Square Box industrial enclosure manufacturing

Wall-Mount NEMA-Style Enclosures

Open wall-mount enclosure with gasketed door mounting plate and cable entry holes

Custom wall-mount boxes for controls, junctions, instrumentation, IoT devices and compact panel builds.

Standard product series built from your drawings

This series is a compact enclosure platform for control, junction, instrumentation and automation projects where standard catalog sizes do not match cutout, mounting or finish requirements.

Square Box standardizes the enclosure platform, model naming, material choices and RFQ checklist so U.S. buyers can start from a clear series and still customize dimensions, cutouts, mounting details, finish and assembly scope.

Standard sizes

Suggested model starting points

Use these model numbers as RFQ starting points. Final drawing approval controls the manufactured configuration.

Standard modelSeriesSizeMetric / referenceQuote notes
SB-WM4-1212-6SB-WM412 × 12 × 6 in305 × 305 × 152 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.
SB-WM4-1614-8SB-WM416 × 14 × 8 in406 × 356 × 203 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.
SB-WM4-2016-8SB-WM420 × 16 × 8 in508 × 406 × 203 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.
SB-WM4-2420-10SB-WM424 × 20 × 10 in610 × 508 × 254 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.
SB-WM4-3024-12SB-WM430 × 24 × 12 in762 × 610 × 305 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.
SB-WM4-3630-12SB-WM436 × 30 × 12 in914 × 762 × 305 mmFinal dimensions, cutouts, finish, hardware and assembly scope are confirmed from drawings.

Materials

Carbon steel, galvanized steel, 304 stainless, aluminum. Material grade, thickness, finish face and corrosion expectations should be confirmed before quote release.

Construction

  • Formed body and door
  • Continuous or two-point hinge options
  • Foam or EPDM gasket path
  • Back panel studs
  • Wall mounting tabs
  • Powder coated or stainless finish

Options

  • Window cutouts
  • Fan and filter openings
  • Louvers
  • Mounting plate
  • DIN rail
  • Locks, handles and grounding studs

Typical applications

  • PLC control boxes
  • Pump control panels
  • Machine junction boxes
  • Industrial IoT gateways
  • Instrumentation enclosures

Image gallery

Views buyers usually need before RFQ approval

RFQ checklist

  • 3D CAD and 2D PDF drawings
  • Selected standard model or target size
  • Material, thickness and finish target
  • Cutouts, gland plate, fan, louver, gasket, lock and hinge notes
  • Mounting plate, DIN rail, wire duct or BOM assembly scope
  • Quantity, prototype or batch intent
  • Inspection photo requirements
  • Shipping destination and delivery target

Compliance notes

Built for NEMA-style and IP-rated applications. Final rating depends on design, materials and testing requirements.

Square Box provides custom enclosure fabrication, component mounting and customer-BOM assembly support. Final electrical listing, field acceptance and project compliance depend on the complete design, selected components, testing and certification requirements.

No product certification, listing or country-of-origin claim should be assumed unless project-specific documentation exists.

Start a Wall-Mount NEMA-Style Enclosures RFQ

Send CAD, PDF, model target, quantity, material, finish, assembly scope and shipping destination for a 24-hour quote response.

Upload Drawing for 24h Quote