High Bay vs Low Bay Comparison
Mounting height and beam selection compared.
The high-bay / low-bay decision follows the ceiling, not the catalogue: fixtures are selected by mounting height and by the beam angle needed to reach the working plane with acceptable uniformity.
| Comparison | Option A | Option B | Winner |
|---|---|---|---|
| Mounting height | 5-15 m | 2.4-5 m | Application-dependent |
| Beam angle | 60-120° | 90-120° | Application-dependent |
| Typical wattage | 100-500W | 40-150W | Application-dependent |
| Best for | Warehouse, factory | Retail, workshop | Application-dependent |
Conclusion
Above roughly 5 m of mounting height, specify high bay with a 60-90° beam and 100-500 W. Between 2.4 m and 5 m, low bay with a wider beam and 40-150 W keeps the floor uniform without glare at eye level.
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Post a sourcing brief → Compare more products📋 Authoritative Standards Reference
IEC 60529 · CIE 13.3 · ANSI C78.377 · IES LM-79 / LM-80 · UL 1598 / UL 8750 — data verified by the CompareDeals team.