<article class="subdiv"> <header id="titre" class="subdiv"> <h1>Operating conditions of a winch (motor dut cycles, ip code)</h1> </header> <div id="pdfdata" class="subdiv"> <div style="display:inline-block;width:20%;"> <a href="https://it4v7.interactiv-doc.fr/html/huchez_catalogue_en_1069/rna/page/99"><img style="width:100%;" src="./thumbs/99.jpg"></a> </div> </div> <nav id="breadcrumb"> <p>Vous êtes ici : </p> </nav> <main> <p>OPERATING CONDITIONS OF A WINCH x MOTOR DUTY CYCLES CEI2-3/IEC-34-1 standards define different duty cycles designation Each one is identified by the letter S followed by a progressive number from 1 to 10 All motors indicated in the catalogue comply with European standards They are per S1 or S3 depending on winch model x S1 - Continuous service operating at constant load of duration N sufficient in order to reach a thermal balance x S3 - Periodic intermittent service sequence of identical operating cycles each including a period of constant load N and a rest period R In this type of service the cycle is such that start-up does not significantly affect the peak temperature In view of these elements Total time for lifting 8 minutes With a S3 50 % motor the motor can only be used for 5 minutes in any 10-minute period So first lift for 5 minutes then rest for 5 minutes and finish lifting the load for 3 minutes Example Data Speed of the winch = 5 m/min Lifting height = 40 m Motor S3 50% N Steady load operating time R Rest time θ max Maximum temperature achieved during the cycle The brief service indication is given by the percentage ratio of intermittency with respect to the time period in question N + R = 10 minutes Operating factor = N / N+R x IP CODE This is the protection index for the enclosures of electrical equipment According to standards the IP code consists of 2 digits First digit Degree of protection against solid objects Second digit Degree of protection against water X means no data is available to specify a protection rating x First digit Solid foreign objects protection x Second digit Liquids ingress protection 0 No protection 0 No protection 1 Protected against solid objects with a diameter of 50 mm and more e.g </p><p>inadvertent hand contact 1 Protected against water drops falling vertically condensation 2 Protected against solid objects with 2 Protected against water drops from directions within a range a diameter of 12 mm and more e.g </p><p>fingers of 15 relative to the vertical plane 3 Protected against raindrops from direction within a range of 60 relative to the vertical plane 3 Protected against solid objects with a diameter of 2.5 </p><p>mm e.g </p><p>tools 4 Protected against solid objects with a diameter of 1 mm e.g </p><p>wire 4 Protected against ingress of splashes from all directions 5 Protected against powdery dust no damaging deposit 5 Protected against water jet from all directions 6 Protected against dust penetration 6 Protected against strong water jet such as ocean waves 7 Protected against temporary immersion in water up to 1 m 8 Protected against continuous immersion in over one meter of water Example Data IP 55 motor In view of these elements 5 Motor protected against dust and accidental contact 5 Motor protected against jets of water from all directions GENERAL 99 </p> </main> <aside> <ul> <li><a href='https://www.huchez.com/interactive-catalog/'>Interactive digital catalogue HUCHEZ 2025 - Winches and Lifting for professionals</a></li> </ul> </aside> <footer> <table width="100%"> <tr> <td width="100%"><a href="http://www.interactiv-technologies.com/interactiv-doc">Interactiv' Doc</a></td> </tr> </table> <ul> <li><a href="./sitemap.html">Plan du site</a></li> </ul> </footer> </article>