This standard specifies the terms and definitions, product models, technical requirements, test items and test methods, marking, packaging, transportation, storage and factory documents of multi-functional protective devices for transformers. This standard applies to multi-functional protection devices (hereinafter referred to as protection devices) installed on oil-immersed power transformers with voltage levels of 35 kV and below and rated capacities of 315 kVA to 10 000 kVA.
GB 4208 Degrees of protection provided by enclosure(IP code)
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 2423.24 Environmental testing—Part 2: Test methods—Test S: Simulated solar radiation at ground level and guidance for solar radiation testing and weathering*, 2022-07-11 Update
GB/T 2900.95 Electrotechnical Terms Transformer, Voltage Regulator and Reactor*, 2016-04-01 Update
JB/T 3837 Method for compiling standard models of transformer products*, 2016-10-22 Update
JB/T 10428-2015 history
2015JB/T 10428-2015 Poly-function protectors for transformers
2004JB/T 10428-2004 Poly-function protectors for transformers