a812626e8ac0; revision: 1.0 Global discovery is not proof of regional certification. Confirm exact configuration, revision, dimensional units and use rights with the manufacturer.