GB/T 26759-2011 The technical specification for energy-saving control device for water system of central air-conditioning

GB 7251.1-2005 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm GB/T 3797-2005 Electrical control assemblies GB/T 3797-2016 Electrical control assemblies GB/T 4205-2003 Man-machine interface(MMI)—Actuating principles GB/T 4205-2010 Basic and safety principles for man-machine interface(MMI),marking and identification—Actuating principles GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/Z 17625.6-2003 Electromagnetic compatibility—Limits—Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16A JB/T 3085-1999 Product Packaging and Transportation Procedures for Power Transmission and Control Devices JGJ 176-2009 Technical code for the retrofitting of public building on energy efficiency GB/T 191-2025 Graphical symbols marking for handling and storage of packages