Transformer & Choke Enclosures — Sirus Enclosures
Heavy-Duty Industrial Enclosures

Transformer & Choke Enclosures

Robust welded or modular frame enclosures designed to house transformers, chokes, and reactors — with punched ventilation louvers, canopy tops, and options in CRCA MS, GI, or SS for indoor and outdoor use.

Welded / ModularCRCA / GI / SSVentilatedIndoor & OutdoorCustom Built
Key Features
  • Welded body construction with sides, top, and bottom enclosed in 1.5mm / 2mm folded CRCA sheet, or modular frame structure in 3mm CRCA.
  • Canopy mountable on top of the enclosure for added weather protection.
  • Side panels fitted with punched ventilation louvers for effective heat dissipation from transformer and choke windings.
  • Front single door up to 1000mm width; split door for widths above 1000mm.
  • Available in galvanised (GI) sheet or stainless steel for outdoor and corrosive environments.
  • Lifting eye bolts for safe handling; heavy-duty angle supports for larger enclosures.
  • Suitable for housing dry-type transformers, line reactors, harmonic filters, and choke coils.
  • Available with powder coating in RAL 7035 / RAL 7032 or custom colour shades.

Single door for widths up to 1000mm; split door for widths above 1000mm.

Standard Sizes
Width
Depth
Height
Base
300 – 2000mm (pitch 100mm)
300 – 1500mm (pitch 50mm)
300 – 2200mm (pitch 100mm)
50 – 300mm (pitch 50mm)
Width300 – 2000mm (pitch 100mm)
Depth300 – 1500mm (pitch 50mm)
Height300 – 2200mm (pitch 100mm)
Base50 – 300mm (pitch 50mm)
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