DL/T 823-2002 General Specification for Microprocessor-based Inverse Time Overcurrent Protection Equipment

SD 280-1988

DL/T 823-2017 Technical specification for anti-time-delay current protection function, DL/T 823-2017

DL/T 478-2001 Static General Technical Requirements for Relay Protection and Safety Automatic Devices DL/T 667 GB 16836-1997 General requirements of safety design for measuring relays and protection equipment GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 11287-2000 Electrical relays—Part 21:Vibration,shock,bump and seismic tests on measuring relays and protection equipment—Section one:Vibration tests(sinusoidal) GB/T 1360-1998 Grid systems for printed circuits GB/T 14598.10-1996 Electrical relays—Part 22:Electrical disturbance tests for measuring relays and protection equipment—Section 4:Fast transient disturbance test GB/T 14598.13-1998 Electrical disturbance tests for measuring relays and protection equipment Part 1:1MHz burst disturbance tests GB/T 14598.14-1998 Electrical disturbance tests for measuring relays and protection equipment Part 2:Electrostatic discharge tests GB/T 14598.9-1995 GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2887-2000 Specification for electronic computer field GB/T 2887-2011 General specification for computer field GB/T 7261-2000 Basic testing method for relay and equipment GB/T 7423.9 GB/T 9361-2011 Safety requirements for computer field GB/T 191-2025 Graphical symbols marking for handling and storage of packages

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