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21/30438133 DC
BS EN IEC 61869-1. Instrument transformers. Part 1. General requirements
Edition
2021-05-07
21/30439415 DC
BS EN IEC 61869-8. Instrument transformers. Part 8. Specific requirements for electronic Current Transformers
Edition
2021-06-04
21/30440473 DC
BS IEC 63253-5713-8. Station Service Voltage Transformers (SSVT)
Edition
2021-07-06
21/30450140 DC
BS EN IEC 60076-5. Power transformers. Part 5. Ability to withstand short circuit
Edition
2021-12-17
22/30407019 DC
BS EN 61203. Synthetic organic esters for electrical purposes. Guide for maintenance of transformer esters in equipment
Edition
2022-05-26
22/30432560 DC
BS EN 62271-211. High-voltage switchgear and controlgear. Part 211. Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
Edition
2022-02-01
22/30441875 DC
BS EN 62770. Fluids for electrotechnical applications. Unused natural esters for transformers and similar electrical equipment
Edition
2022-05-26
22/30443258 DC
BS EN 61558-2-20. Safety of transformers, reactors, power supply units and combinations thereof. Part 2-20. Particular requirements and tests for small reactors
Edition
2022-02-01
22/30458403 DC
BS EN 61558-2-10. Safety of transformers, reactors, power supply units and combinations thereof. Part 2-10. Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1000 V
Edition
2022-12-19
22/30458407 DC
BS EN 61558-2-12. Safety of transformers, reactors, power supply units and combination thereof. Part 2-12. Particular requirements and tests for constant voltage transformers and power supply units for constant voltage
Edition
2022-12-19