MEAN WELL LRS-350-12 power supply (case 207A): 215 × 115 × 30 case and M4 mounting holes — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/meanwell-lrs-350-12/  (sheet CC BY 4.0)
Basis: MEAN WELL LRS-350 series specification, Mechanical Specification for case No. 207A.
Catalog version: 2026-10-20

Overall (mm): length 215.0, width 115.0, height 30.0
- Datum: case centre; terminal-block end at −x, bottom at 0. Case 215.0 × 115.0 × 30.0 (case 207A, shared by the LRS-350 series).
- Bottom: 4 × M4 threaded holes, 3 mm thread length, on a 150.0 × 50.0 pattern centred on the case (32.5 from each end and each long edge).
- Sides: 2 × M4 threaded holes in each long side, 5 mm thread length, 150.0 apart, 12.5 above the bottom. All M4 holes are modelled at the Ø3.3 tap-drill size.
- The 9-position screw terminal (AC/L, AC/N, FG, 3 × −V, 3 × +V) sits recessed in the top of the −x end; the fan sits under a flush grille in the top, centred 47.45 from the +x end and 36.7 from the +y edge; air enters through the top.
- Not modelled: terminal block, fan grille and vent slots (all inside or flush with the case), optional mounting brackets.
- Dimensions are exact nominal (true size), no tolerance added.

holes  face  positions from case centre (mm)  thread
4  bottom  x ±75.0, y ±25.0  M4, 3 mm deep
2  −y side  x ±75.0, 12.5 above bottom  M4, 5 mm deep
2  +y side  x ±75.0, 12.5 above bottom  M4, 5 mm deep

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- MEAN WELL: LRS-350 series specification — web — Publisher's page; dimensions are facts — https://www.meanwell.com/Upload/PDF/LRS-350/LRS-350-SPEC.PDF
- MEAN WELL: LRS-350 product datasheet — web — Publisher's page; dimensions are facts — https://www.meanwell.com/productPdf.aspx?i=459

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/meanwell-lrs-350-12/index.json
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