Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JB/T 9568-2000 General specification for relay protection and automation equipment of power system 330.0 via email in 1~3 business day valid
GB/T 18038-2008 General specification of microprocessor-based protection equipment for electrified railway traction power supply system 360.0 via email in 1~5 business day valid
JB/T 6513-2002 Furnace safeguard supervision system 150.0 via email in 1~3 business day valid
DL/T 823-2002 General specification for microprocessor-based inverse time overcurrent protection equipment 150.0 via email in 1~3 business day valid
DL/T 670-2010 General Specification for Busbar Protection Equipment 330.0 via email in 1~3 business day valid
DL/T 871-2004 The dynamic test of power system protective products 300.0 via email in 1~3 business day valid
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
DL/T 524-2002 Specification for power line carrier transceiver dedicated to protection 210.0 via email in 1~3 business day valid
SD 281-1988 90.0 via email in 1~3 business day valid
DL/T 584-2007 Code for setting of 3kV~110kV relaying protection equipment 540.0 via email in 1~3 business day valid
JB/T 8664-1997 High-Tension Transmission Line Protective Screen (Cabinet) 90.0 via email in 1~3 business day valid
GB/T 14598.9-2010 Measuring relays and protection equipment—Part 22-3:Electrical disturbance tests—Radiated electromagnetic field immunity 170.0 via email in 1~3 business day abolished
JB/T 3322-2002 Signal relay 210.0 via email in 1~3 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
GB/T 14598.151-2012 Measuring relays and protection equipment—Part 151:Functional requirements for over/under current protection 400.0 via email in 1~5 business day valid
JB/T 3779-2002 High speed auxiliary relay 165.0 via email in 1~3 business day valid
GB 11920-1989 General specification of central control equipments for electrical parts in power stations and substations 165.0 via email in 1~3 business day abolished
JB/T 3950-1999 Automatic accurate synchronizers 165.0 via email in 1~3 business day valid
GB/T 14598.14-2010 Measuring relays and protection equipment—Part 22-2:Electrical disturbance tests—Electrostatic discharge tests 170.0 via email in 1~3 business day abolished
GB 14598.27-2008 Measuring relays and protection eauipment - Part 27: Product safety requirements 1870.0 via email in 1~5 business day to be abolished
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