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GB - Chinese national standards
Page 1347
GB/T 20840.11-2025 (28/02/2025)
Instrument transformers—Part 11Additional requirements for low-power passive voltage transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 824.10 EUR more info
GB/T 20840.13-2026 (28/09/2026)
Instrument transformers—Part 13: Stand-alone merging unit (SAMU)
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
GB/T 20840.14-2022 (12/10/2022)
Instrument transformers—Part 14:Additional requirements for current transformers for DC applications
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 911.00 EUR more info
GB/T 20840.15-2022 (12/10/2022)
Instrument transformers—Part15:Additional requirements for voltage transformers for DC applications
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 759.00 EUR more info
GB/T 20840.2-2014 (03/09/2014)
Instrument transformers—Part 2:Additional requirements for current transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
GB/T 20840.3-2013 (17/12/2013)
Instrument transformers—Part 3: Additional requirements for inductive voltage transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
GB/T 20840.4-2015 (15/05/2015)
Instrument transformers—Part 4:Additional requirements for combined transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 509.30 EUR more info
GB/T 20840.5-2013 (07/02/2013)
Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 269.30 EUR more info
GB/T 20840.6-2017 (01/11/2017)
Instrument transformers—Part 6:Additional general requirements for low-power instrument transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 475.60 EUR more info
GB/T 20840.7-2007 (16/01/2007)
Instrument transformers - Part 7: Electronic voltage transformers
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 475.60 EUR more info
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