GB 37478-2025: Minimum allowable values of energy efficiency and energy efficiency grades of LED luminaires for road and tunnel lighting

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Scope

This document specifies the energy efficiency grades, minimum allowable value of energy
efficiency and test methods for LED luminaires for road and tunnel lighting.
This document applies to LED luminaires for road and tunnel lighting with a rated power supply
voltage not exceeding 1,000 V (including LED light sources and their control gear but excluding
interconnected control components that can be independently installed or other accessories with
non-lighting related functions).

Basic Data

Standard ID	GB 37478-2025 (GB37478-2025)
Description (Translated English)	Minimum allowable values of energy efficiency and energy efficiency grades of LED luminaires for road and tunnel lighting
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	6,617
Date of Issue	2025-05-30
Date of Implementation	2026-06-01
Older Standard (superseded by this standard)	GB 37478-2019
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration