ObsoleteGo to latest versionSJ 1521-1979

SJ 1521-1965KN3 type toggle switch (English PDF)

SJ 1521 | Evolution and historical versions

Std ID	Title	Status
SJ 1521-1979	General specification for toggle lever switches	Valid
SJ 1521-1965	KN3 type toggle switch	Obsolete

SJ 1521-1965 is obsolete. It has been replaced by SJ 1521-1979. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Mandatory

Scope

SJ 1521-1965 (KN3 type toggle switch) is available as an English-translated PDF.

SJ 1521-1965 is the Chinese industry standard "KN3 type toggle switch". It is obsolete: it has been replaced by SJ 1521-1979.

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Document preview — SJ 1521-1965

Document data

1 Document data

Sector: Electronics (industry standard).

Status: obsolete, replaced by SJ 1521-1979.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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