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IS Number/आईएस संख्या : IS 9920 (Part 1):2002

IS Title/आईएस शीर्षक : High Voltage Switches - Part 1 : Switches for Rated Voltages Above 1 kV and Less Than 52 Kv (Withdrawn)

Superseded by IS/प्रतिस्थापित आईएस : None

Degree of Equivalence/समतुल्यता स्तर : Indigenous

Number of Revisions/पुनरीक्षणों की संख्या : New Standard

Number of Amendments/संशोधनों की संख्या : No amendment issued

Aspect/पक्ष : Product Specification

Language/भाषा : English

Reaffirmation Year/पुनर्पुष्टि वर्ष :

Technical Department/तकनीकी विभाग : ETD (Electrotechnical Department)

Technical Committee/तकनीकी समिति : ETD 08 (High Voltage Switchgear And Controlgear Sectional Committee)

Member Secretary/सदस्य सचिव : SINGARAJU VENKATESH (SCIENTIST-D)

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Indian Standards Referred In IS IS 9920 (Part 1):2002
:

1	IS 1885 (Part 17):2024 IEC 60050-441: 1984	Electrotechnical vocabulary: Part 17 switchgear and control gear (First Revision)	ETD 01
2	IS 13118:1991	High-Voltage Alternating-Current Circuit-Breakers	ETD 08
3	IS 11955:1987	Preferred current ratings	ETD 01
4	IS 2165 (Part 1):1977	Insulation co - Ordination: Part 1 phase to earth insulation co - Ordination, principles and rules (Second Revision)	ETD 19
5	IS 2165 (Part 2):1983	Insulation coordination: Part 2 Phase to phase insulation coordination principles and rules	ETD 19
6	IS 9921 (Part 1):1981	Alternating Current Disconnectors (Isolators) and Earthing Switches for Voltages Above 1 000 V - Part I : General and Definitions	ETD 08
7	IS 9921 (Part 2):1982	Alternating current disconnectors (isolators) and earthing switches for voltages above 1000 V: Part 2 Rating	ETD 08
8	IS 9921 (Part 3):1982	Alternating Current Disconnectors (Isolators) and Earthing Switches for Voltages Above 1000 V - Part III : Design and Construction	ETD 08
9	IS 9921 (Part 4):1985	Alternating Current Disconnectors (isolators) and Earthing Switches for Voltages Above 1000 V - Part 4 : Type Tests and Routine Tests	ETD 08

International Standards Referred In IS 9920 (Part 1):2002

Standard contains no Cross Referenced International Standard.

IS 9920 (Part 1):2002
is Referred in following Indian Standards :

Standard contains no Cross Referenced Indian Standard.

Certification	:
Group	:	Electrical Switchgear and Other Electrical Products/Accessories
Sub Group	:	Switchgear, Metering and Accessories
Sub Sub Group	:	Circuit breakers, switches and disconnectors
Aspect	:	Product Specification

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