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When you're looking for the enclosure itself—the metal or poly box housing your breakers, RCDs, RCBOs and busbars—you’ll refer to Hager electrical enclosures and Hager modular distribution panels. According to Hager’s catalogue, their consumer units and distribution systems conform to standards like EN 61439‑3.
From installation practice: check of enclosure size (module ways, depth, width), knock‑outs for entries, mounting (flush/in‑wall vs surface), busbar capacity, airflow/clearance for future modules. Using Hager enclosures means your breakers, spare channels and accessories fit as intended.
For standard distribution in buildings, especially residential or landlord installations, you’ll select Hager consumer units. These are distribution boards pre‑assembled or partially populated for safety and ease. In commentary, one wholesaler says “we always recommend the Hager consumer units first” due to availability, standard compliance and quality
In procurement terms: you’ll evaluate number of ways (4,6,8,12 etc), main incomer rating (100 A, 125 A), SPD (surge protection device) inclusion, busbar size, enclosure depth. Hager consumer units simplify your build and give predictable board dimensions and spare ratios.
Depending on wall finish and installation type you’ll need Hager flush‑mounted boards (installed behind finished wall surface) or Hager surface‑mounted boards (mounted on wall surface, easier retrofit). One vendor lists Hager boards “starting from 4 way to 12 way ‑ Flush / Surface” in their offering. 
From site experience: you’ll verify whether board depth fits into the finished wall, that doors open without obstruction, and that the type (flush or surface) suits your enviro (corridor, meter‑room, plant area). Having both options in Hager’s range gives you flexibility and consistent spare‑parts.
For installations where high capacity, multiple rows of DIN‑rail modules, filter units or building‑automation modules are required, you’ll look at Hager DIN‑rail cabinets (larger distribution boards intended for industrial or large residential settings). One example listing shows Hager “100 A to 250 A TPN distribution boards, vector enclosures and more.”
From an engineer’s viewpoint: check number of rows, rail spacing, depth of enclosure (for cables, terminations), busbar ratings, door/sealing for plant‑room use, compatibility with panel wiring. Choosing Hager DIN‑rail cabinets ensures that panel‑builders can load modules, accessories, and provide expansion room.
When you’re buying Hager distribution boards in volume for a building project, panel‑builder batch or retrofit programme, procurement teams commonly compare:
From field experience: A panel‑build was delayed because the board depth was insufficient to accommodate the cable entry and spare modules. Specifying the correct board type (and brand) from the beginning avoided that.