GB/Z 25842.1-2010
Low-voltage switchgear and controlgear.Overcurrent protective devices.Part 1:Application of short-circuit ratings

Standard No.

GB/Z 25842.1-2010

Language

Chinese

Release Date

2010

Published By

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

Lastest

GB/Z 25842.1-2010

Scope

This part of GB/Z 25842 serves as a guideline for the application of standard short-circuit ratings for low-voltage switchgear and control equipment and complete equipment. It summarizes the definition of its short-circuit rating and provides corresponding examples for its application. Note, this section itself does not involve the installation of household appliances.

GB/Z 25842.1-2010 Referenced Document

• GB 10963.1 Electrical accessories-Circuit-breakers for overcurrent protection for household and similar installation Part 1:Circuit-breakers for a.c.operation
• GB 13539.1 Low-voltage fuses.Part 1:General requirements*， 2015-09-11 Update
• GB 14048.1 Low-voltage switchgear and controlgear.Part 1:General rules*， 2012-12-31 Update
• GB 14048.2 Low-voltage switchgear and controlgear.Part 2: Circuitm-breakers
• GB 14048.3 Low-voltage switchgear and controlgear.Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units
• GB 14048.4 Low-voltage switchgear and controlgear.Part 4-1:Contactors and motor-starters.Electromechanical contactors and motor-starters (Including motor protector)
• GB 14048.9 Low-voltage switchgear and controlgear.Part 6-2:Multiple function equipment.Control and protective switching devices(or equipment)(CPS)
• GB 16895.1 Electrical installations of buildings. Part 1: Scope, object and fundamental principles
• GB 16895.11 Electrical installations of buildings Part 4: Protection for safety,Chapter 44: Protection against overvoltages Section 442-Protection of low-voltage installations against temporary overvoltages and faults beween high-voltage systems and earth
• GB 16895.12 Electrical installations of buildings Part 4: Protection for safety Chapter 44: Protection against overvoltages Section 443: Protection against overvoltages of atmospheric origin or due to switching
• GB 16895.13 Low-voltage electrical installations.Part 7-701:Requirements for special installations or locations.Locations containing a bath or shower*， 2012-06-29 Update
• GB 16895.14 Electrical installations of buildings.Part 7-703:Requirements for special installations or locations.Rooms and cabins containing sauna heaters
• GB 16895.19 Electrical installations of buildings Part 7: Requirements for special installations or locations Section 702: Swimming pools and other basins
• GB 16895.2 Electrical installations of buildings.Part 4-42:Protection for safety.Protection against thermal effects
• GB 16895.20 Electrical installations of buildings Part 5: Selection and erection of electrical equipment Chapter 55: Other equipment Section 551: Low-voltage generating sets
• GB 16895.21 Low-voltage electrical installations.Part 4-41:Protection for safety.Protection against electric shock*， 2011-12-30 Update
• GB 16895.22 Electrical installations of buildings Part 5-53:Selection and erection of electrical equipment isolation,switching and control Section 534:Devices for protection against overvoltages
• GB 16895.24 Electrical installations of buildings.Part 7-710:Requirements for special installations or locations.Medical locations
• GB 16895.25 Electrical installations of buildings.Part 7-711:Requirements for special installations or locations.Exhibitions,shows and stands
• GB 16895.26 Electrical installations of buildings.Part 7-740:Requirements for special installations or locations.structures,amusement devices and booths at fairgrounds,amusement parks and circuses
• GB 16895.27 Low-voltage electrical installations.Part 7-705:Requirements for special installations or locations.Agricultural and horticultural premises*， 2012-06-29 Update
• GB 16895.28 Electrical installations of buildings.Part 7-714:Requirements for special installations or locations.External lighting installations
• GB 16895.29 Electrical installations of buildings.Part 7-713:Requirements for special installations or locations.Furniture
• GB 16895.3 Electrical installations of buildings--Part 5-54:Selection and erection of electrical equipment-Earthing arrangements,protective conductors and protective bonding conductors
• GB 16895.30 Electrical installations of buildings.Part 7-715:Requirements for special installations or locations.Extra-low-voltae lighting installations
• GB 16895.31 Electrical installations of buildings.Part 7-717：Requirements for special installations or locations.Mobile or transportable units
• GB 16895.4 Electrical installations of buildings Part 4: Protection for safety Chapter 43: Protection against overcurrent
• GB 16895.5 Low-voltage electrical installations.Part 4-43 Protection for safety.Protection against overcurrent*， 2012-06-29 Update
• GB 16895.6 Electric installations of buildings-Part 5: Selection and erection of electrical equipment-Chapter 52: Wiring systems
• GB 16895.7 Low-voltage electrial installatioins.Part 7-704:Requuirements for special installations or locations.Construction and demolition site installations
• GB 16895.8 Low-voltage eletrical installations.Part 7-706:Requirements for special installations or locations.Conducting locations with restricted movement
• GB 16917.1 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs).Part 1:General rules*， 2014-05-06 Update
• GB 7251.1 Low-voltage switchgear and controlgear assemblies.Part 1:General rules*， 2013-12-31 Update
• GB 7251.2 Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunking systems (busways)
• GB/T 14598.1 Electrical relays--Part 23: Contact performance
• GB/T 14598.10 Measuring relays and protetion equipment.Part 22-4:Electrical disturbance tests.Electrical fast transient/burst immunity test*， 2012-06-29 Update
• GB/T 14598.11 Measuring relays and protection equipment.Part 11: Voltage dips, short interruptions, variations and ripple on auxiliary power supply port*， 2011-06-16 Update
• GB/T 14598.118 Measuring relays and protection equipment—Part 118: Synchrophasor for power systems—Measurements*， 2021-12-31 Update
• GB/T 14598.12 Electrical relays. Part 19: Blank detail specification. Electromechanical all-or-nothing relays of assessed quality. Test schedules 1,2 and 3
• GB/T 14598.121 Measuring relays and protection equipment—Part 121：Functional requirements for distance protection*， 2017-07-31 Update
• GB/T 14598.127 Measuring relays and protection equipment.Part 127:Functional requirements for over/under voltage protection*， 2013-07-19 Update
• GB/T 14598.13 Electrical relays.Part 22-1:Electrical disturbance tests for measuring relays and protection equipment.1 MHz burst immunity tests
• GB/T 14598.14 Measuring relays and protection equipment.Part 22-2:Electrical disturbance tests.Electrostatic discharge tests
• GB/T 14598.149 Measuring relays and protection equipment.Part 149:Functional requirements for thermal electrical relays*， 2016-02-24 Update
• GB/T 14598.15 Electrical relays. Part 8:Thermal electrical relays
• GB/T 14598.151 Measuring relays and protection equipment.Part 151:Functional requirements for over/under current protection*， 2012-12-31 Update
• GB/T 14598.16 Electrical relays--Part 25: Electromagnetic emission tests for measuring relays and protection equipment
• GB/T 14598.17 Electrical relay-Part 22-6：Electrical disturbance tests for measuring relays and protection equipment-Immunity to conducted disturbances induced by radio frequency fields
• GB/T 14598.18 Measuring relays and protection equipment.Part 22-5:Electrical disturbance tests.Surge immunity test*， 2012-06-29 Update
• GB/T 14598.181 Measuring relays and protection equipment—Part 181：Functional requirements for frequency protection*， 2021-12-31 Update
• GB/T 14598.19 Electrical relays Part 22-7: Electrical disturbance tests for measuring relays and protection equipment Power frequency immunity test
• GB/T 14598.2 Measuring relays and protection equipment. Part 1:Common requirements *， 2011-12-30 Update
• GB/T 14598.20 Electrical relays Part 26: Electromagnetic compatibility requirements for measuring relays and protection equipment
• GB/T 14598.23 Electrical relays—Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment—Section 3: Seismic tests*， 2017-12-29 Update
• GB/T 14598.24 Measuring relays and protection equipment—Part 24: Common format for transient data exchange (COMTRADE) for power systems*， 2017-07-31 Update
• GB/T 14598.26 Measuring relays and protection equipment.Part 26: Electromagnetic compatibility requirements*， 2015-09-11 Update
• GB/T 14598.27 Measuring Relays and Protective Devices Part 27: Product Safety Requirements "No. 1 Amendment"
• GB/T 14598.3 Electrical relays.Part 5:Insulation coordination for measuring relays and protection equipment.Requirements and tests
• GB/T 14598.300 General specification for transformer protection equipment*， 2017-12-29 Update
• GB/T 14598.301 Technical requirements for power system continuous recorder*， 2020-06-02 Update
• GB/T 14598.302 Specification for arc flash protection equipment*， 2016-02-24 Update
• GB/T 14598.303 General specification for digital motor combined protection equipment *， 2011-12-30 Update
• GB/T 14598.4 Electrical relays. Part 14: Endurance test for electrical relay contacts. Preferred values for contact loads
• GB/T 14598.5 Electrical relays. Part 15: Endurance tests for electrical relay contacts. Specification for the characteristics of test equipment
• GB/T 14598.6 Electrical relays. Part 18: Dimensions for general purpose all-or-nothing relays
• GB/T 14598.7 Electrical relays. Part 3: Single input energizing quantity measuring relays with dependent or independent time
• GB/T 14598.8 Electrical relays.Part 20：Protection systems
• GB/T 14598.9 Measuring relays and protection equipment.Part 22-3:Electrical disturbance tests.Radiated electromagnetic field immunity

GB/Z 25842.1-2010 history

• 2010 GB/Z 25842.1-2010 Low-voltage switchgear and controlgear.Overcurrent protective devices.Part 1:Application of short-circuit ratings