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GB/T 28534-2012 The health and environmental impact on release of sulphur hexafluoride(SF6)used in high-voltage switchgear and controlgear 750.0 via email in 1~3 business day valid
GB/T 13540-2009 Seismic qualification for high-voltage switchgear and controlgear 330.0 via email in 1~3 business day valid
GB 28525-2012 Compact switchgear assemblies for rated voltages of 72.5 kV and above 330.0 via email in 1~3 business day valid
GB 1985-2004 High-voltage Alternating-current Disconnectors and Earthing Switche 360.0 via email in 1 business day superseded
GB/T 28811-2012 High-voltage switchgear and controlgear - Digital interfaces based on IEC 61850 580.0 via email in 1~3 business day valid
GB 1984-2003 High-voltage alternating-current circuit-breakers 1800.0 via email in 1 business day abolished
GB 1984-2014 High-voltage alternating-current circuit-breakers 490.0 via email in 1 business day valid
GB/T 14808-2001 High-voltage alternating current contactors and contactor-based motor-starters 750.0 via email in 1~3 business day superseded
GB/T 4473-2008 Synthetic testing of High-voltage alternating current circuit-breakers 1200.0 via email in 1~3 business day valid
GB/T 25309-2010 High-voltage direct current transfer switches 450.0 via email in 1~3 business day valid
GB/T 25091-2010 High-voltage direct-current disconnectors and earthing switches 300.0 via email in 1~3 business day valid
JB/T 9694-2008 High-voltage alternating-current SF6 circuit-breakers 300.0 via email in 1~3 business day valid
GB/T 22382-2017 Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above 315.0 via email in 1~5 business day to be valid
DL/T 617-2010 Specification for Gas-insulated metal-enclosed switchgear 930.0 via email in 1~10 business day valid
GB/T 28537-2012 Use and handling of sulphur hexafluoride (SF6) in high-voltage switchgear and controlgear 330.0 via email in 1~3 business day valid
JB/T 8738-2008 Vacuum interruptors used in high-voltage alternating-current switchgear 240.0 via email in 1~3 business day valid
GB/T 14810-2014 Alternating Current Switches for Rated Voltages of 72.5 kV and Above 630.0 via email in 1~8 business day valid
GB/T 30846-2014 High-voltage alternating current circuit-breakers with intentionally non-simultaneous pole operation 690.0 via email in 1~8 business day valid
JB/T 10893-2008 SF6 environment monitoring system for high voltage combined electrical appliance 150.0 via email in 1~3 business day valid
GB 1985-2014 High-voltage alternating-current disconnectors and earthing switches 600.0 via email in 1 business day superseded
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