Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JB/T 7101-1993 Metal Coating and Chemical Treatment of Relays and Their Accessories. Classification Codes and Marking 90.0 via email in 1~3 business day valid
JB/T 3779-2002 High speed auxiliary relay 165.0 via email in 1~3 business day valid
GB/T 14598.301-2010 General specification of transformer fault oscillograph equipment for microprocessor-based generator 510.0 via email in 1~3 business day valid
JB/T 6513-2002 Furnace safeguard supervision system 150.0 via email in 1~3 business day valid
GB/T 19262-2003 Microcomputer transformer protection equipment requirements 650.0 via email in 1~3 business day abolished
GB/T 30149-2013 Grid Common Model Description Specification 210.0 via email in 1~3 business day valid
GB 14598.27-2008 Measuring relays and protection eauipment - Part 27: Product safety requirements 1870.0 via email in 1~5 business day superseded
JB/T 9566-1999 Technical Specification for Zero Sequence Current Direction Protection Equipment 120.0 via email in 1~3 business day valid
DL/T 587-2007 Code for operating management of microprocessor-based relaying protection equipment 210.0 via email in 1~3 business day superseded
GB/T 14598.2-2011 Measuring relays and protection equipment—Part 1:Common requirements 580.0 via email in 1~8 business day valid
GB/T 14598.13-1998 Electrical disturbance tests for measuring relays and protection equipment Part 1: 1 MHz burst disturbance tests 180.0 via email in 1~3 business day abolished
JB/T 9563-1999 Overexciting Protection Equipment 105.0 via email in 1~3 business day valid
SD 279-1988 Technical Specifications for Static Impedance Relay 90.0 via email in 1~3 business day valid
JB/T 10613-2006 General specification for digital motor combined protection equipment 300.0 via email in 1~3 business day valid
SD 285-1988 Technical Specifications for Static Time Relay 120.0 via email in 1~3 business day valid
GB/T 19826-2014 General Specification and Safety Requirements for DC Power Supply Equipment of Power Projects 260.0 via email in 1 business day valid
JB/T 3310-1996 Technical Conditions for Directional Power Relay 120.0 via email in 1~3 business day valid
GB/T 14598.121-2017 Measuring relays and protection equipment--Part 121: Functional requirements for distance protection 1990.0 via email in 1~10 business day valid
GB/T 7261-2016 Basic testing method for relaying protection and security automatic equipment 580.0 via email in 1 business day valid
JB/T 10699.1-2007 General Technical Specifications for Integrated Protection Unit of 380V~1.2kV Digital Electromotors via email in business day valid
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