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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
5金币 IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY(EMC)-Part 4-29:Testing and measurement techniques-Voltage dips,short interruptions and voltage variations on d.c.input power port immunity tests.PDF

IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY (EMC)-Part 4-29: Testing and measurement techniques -Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests1 Scope and objectThis part of lEC 61000 defines te...

内容提供方：外唐用户 | 2022-10-21 发布 | 4.57MB | 45 页
5金币 IEC 61131-1:2003(E)PROGRAMMABLE CONTROLLERS-Part 1:General information.PDF

IEC 61131-1:2003(E) PROGRAMMABLE CONTROLLERS -Part 1: General information1ScopeThis Part of lEC 61131 applies to programmable controllers(PLC) and their associated peri-pherals such as programming and debugging tools (PADTs)， human-machine interfaces...

内容提供方：外唐用户 | 2022-10-21 发布 | 2.29MB | 25 页
5金币 IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES-Part 2:Power switchgear and controlgear assemblies.PDF

IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES -Part 2: Power switchgear and controlgear assemblies1 ScopeThis clause of Part 1 is applicable except as follows.Addition:This standard defines the specific requirements of power switc...

内容提供方：外唐用户 | 2022-10-21 发布 | 4.84MB | 48 页
15金币 IEC 61508-7:2000 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS-Part 7:Overview of techniques and measures.PDF

IEC 61508-7:2000 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS -Part 7: Overview of techniques and measures1scope1.1This part of lEC 61508 contains an overview of various safety techniques and measuresrelev...

内容提供方：外唐用户 | 2022-10-21 发布 | 35.74MB | 238 页