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GB - Chinese national standards
Page 5353
GB/T 7251.5-2025 (02/12/2025)
Low-voltage switchgear and controlgear assemblies—Part 5Assemblies for power distribution in public networks
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 818.70 EUR more info
GB/T 7251.6-2015 (15/05/2015)
Low-voltage switchgear and controlgear assemblies—Part 6: Busbar trunking systems(busways)
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 157.40 EUR more info
GB/T 7251.7-2025 (01/08/2025)
Low-voltage switchgear and controlgear assemblies—Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 818.70 EUR more info
GB/T 7251.8-2020 (19/11/2020)
Low-voltage switchgear and controlgear assemblies—Part 8:General technical requirements for intelligent assembly
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 650.40 EUR more info
GB/T 7253-2019 (10/12/2019)
Insulators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—Characteristics of insulator units of the cap and pin type
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 302.90 EUR more info
GB/T 7254-1995 (06/04/1995)
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 726.40 EUR more info
GB/T 7255-1998 (16/03/1998)
Single sideband power-line carrier terminals
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 954.40 EUR more info
GB/T 7256.1-2022 (15/04/2022)
Lighting fixtures for civil airport—Part 1General requirements
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 976.20 EUR more info
GB/T 7256.2-2023 (28/12/2023)
Lighting fixtures for civil airport—Part 2: Sequence flashing light and runway threshold identification light
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 400.70 EUR more info
GB/T 7256.3-2023 (28/12/2023)
Lighting fixtures for civil airport—Part 3: Precision approach path indicator
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 400.70 EUR more info
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