JB/T 8749.3-2025Voltage regulator - Part 3: Contact voltage regulator (English PDF)
调压器 第3部分：接触调压器
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 1, 2025
Implementation date
January 1, 2025
Scope
JB/T 8749.3-2025 is the English-translated version of 调压器 第3部分：接触调压器.
JB/T 8749.3-2025 is the Chinese standard "Voltage regulator - Part 3: Contact voltage regulator".
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Document preview — JB/T 8749.3-2025
1 Foreword
JB/T 8749.3-2025 is issued by Ministry of Industry and Information Technology of the People's Republic of China.
It replaces the earlier edition JB/T 8749.3-2013.
It is one of 13 parts of the JB/T 8749 series.
2 About this standard
Sector: Machinery
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages (approximate)
3 Related standards
Other parts of this standard:
JB/T 8749-1998 — Voltage regulators - General technical requirements
JB/T 8749.1-2007 — Voltage regulators - Part 1: General requirements and tests
JB/T 8749.1-2022 — Voltage regulators - Part 1: General requirements and tests
JB/T 8749.2-2013 — Voltage Regulators - Part 2: Induction Voltage Regulators
JB/T 8749.2-2025 — Voltage regulator - Part 2: Inductive voltage regulator
JB/T 8749.4-2013 — Voltage Regulators - Part 4: Column Type Voltage Regulators
JB/T 8749.4-2025 — Voltage regulator - Part 4: Column voltage regulator
JB/T 8749.5-2013 — Voltage Regulators - Part 5: Magnetic Control Voltage Regulators
JB/T 8749.5-2025 — Voltage regulator - Part 5: Magnetic Voltage Regulator
JB/T 8749.6-2014 — Voltage regulators - Part 6: Induction voltage stabilizers
JB/T 8749.7-2014 — Voltage Regulators - Part 7: Contact Voltage Stabilizer
JB/T 8749.8-2014 — Voltage Regulators - Part 8: Column Type Voltage Stabilizer
Other editions:
JB/T 8749.3-2013 (earlier edition)
4 Classification and status
Chinese Standard Classification (CCS): K 41
Prefix JB/T: recommended standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
JB/T 8749.4-2025 — Voltage regulator - Part 4: Column voltage regulator
JB/T 8749.2-2013 — Voltage Regulators - Part 2: Induction Voltage Regulators
JB/T 8749.4-2013 — Voltage Regulators - Part 4: Column Type Voltage Regulators
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JB/T 8749.3-2025
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