Valid

GB/T 46811-2025Marine high-power resistors (English PDF)

船用大功率电阻器

Preview PDF

This is a limited preview

Buy now to download the full PDF (18 pages)

Need quotation for your management?

Get a formal quotation for GB/T 46811-2025 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2025

Implementation date

July 1, 2026

Scope

GB/T 46811-2025 is the English-translated version of 船用大功率电阻器.

GB/T 46811-2025 is the Chinese standard "Marine high-power resistors". Its scope clause reads: This document specifies the product classification, design, basic parameters, requirements, testing, inspection rules, packaging, and marking of high-power marine resistors.

Transportation and storage. This document applies to marine heavy-duty motors with AC voltage below 15kV or DC voltage below 10kV, and a power range of 10kW to 5000kW.

For high-power resistors (hereinafter referred to as "resistors", including resistor modules and resistor devices), the same applies to resistors above 5000kW. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 46811-2025

National Standard of the People's Republic of China

ICS: 47.020.60
Classification: U 61

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4 Product Categories
4.1 Classified by work system (3)
4.2 Classified by application
4.3 Classified by cooling method
5.Design and Basic Parameters 3.
5.1 Environmental Conditions
5.2 Pollution Level
5.3 Insulation
5.4 Cooling medium
5.5 Power
5.6 Monitoring
5.7 Overload capacity
5.8 Structure
5.9 Materials
5.10 Signage and Nameplates
6 Requirements
6.1 General Requirements
6.2 Resistance value
6.3 Inductance
6.4 Flow resistance
6.5 Clearances and Creepage Distances
6.6 Insulation resistance
6.7 Dielectric Strength
6.8 Power and Energy Consumption
6.9 Overload
6.10 Sealing performance
6.11 Temperature rise
6.12 Electromagnetic Compatibility
6.13 Noise
6.14 Environmental adaptability
7.Experiment
7.1 General Inspection
7.2 Resistance Measurement
7.3 Inductance Measurement
7.4 Flow resistance measurement
7.5 Measurement of electrical clearance and creepage distance
7.6 Insulation Resistance Measurement
7.7 Dielectric strength test
7.8 Power and Energy Consumption Test
7.9 Overload Test
7.10 Sealing Test
7.11 Temperature Rise Test
7.12 Electromagnetic Compatibility Test
7.13 Noise Test
7.14 High Temperature Test
7.15 Low Temperature Test
7.16 Constant Damp Heat Test
7.17 Alternating Damp Heat Test
7.18 Salt spray test
7.19 Vibration Test
7.20 Impact Test
7.21 Tilt and Swing Test
7.22 Mold Test
8.Inspection Rule
8.1 Inspection Classification
8.2 Type Testing
8.3 Factory Inspection
9 Packaging, marking, transportation and storage
9.1 Packaging
9.2 Mark
9.3 Transportation and Storage

1 Scope

This document specifies the product classification, design, basic parameters, requirements, testing, inspection rules, packaging, and marking of high-power marine resistors.

Transportation and storage.

This document applies to marine heavy-duty motors with AC voltage below 15kV or DC voltage below 10kV, and a power range of 10kW to 5000kW.

For high-power resistors (hereinafter referred to as "resistors", including resistor modules and resistor devices), the same applies to resistors above 5000kW.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 1234 High Resistance Heating Alloy

GB/T 2423.1 Environmental testing of electrical and electronic products – Part 2.Test methods – Test A. Low temperature

GB/T 2423.2 Environmental testing of electrical and electronic products – Part 2.Test methods – Test B. High temperature

GB/T 2423.3 Environmental testing – Part 2.Test methods – Test Cab. Constant damp heat test

GB/T 2423.4 Environmental testing of electrical and electronic products - Part 2.Test methods - Test Db. Alternating damp heat (12h 12h cycle)

GB/T 2423.5 Environmental testing – Part 2.Test methods – Test Ea and guidelines. Impact

GB/T 2423.10 Environmental testing – Part 2.Test methods – Test Fc. Vibration (sine wave)

GB/T 2423.16 Environmental Testing – Part 2.Test Methods – Test J and Guidelines. Mold Growth

GB/T 2423.18-2021 Environmental testing – Part 2.Test methods – Test Kb. Salt spray, alternating (sodium chloride solution)

GB/T 2423.101 Environmental testing of electrical and electronic products – Part 2.Test methods – Tests. tilting and swaying

GB/T 10250 Electromagnetic compatibility of marine electrical and electronic equipment - Metal hull ships

GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB/T 16927.1 High Voltage Testing Techniques – Part 1.General Definitions and Test Requirements

GB/T 16935.1-2023 Insulation Coordination of Equipment in Low-Voltage Systems - Part 1.Principles, Requirements and Tests

GD019-2024 Guidelines for Type Approval Testing of Electrical and Electronic Products

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Resistive element

The smallest unit of resistance made of a resistive material with a certain resistance value.

[Source. GB/T 25118-2010, 3.1, with modifications]

3.2 resistor module

A single structure consisting of one or more resistive elements and element fixings or insulating parts.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

Referenced standards

Normative references

How to Download GB/T 46811-2025

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.