IEC_60204-1.pdf

Safety of machinery Electrical equipment of machines Part 1:General requirementsINTERNATIONALSTANDARDIEC60204-1Edition 4.12000-05Reference numberIEC 60204-1:1997+A1:1999(E)Edition 4:1997 consolidated with amendment 1:1999This English-language version is derived from the originalbilingual publication by leaving out all French-languagepages.Missing page numbers correspond to the French-language pages.Safety of machinery Electrical equipment of machines Part 1:General requirementsFor price,see current catalogue IEC 2000 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chINTERNATIONALSTANDARDIEC60204-1Edition 4.12000-05XDCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODEEdition 4:1997 consolidated with amendment 1:199960204-1 IEC:1997+A1:1999 3 CONTENTSPageFOREWORD.11INTRODUCTION.15Clause1Scope.212Normative references.233Definitions.274General requirements.394.1General considerations.394.2Selection of equipment.414.3Electrical supply.414.4Physical environment and operating conditions.434.5Transportation and storage.474.6Provisions for handling.474.7Installation and operation.475Incoming supply conductor terminations and devices for disconnecting and switching off.475.1Incoming supply conductor terminations.475.2Terminal for connection to the external protective earthing system.495.3Supply disconnecting(isolating)device.495.4Devices for switching off for prevention of unexpected start-up.535.5Devices for disconnecting electrical equipment.555.6Protection against unauthorized,inadvertent and/or mistaken connection.556Protection against electric shock.556.1General.556.2Protection against direct contact.576.3Protection against indirect contact.616.4Protection by the use of PELV.637Protection of equipment.657.1General.657.2Overcurrent protection.657.3Overload protection of motors.697.4Abnormal temperature protection.717.5Protection against supply interruption or voltage reductionand subsequent restoration.717.6Motor overspeed protection.737.7Earth fault/residual current protection.737.8Phase sequence protection.737.9Protection against overvoltages due to lightning and to switching surges.7360204-1 IEC:1997+A1:1999 5 ClausePage8Equipotential bonding.758.1General.758.2Protective bonding circuit.778.3Bonding for operational purposes.819Control circuits and control functions.839.1Control circuits.839.2Control functions.859.3Protective interlocks.959.4Control functions in the event of failure.9710Operator interface and machine-mounted control devices.10110.1General.10110.2Push-buttons.10310.3Indicator lights and displays.10710.4Illuminated push-buttons.10910.5Rotary control devices.10910.6Start devices.10910.7Devices for emergency stop.10910.8Devices for emergency switching off.11110.9Displays.11111Electronic equipment.11311.1General.11311.2Basic requirements.11311.3Programmable equipment.11312Controlgear:location,mounting,and enclosures.11512.1General requirements.11512.2Location and mounting.11512.3Degrees of protection.11712.4Enclosures,doors and openings.11912.5Access to controlgear.12113Conductors and cables.12113.1General requirements.12113.2Conductors.12113.3Insulation.12313.4Current-carrying capacity in normal service.12313.5Conductor and cable voltage drop.12513.6Minimum cross-sectional area.12513.7Flexible cables.12713.8Collector wires,collector bars and slip-ring assemblies.12914Wiring practices.13314.1Connections and routing.13314.2Identification of conductors.13514.3Wiring inside enclosures.13714.4Wiring outside enclosures.13914.5Ducts,connection boxes and other boxes.14560204-1 IEC:1997+A1:1999 7 ClausePage15Electric motors and associated equipment.14915.1General requirements.14915.2Motor enclosures.14915.3Motor dimensions.14915.4Motor mounting and compartments.14915.5Criteria for motor selection.15115.6Protective devices for mechanical brakes.15116Accessories and lighting.15116.1Accessories.15116.2Local lighting of the machine and equipment.15317Marking,warning signs and reference designations.15517.1General.15517.2Warning signs.15517.3Functional identification.15517.4Marking of control equipment.15517.5Reference designations.15718Technical documentation.15718.1General.15718.2Information to be provided.15718.3Requirements applicable to all documentation.15918.4Basic information.15918.5Installation diagram.15918.6Block(system)diagrams and function diagrams.16118.7Circuit diagrams.16118.8Operating manual.16318.9Maintenance manual.16318.10Parts list.16319Testing and verification.16319.1General.16319.2Continuity of the protective bonding circuit.16519.3Insulation resistance tests.16519.4Voltage tests.16519.5Protect