This standard specifies the terms and definitions, technical requirements, testing, inspection rules, marking, packaging, transportation and storage of digital protection measurement and control devices. This standard applies to digital protection measurement and control devices (hereinafter referred to as "devices") for electrical equipment such as 3kV to 66kV voltage level lines, capacitors, transformers, reactors, motors, etc., and serves as the basis for the design, manufacture, testing and use of these devices. For devices used in other situations, this standard can be used as a reference.
DL/T 1075-2007 Referenced Document
GB 4208 Degrees of protection provided by enclosure(IP code)*, 2008-03-25 Update
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)