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GB/T 18908.1-2002Specified time relays for industrial use -- Part 1: Requirements and tests (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China

Level / Type

National · Recommended

Issue date

December 4, 2002

Implementation date

May 1, 2003

Scope

GB/T 18908.1-2002 (Specified time relays for industrial use -- Part 1: Requirements and tests) is available as an English-translated PDF.

GB/T 18908.1-2002 — This standard applies to the time relay, as in IEC 60050 (446) set forth in the definition of industrial use (ie, control, automation, signaling and industrial equipment) delay relay.

Use this section of the " relay " includes all kinds of relays with a timer, but does not include measuring relays.

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Document preview — GB/T 18908.1-2002

National Standard of the People's Republic of China

ICS: 29.120.70
Classification: L 25

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China

What this standard covers1
Document data2

What this standard covers

This standard applies to the time relay, as in IEC 60050 (446) set forth in the definition of industrial use (ie, control, automation, signaling and industrial equipment) delay relay. Use this section of the " relay " includes all kinds of relays with a timer, but does not include measuring relays. According to the time relay applications (eg: electricity production, transmission and distribution, etc.), will adopt more standard.

Document data

International classification (ICS): 29.120.70.

Chinese classification (CCS): L25.

Estimated length of the Chinese original: 19,112 words.

Adopted international standard: IEC 61812-1-1996, IDT.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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