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GB/T 18501.8100-2025Connectors for electrical and electronic equipment - Product requirements - Part 8-100: Power connectors - Detail specification for 2-pole or 3-pole power plus 2-pole signal shielded and sealed connectors with plastic housing for rated current of 20 A (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 30, 2025

Implementation date

December 1, 2025

Scope

GB/T 18501.8100-2025 (Connectors for electrical and electronic equipment - Product requirements - Part 8-100: Power connectors - Detail specification for 2-pole or 3-pole power plus 2-pole signal shielded and sealed connectors with plastic housing for rated current of 20 A) is available as an English-translated PDF.

GB/T 18501.8100-2025 — This document specifies 2-core and 3-core 20A power plus 2-core signal plastic shell shielded sealed connectors for electronic and electrical equipment (hereinafter referred to as the overall dimensions, interface dimensions, technical parameters, performance requirements and test methods of electrical connectors (referred to as "electrical connectors").

This document is applicable to the field of electronic and electrical equipment, with a rated voltage not exceeding AC 750V or DC 1000V and a rated current of 20A. Electrical connections where sealing and shielding are required.

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Document preview — GB/T 18501.8100-2025

National Standard of the People's Republic of China

ICS: 31.220
Classification: L 23

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

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Technical Information
4.1 Termination method
4.1.1 General
4.1.2 Number of contacts and holes
4.2 Ratings and Characteristics
4.3 System Level
4.3.1 Performance Level
4.3.2 Compatibility Level
4.4 Climate Category
4.5 Clearance and creepage distance
4.6 Current carrying capacity
4.7 Identification
5 Size
5.1 General
5.2 Axonometric drawings and general features
5.2.1 Plug isometric view
5.2.2 Socket axonometric drawing
5.3 Coordination information
5.3.1 General
5.3.2 Direction perpendicular to the mating direction
5.3.3 Tilt
5.4 Socket
5.4.1 General
5.4.2 Size
5.4.3 Termination method
5.5 Plug
5.5.1 General
5.5.2 Size
5.5.3 Termination method
5.6 Annex
5.7 Installation Information
5.8 Standard gauges (size standard gauges and retention force standard gauges)
6 Technical characteristics
6.1 Climate category
6.2 Electrical Characteristics
6.2.1 Clearance and creepage distances
6.2.2 Withstand voltage
6.2.3 Contact resistance
6.2.4 Electrical continuity of enclosure
6.2.5 Insulation resistance
6.2.6 Temperature rise
6.2.7 Electrical load and temperature
6.3 Mechanical properties
6.3.1 Mechanical operation
6.3.2 Validity of electrical connector connection devices
6.3.3 Measuring the holding force (elastic contact)
6.3.4 Engagement and disengagement forces
6.3.5 Fixation of contacts in insulating mounting plates
6.3.6 Positioning method
6.4 Dynamic stress test
6.4.1 Vibration (sinusoidal)
6.4.2 Impact
6.4.3 Repeated free falls
6.4.4 Enclosure protection degree
6.4.5 Finished product glow wire flame retardancy test
6.5 Climate test
6.5.1 Steady-state damp heat
6.5.2 Rapid temperature changes
6.5.3 Salt spray corrosion
6.5.4 High temperature
6.5.5 Low temperature
6.5.6 Low pressure
6.6 Environmental factors
6.6.1 Identification of insulating materials (plastics)
6.6.2 Design and use of materials
7 Test
7.1 General
7.2 Test Overview
7.2.1 Basic (minimum) test list
7.2.2 Overview of comprehensive tests
7.3 Test procedures and measurement methods
7.4 Sample pretreatment before test
7.5 Wiring and installation of test samples
7.5.1 Wiring
7.5.2 Installation
Figure 1 Axonometric view of 2-core and 3-core plugs
Figure 2 Axonometric view of 2-core and 3-core sockets
Figure 3 2-core 20A socket
Figure 4 3-core 20A socket
Figure 5 Socket key position
Figure 6 2-core 20A plug
Figure 7 3-core 20A plug
Figure 8 Plug key position
Figure 9 Signal contact standard specification
Figure 10 Power contact standard specification
Table 1 Climate categories
Table 2 2-core 20A socket dimensions
Table 3 3-core 20A socket dimensions
Table 4 Socket key size
Table 5 2-core 20A plug size
Table 6 3-core 20A plug size
Table 7 Plug key size
Table 8 Standard gauge size
Table 9 Withstand voltage
Table 10 Vibration
Table 11 Number of test samples
Table 12 P test group
Table 13 AP test group
Table 14 BP test group
Table 15 CP test group
Table 16 DP test group
Table 17 EP test group
Table 18 GP test group
Table 19 JP test group
Table 20 KP test group

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document is part 8-100 of GB/T 18501.GB/T 18501 has been published in the following parts.

--- Connectors for DC and low frequency analog and digital high speed data processing equipment with assessed quality Part 1: General specification (GB/T 18501.1-2001);

---Connectors for DC and low frequency analog and digital high speed data processing equipment Part 2: Circular connectors with assessed quality Sectional specification (GB/T 18501.2-2001);

--- Product requirements for connectors for electronic and electrical equipment Part 8-100.Power connectors 2-core, 3-core 20A power plus

--- Part 8-101.Power connector 2-core, 3-core 40A power plus 2-core signal plastic shell shielded sealed connector detailed specification Standard (GB/T 18501.8101-2025).

This document is equivalent to IEC 61076-8-100:2020 "Connectors for electronic and electrical equipment - Product requirements - Part 8-100.Electrical Detailed Specification for 2-core and 3-core 20A Power Source Connector plus 2-core Signal Plastic Shell Shielded Sealed Connector.

Introduction

Connectors for electronic and electrical equipment are widely used in the fields of communications, industry, and new energy vehicles, and the demand is huge.

With the increasing number of signal transmission types and transmission power of gas equipment, it is necessary to ensure the reliable connection of electronic and electrical equipment and stable signal transmission.

The purpose of GB/T 18501 is to standardize the dimensions, connection characteristics and electrical safety of connectors for electronic and electrical equipment.

The company provides the following services. port dimensions, technical parameters, performance requirements and test methods, etc., for the production and selection of the entire industrial chain in the fields of communications, industry and new energy vehicles.

GB/T 18501 is to improve the domestic standard system of connectors for electronic and electrical equipment, and to standardize the the design, production and delivery of connectors for equipment are of great significance.

GB/T 18501 is intended to consist of the following parts.

--- Part 1: General specification;

--- Part 2: Sectional specification for circular connectors;

--- Part 3: Sectional specification for rectangular connectors;

--- Part 4: Sectional specification for printed board connectors;

--- Part 8: Sectional specification for power connectors;

--- Part 8-100.Power connector 2-core, 3-core 20A power plus 2-core signal plastic shell shielded sealed connector details specification;

--- Part 8-101.Power connector 2-core, 3-core 40A power plus 2-core signal plastic shell shielded sealed connector details specification;

--- Part 8-102.Power connector 2-core, 3-core 150A power plus 2-core signal plastic shell shielded sealed connector details specification;

--- Part 8-103.Power connector 2 core 20A plus grounding metal shell push-pull lock IP65/IP67 protection grade circular connector Detailed specifications for connectors;

--- Part 8-104.Power connector 2 core 40A metal shell push-pull lock IP65/IP67 protection grade circular connector details Detailed specifications;

--- Part 8-105.Power connector 2 core rated current 63A, rated voltage 400V plastic shell quick lock rectangular connector details Detailed specifications;

--- Part 8-106.Power connector 2 cores, rated current 16A, rated voltage DC 400V, push-pull quick lock with fuse Detail specification for rectangular connectors;

--- Part 8-107.Power connector 2 core.200A, 1000V power plus 2 core 5A, 50V signal when mated IP65/IP68

--- Part 8-108.Power connector 2 core 250A, 1000V power plus 2 core 5A, 50V signal when mated IP65/IP68

--- Part 8-109.Power connector 2 core 130A, 1000V power plus 2 core 5A, 50V signal when mated IP65/IP68 Detail specification for rectangular connectors;

--- Part 8-111.Power connector 3-core 20A plastic shell snap-lock rectangular waterproof connector detail specification;

--- Part 8-112.Power connector 2-core 50A plastic shell snap-lock rectangular waterproof connector detail specification.

Product requirements for connectors for electronic and electrical equipment Part 8-100.Power connectors 2-core, 3-core 20A power plus 2-core signal Detail specification for shielded and sealed connectors with plastic housing

1 Scope

This document specifies 2-core and 3-core 20A power plus 2-core signal plastic shell shielded sealed connectors for electronic and electrical equipment (hereinafter referred to as the overall dimensions, interface dimensions, technical parameters, performance requirements and test methods of electrical connectors (referred to as "electrical connectors").

This document is applicable to the field of electronic and electrical equipment, with a rated voltage not exceeding AC 750V or DC 1000V and a rated current of 20A.

Electrical connections where sealing and shielding are required.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 131-2006 Product Geometry Specification (GPS) - Representation of surface structure in technical product documents (ISO 1302.

2002, IDT)

GB/T 3956-2008 Cable conductors (IEC 60228:2004, IDT) GB/T 4210-2015 Electrical terminology Electromechanical components for electronic equipment (IEC 60050-581:2008, IDT) GB/T 5169.11-2017 Fire hazard tests for electronic and electrical products Part 11: Basic test methods for glowing wire/hot wire Glow Wire Flammability Test Method for Products (GWEPT) (IEC 60695-2-11:2014, IDT) ISO 6508-1:2015 Metallic materials - Rockwell hardness test - Part 1: Test method hardnesstest-Part 1: Testmethod) Note. GB/T 230.1-2018 Rockwell hardness test for metallic materials Part 1: Test method (ISO 6508-1:2016, MOD) plastic products) Note. GB/T 16288-2024 Marking of plastic products (ISO 11469:2016, MOD) guidance) Note. GB/T 2421-2020 Overview and Guidelines for Environmental Testing (IEC 60068-1:2013, IDT) IEC 60352-1 Solderless connections Part 1: Wire wrap connections General requirements, test methods and guidelines for use (Solderlesscon-IEC 60352-2 Solderless connections Part 2: General requirements, test methods and application guidelines for crimped connections (Solderlesscon-Note. GB/T 18290.2-2015 Solderless connections Part 2: General requirements, test methods and application guidelines for crimped connections (IEC 60352-2:2006, IDT) IEC 60352-3 Solderless connections Part 3: Accessible solderless insulation displacement connections General requirements, test methods and application guidelines

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 1302 · IEC 60228 · GB/T 4210-2015 · IEC 60050 · IEC 60695 · ISO 6508 · ISO 11469 · IEC 60068 · IEC 60352

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