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1、To: Current Holders of ICS 8-2000 From:NEMA Communications Department Date:June 23, 2005 Subject: Reaffirmation of ICS 8-2000 The NEMA Codes and Standards Committee has reaffirmed ICS 8-2000, Crane and Hoist Controllers. The new designator for this standard is ICS 8-2000 (R2005), Crane and Hoist Con
2、trollers. Please insert the attached revised title page into your standard. Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted wit
3、hout license from IHS -,-,- Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted without license from IHS -,-,- NEMA Standards Publi
4、cation ICS 8-2000 (R2005) Crane and Hoist Controllers Published by: National Electrical Manufacturers Association 1300 North 17th Street, Suite 1847 Rosslyn, VA 22209 Copyright by the National Electrical Manufacturers Association. All rights including translation into other languages, reserved under
5、 the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American Copyright Conventions. Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards
6、1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted without license from IHS -,-,- NOTICE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at
7、 the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. The National Electrical Manufacturers Association (NEMA) standards and guideline publications, of which the document contained herei
8、n is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While NEMA administers the process and establishes rules to promote fairne
9、ss in the development of consensus, it does not write the document and it does not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its standards and guideline publications. NEMA disclaims liability for any persona
10、l injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this document. NEMA disclaims and makes no guaranty or warranty, express or implied, as
11、 to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. NEMA does not undertake to guarantee the performance of any individual manufacturer or sellers produc
12、ts or services by virtue of this standard or guide. In publishing and making this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. A
13、nyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Information and other standards on the topic covered by this publication may be avai
14、lable from other sources, which the user may wish to consult for additional views or information not covered by this publication. NEMA has no power, nor does it undertake to police or enforce compliance with the contents of this document. NEMA does not certify, test, or inspect products, designs, or
15、 installations for safety or health purposes. Any certification or other statement of compliance with any health or safetyrelated information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. Copyright National Electrical
16、Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-NEMA ICs 8-ENGL 2000 W b1i702q7 0522572 202 ICs 8-2000 Page i Table of Con
17、tents Foreword . ix INTRODUCTION 1 1 General 1 2 Definitions 1 3 Classification 1 4 Characteristics and Ratings . 1 5 Product Marking, Installation, and Maintenance Information . 1 6 Service and Storage Conditions 1 7 Construction . 1 8 Performance Requirements and Tests 1 4 5 6 7 Part 1 GENERAL STA
18、NDARDS FOR CRANE CONTROLLERS RATED 600 VOLTS OR LESS AC AND DC 3 1 General 3 1.1 Referenced Standards 3 1.2 Scope 4 1.3 Normative References 4 2 Definitions 4 2.1 General . 4 3 Classifications 4 3.1 General . 4 3.2 Class I Controllers 4 3.3 Class II Controllers . 4 3.4 Crane Service Classes . 4 3.4.
19、1 Class A (Standby or Infrequent Service) 5 3.4.2 Class B (Light Service) . 5 3.4.3 Class C (Moderate Service) 5 3.4.4 Class D (Heavy Service) . 5 3.4.5 Class E (Severe Service) 5 3.4.6 Class F (Continuous Severe Service) . 6 3.5 Crane Service in terms of Load Class and Load Cycles 6 Characteristics
20、 and Ratings . 7 4.1 General Provisions for DC and AC Controllers 7 4.1.1 Controls 7 4.1.2 Braking 7 4.1.3 Protection 7 4.1.4 Controllers with Semiconductor Devices 7 4.2 4.3 Current Rating of the Disconnecting Means for Cranes . 7 4.4 Maximum Control Voltage 7 4.5 Power Circuit Resistor Ratings . 7
21、 4.6 Electncally-Operated Brakes 7 4.6.1 Holding Brake Ratings 8 4.7 Control Circuit Device Ratings 8 Product Marking, Installation, and Maintenance Information . 8 Service and Storage Conditions 8 Construction . 8 7.1 Disconnecting Means . 8 7.2 Branch Circuit Protection 8 7.3 Power-Circuit Resisto
22、rs 8 7.4 Terminations for Power Cables 8 Electrically-Operated Disconnecting Means . 7 Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking pe
23、rmitted without license from IHS -,-,- ICs 8-2000 Page ii 8 9 7.5 Operator Controls . 8 7.5.1 Steps of Hand Control 8 7.5.2 Direction of Operation of Master Switch Levers . 9 7.5.3 Suspended Pendent or Wired Portable Master Control Stations . 9 7.5.4 Direction of Controlled Motion 9 performance and
24、Tests . 9 Application . 9 9.1 Pushbuttons 9 9.2 Crane Limit Switches 9 9.2.1 Direct Acting Power Limit Switches 9 9.2.2 Overtravel and Slowdown Sensors . 9 9.3 Auxiliary Contacts . 10 9.4 Master Switches . 10 Patt 2 CONSTANT-VOLTAGE DC MAGNETIC CONTROLLERS FOR MOTORS OR CRANES . 13 1 General 13 1 .
25、1 Scope 13 1.2 Normative References 13 2 Definitions 13 3 Classifications 13 4 characteristics and Ratings . 13 4.1 Controller Contactors 13 4.1 . 1 Contactor Interrupting Ability . 13 4.1.2 Ratings of Line and Directional Contactors at 230 to 250 Volts . 13 4.1.3 Ratings of Line and Directional Con
26、tactors at Voltages Other Than 230 to 250 Volts 13 4.1.4 Ratings of Accelerating, Plugging, and Low-Torque Contactors 13 4.1.5 Ratings of Common-Line Contacts Used for Grouped Protection 13 Ratings of Controller Power-Circuit Disconnecting Means . 14 Service and Storage Conditions 15 4.2 5 Product M
27、arking, Installation, and Maintenance Information . 14 6 7 Construction . 15 7.1 Quantity of Accelerating Contactors . 15 7.2 Equipment Required . 15 Performance and Test . 17 9 Application . 17 8 Part 3 ADJUSTABLE-VOLTAGE DC CONTROLLERS FOR MOTORS ON CRANES 19 1 General 19 1 . 1 Scope 19 1.2 Nonnat
28、ive References 19 2 Definitions 19 3 Classifications 19 4 Characteristics and Ratings . 19 4.1 Controller Contactors 19 4.1 . 1 Contactor Interrupting Ability . 19 4.1.2 Ratings of Loop or Line Contactors 20 5 Product Marking, Installation, and Maintenance Information . 20 6 Service and Storage Cond
29、itions 20 7 Construction . 20 7.1 Equipment Required . 20 8 Performance and Test . 20 9 Application . 21 Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproductio
30、n or networking permitted without license from IHS -,-,- ICs 8-2000 Page iii Part 4 MAGNETIC CONTROLLERS FOR AC WOUND-ROTOR MOTORS ON CRANES . 23 1 General 23 1.1 Scope 23 1 -2 Normative References 23 2 Definitions 23 3 Classifications 23 4 Characteristics and Ratings . 23 4.1 Controller Contactors
31、23 4.1.1 Contactor Interrupting Ability . 23 4.1.3 Ratings of Accelerating. Plugging. and Low-Torque Contactors 23 4.1.4 Ratings of Line Contactors Used for Grouped Protection 23 4.2 Rating of Controller Power-Circuit Isolating Means 23 5 Product Marking. Installation. and Maintenance Information .
32、24 6 Service and Storage Conditions 24 7 Construction . 24 7.1 Quality of Accelerating Contactors . 24 7.2 Equipment Required . 24 Performance and Tests . 26 9 Application . 26 8 Part 5 STATIC CONTROLLERS FOR AC WOUND-ROTOR MOTORS ON CRANES . 27 1 General 27 1.1 Scope 27 1.2 Normative References 27
33、2 Definitions 27 3 Classifications 27 4 Characteristics and Ratings . 27 4.1 Controller Contactors 27 4.1.1 Contactor Interrupting Ability . 27 4.1.2 Ratings of Line and Directional Contactors 27 4.1.3 Ratings of Line and Directional Contactors at Voltages Less than 460 Volts 27 4.1.4 Ratings of Acc
34、elerating Contactors . . 27 4.2 Rating of Controller Power-Circuit Isolating Means 27 5 Product Marking, Installation, and Maintenance Information . 28 6 Service and Storage Conditions 28 7 construction . 28 7.1 Equipment Required . 28 8 Performance and Tests . 28 9 Application . 28 2 3 4 Part 6 CRA
35、NE AND HOIST POWER-CIRCUIT LIMIT SWITCHES . 29 1 General 29 1.1 Scope 29 1.2 Normative References 29 Definitions 29 Classifications 29 3.1 Direction of Operation . 29 3.2 Reset Operating Means 29 3.2.1 Suspended-Weight Type 29 3.2.2 Lever Type 29 Characteristics and Ratings . 31 Current and Horsepow
36、er Ratings . 31 4.1 4.2 Voltage Ratings 31 Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ICs 8
37、-2000 Page iv 5 6 7 8 9 4.3 Auxiliary Contacts . 31 Product Marking. Installation. and Maintenance Information . 32 5.1.1 Device Marking . 32 5.1.2 Terminal Markings 32 5.2 Maintenance . 32 Service and Storage Conditions 34 Construction . 34 Performance and Tests 8.1 Performance Requirements 34 8.2
38、Tests . 34 8.2.1 8.2.2 Temperature Rise of Current Carrying Parts 34 8.2.3 Make and Break Capacity . 34 8.2.4 Make and Break (Operating Overload) Test . 35 8.2.5 Mechanical and Electrical Endurance Tests . 36 8.2.6 Dielectric Test . 37 Application . 38 9.1 Intended Function . 38 9.2 Wire Rope Sheave
39、s 38 9.3 Wire Rope Length . . 38 9.4 Reset Weights 38 9.5 Lever-Operated Switch Overtravel . 38 9.6 Frequency of Operation 38 9.7 9.8 9.9 5.1 Marking . 32 Design Test Concept 34 Low Current DC Operation . 39 Intermittent Rating Applications 39 Reversing or Plugging 39 Part 7 HEAVY-DUTY DC MAGNETIC C
40、ONTACTORS RATED 600 VOLTS . 41 1 General 41 1.1 Scope 41 1.2 Normative References 41 2 Definitions 41 3 Classifications 41 4 Characteristics and Ratings . 41 4.1 Contact Forms 41 4.1.1 Power-Circuit Contact Forms . 41 4.1.2 Auxiliary Contact Forms 41 4.2 Voltage Ratings 41 4.3 Current Ratings of DC
41、Contactors 41 4.4 Horsepower Ratings of DC Contactors 42 Product Marking, Installation, and Maintenance Information . 42 5.1 Device Marking . 42 5.2 Maintenance . 42 6 Service and Storage Conditions 42 7 Construction . 43 7.1 Mechanical Interlocking 43 7.2 Terminal Sizes 43 Performance and Test . 43
42、 8.1 General . 43 8.2 Temperature Rise Tests . 43 8.3 Make and Break (Operating Overload) Design Test 43 8.3.1 Test Conditions . 43 8.3.2 Test Criteria 44 5 8 Copyright National Electrical Manufacturers Association Provided by IHS under license with NEMALicensee=NASA Technical Standards 1/9972545001
43、 Not for Resale, 04/19/2007 08:06:19 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-NEMA ICs 8-ENGL 2000 b47021(7 052257h 958 = ICs 8-2000 Page v 8.4 8.5 Mechanical and Electrical Endurance Tests . 44 Mechanical Endurance Test . 44 8.5.1 Test Conditions-Mechanical . 45
44、 8.5.2 Test Analysis-Mechanical . 45 8.5.3 Test Criteria-Mechanical 45 Electrical Endurance Test . 45 8.6.1 Test Conditions-Electrical . 45 8.6.2 Test Conditions-Electrical . 46 Operating Voltage Test . 46 8.7.1 Overvoltage 46 8.7.2 Undervoltage 46 8.6 8.7 9 Application . 46 9.1 Application Guide 46
45、 Application of Enclosed Contactors 46 Arc Clearance Test Data 46 9.2 9.3 2 3 4 5 Part 8 AC ADJUSTABLE FREQUENCY CONTROLLERS FOR MOTORS AND CRANES . 47 1 General 47 1 .I Scope 47 1.2 Classification . 47 Characteristics and Ratings . 47 2.1 Ratings 47 2.2 Speed Ratings 47 2.3 Overload Capacity Rating
46、s . 47 2.3.1 Travel Drives . 47 2.3.2 Hoist Drives 47 Holding Brake Ratings 48 Rating of Controller Power Circuit Isolating Means 48 Product Marking, installation, and Maintenance Information . 48 Service and Storage Conditions 48 Construction . 48 5.1 Controller Contactors 48 5.1 . 1 Contactor Inte
47、rrupting Ability . 48 5.1.2 Ratings of Line or Motion Contactor for Single Motor Protection . 48 5.1.3 Ratings of Line or Motion Contactor Used for Grouped Motion Protection 48 5.1.4 Ratings of Line or Motion Contactors at Voltages Not Listed in Table 4-1-1 But Less than 460 Volts . 48 5.2 Accelerat
48、ion Control . 48 5.3 Dynamic Braking Controller 48 5.4 Dynamic Braking Slowdown . 48 5.5 Dynamic Braking Lowering . 48 5.6 Adjustable Frequency Equipment Required . 49 6 Performance and Test . 49 7 Application . 49 2.4 2.5 Part 9 WIRELESS CONTROL SYSTEMS FOR CRANES 51 1 General 51 1.1 Scope 51 I . 2 Normative References 51 2 Definitions 51 3 Classification 51 4 Characteristics and Ratings . 51 5 Product Marking, Installation, and Maintenance Information . 51 Copyright National Electrical Manufacturers Association Provided by IHS under l