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国际标准

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8金币 IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16:Artificial ventilation for the protection of analyzer(s)houses.PDF

IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16: Artificial ventilation for the protection of analyzer(s) houses1. Scope1.1 Thisreportprovidesthe general principles ofprotection,byartificial ventilation,ofanalyzer(s) houses ...

内容提供方：外唐用户 | 2022-10-21 发布 | 10.22MB | 63 页
15金币 IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2:Dimensional compatibility requirements for pin and contact-tube accessories.PDF

IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2: Dimensional compatibility requirements for pin and contact-tube accessories1 scopeThis document applies to plugs，fixed or portable socket-outl...

内容提供方：外唐用户 | 2022-10-21 发布 | 17.22MB | 154 页
5金币 IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES-Part 2-3:Appliance couplers with a degree of protection higher than lPXO.PDF

IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES -Part 2-3: Appliance couplers with a degree of protection higher than lPXO1 SCOPEThis clause of lEC 60320-1 applies with the following addition:This document applies to ...

内容提供方：外唐用户 | 2022-10-21 发布 | 6.83MB | 40 页
10金币 IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS-Part 1:Fundamental principles,assessment of general characteristics,definitions.PDF

IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS -Part 1: Fundamental principles, assessment of general characteristics, definitions11 scope 1IEC 60364-1 gives the rules for the design, erection, and verification of electrical installations.The ...

内容提供方：外唐用户 | 2022-10-21 发布 | 10.17MB | 102 页
15金币 IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1:overview and application.PDF

IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1: overview and application1 scopeThis part of lEC 60417 contains graphical symbols and their meaning (title and application).The graphical symbols in the standard are primarily intended.to...

内容提供方：外唐用户 | 2022-10-21 发布 | 28.4MB | 188 页
15金币 IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV(Um=1,2 kV)UP TO 30 kV(um=36 kV)-Part 2:Cables for rated voltages from 6 kV(Um=7,2 kV)up to 30 kV(Um=36 kV).PDF

IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV (Um=1,2 kV) UP TO 30 kV (um= 36 kV) -Part 2: Cables for rated voltages from 6 kV(Um = 7,2 kV) up to 30 kV (Um = 36 kV)1 ScopeThis part of lEC 6050...

内容提供方：外唐用户 | 2022-10-21 发布 | 19.8MB | 166 页
8金币 IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES(Code).PDF

IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (Code)INTRODUCTIONThis standard describes a system for classifying the degrees of protection provided by theenclosures of electrical equipment. Whilst this system is suitable for use with most...

内容提供方：外唐用户 | 2022-10-21 发布 | 13.2MB | 80 页
8金币 IEC 60617-2:1996 Graphical symbols for diagrams-Part 2:Symbol elements,qualifying symbols and other symbols having general application.PDF

IEC 617-2:1996 Graphical symbols for diagrams -Part 2:Symbol elements, qualifying symbols and other symbols having general applicationThe scope and the normative references for this series are given in lEC 617-1.Symbols have been designed in accordan...

内容提供方：外唐用户 | 2022-10-21 发布 | 7.49MB | 44 页
8金币 IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4:Ancillary equipment-PCB terminal blocks for copper conductors.PDF

IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4: Ancillary equipment-PCB terminal blocks for copper conductors1 General1.1ScopeThis part of lEC 60947 specifies requirements for PCB terminal blocks primarily intended forindustrial o...

内容提供方：外唐用户 | 2022-10-21 发布 | 7.36MB | 64 页
8金币 IEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT-SAFETY-Part 22:Equipment to be installed outdoors.PDF

lEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT -SAFETY-Part 22: Equipment to be installed outdoorsScope1.1Equipment coveredThis part of lEC 60950 applies to information technology equipment intended to be installed inan oUTDOOR LOCATION.The requi...

内容提供方：外唐用户 | 2022-10-21 发布 | 27.88MB | 66 页