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GB/T 37751.33-2019Residual current operated circuit-breakers for household and similar use -- Part 3-3: Specific requirements for RCDs with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with (English PDF)

家用和类似用途的剩余电流动作断路器第3-3部分：具有连接外部未经处理铝导线的螺纹型接线端子和连接铜或铝导线的铝制螺纹型接线端子RCD的特殊要求

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

June 4, 2019

Implementation date

January 1, 2020

Scope

GB/T 37751.33-2019 is the English-translated version of 家用和类似用途的剩余电流动作断路器第3-3部分：具有连接外部未经处理铝导线的螺纹型接线端子和连接铜或铝导线的铝制螺纹型接线端子RCD的特殊要求.

GB/T 37751.33-2019 is the Chinese standard "Residual current operated circuit-breakers for household and similar use -- Part 3-3: Specific requirements for RCDs with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with".

Its scope clause reads: This part of GB/T 37751 applies to threaded terminals with untreated aluminum conductors or aluminium with copper or aluminium conductors.

The RCD of the threaded terminal block.

Threaded terminal blocks for connecting untreated aluminum conductors are made of copper or contain at least 58% Made of copper (cold worked) or copper alloy containing at least 50% copper (other processed), or with corrosion resistance not lower than copper and with suitable machine Mechanical properties of other metals or coated metals.

This part cannot be used alone and must be used in conjunction with the RCD product standard (IEC 61008-1 or IEC 61009-1) for external connection. Threaded terminal block for untreated aluminum wire and aluminum threaded terminal block for connecting copper or aluminum wire.

In this section, copper-plated, nickel-plated aluminum conductors are considered aluminum conductors. Its clauses include terms and definitions.

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Document preview — GB/T 37751.33-2019

National Standard of the People's Republic of China

ICS: 29.120.50
Classification: K 31

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Category
5 RCD features
6 logo and other product information
7 Standard conditions for use and installation
8 Structure and operation requirements
9 Test

1 Scope

This part of GB/T 37751 applies to threaded terminals with untreated aluminum conductors or aluminium with copper or aluminium conductors.

The RCD of the threaded terminal block. Threaded terminal blocks for connecting untreated aluminum conductors are made of copper or contain at least 58%

Made of copper (cold worked) or copper alloy containing at least 50% copper (other processed), or with corrosion resistance not lower than copper and with suitable machine

Mechanical properties of other metals or coated metals.

This part cannot be used alone and must be used in conjunction with the RCD product standard (IEC 61008-1 or IEC 61009-1) for external connection.

Threaded terminal block for untreated aluminum wire and aluminum threaded terminal block for connecting copper or aluminum wire.

In this section, copper-plated, nickel-plated aluminum conductors are considered aluminum conductors.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

IEC 61008-1 Residual current operated circuit-breakers (RCCB) without overcurrent protection for household and similar purposes - Part 1. 1

General rule [Residualcurrentoperatedcircuit-breakers without integralovercurrentprotectionfor

Householdandsimilaruses(RCCBs)-Part 1.Generalrules]

IEC 61009-1 Residual current operated circuit breakers (RCBO) with overcurrent protection for household and similar purposes - Part 1. General

Rule [Residualcurrentoperatedcircuit-breakerswithintegralovercurrentprotectionforhouseholdand

Similaruses(RCBOs)-Part 1.Generalrules]

Residual current operated circuit breakers for household and similar purposes - Part 2. Residual current electrical appliances (RCD) vocabulary [Re-

Sidualcurrentoperatedcircuit-breakersforhouseholdandsimilaruses-Part 2.Residualcurrentde-

Vices(RCDs)-Vocabulary]

3 Terms and definitions

The following terms and definitions as defined by IEC 62873-2 apply to this document.

3.1 Treated wire

The contact portion of the wire, the oxide layer on the outer layer of the strand is erased, and/or the compound is added to improve the bonding ability and/or corrosion resistance.

ability.

3.2 Untreated wire

A wire that has been cut and stripped of the insulating layer in order to insert the terminal. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61008 · IEC 61009

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