1Key Takeaways
This standard specifies the rated parameters, design and structure requirements of AC high-voltage disconnectors and earthing switches. This standard applies to indoor and outdoor AC high-voltage isolating switches and grounding switches (hereinafter referred to as the main switch and grounding switch) with a rated vol…
2Scope / Description
This standard specifies the rated parameters, design and structure requirements of AC high-voltage disconnectors and earthing switches. This standard applies to indoor and outdoor AC high-voltage isolating switches and grounding switches (hereinafter referred to as the main switch and grounding switch) with a rated voltage of 3-500kV and a frequency of 50Hz, as well as their operating mechanisms and auxiliary equipment. The special requirements for isolating switches and earthing switches used in electrical appliances such as open-type combined electrical appliances, closed-type combined electrical appliances, and metal-enclosed switchgears are specified by corresponding product standards.
6Frequently Asked Questions
What is GB 1985-1989?
GB 1985-1989 — Alternating current high-voltage disconnectors and earthing switches is an international standard developed by General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China. This standard specifies the rated parameters, design and structure requirements of AC high-voltage disconnectors and earthing switches. This standard applies to indoor and outdoor AC high-voltage isolating switches and grounding switches...
What does GB 1985-1989 cover?
This standard covers: This standard specifies the rated parameters, design and structure requirements of AC high-voltage disconnectors and earthing switches. This standard applies to indoor and outdoor AC high-voltage isolating switches and grounding switches (hereinafter referred to as the main switch and grounding...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of GB 1985-1989?
The current published version is GB 1985-1989, published on 1989-02-22. Always check for amendments or pending revisions.
How do I purchase GB 1985-1989?
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