{"id":1517,"date":"2020-05-10T11:34:50","date_gmt":"2020-05-10T11:34:50","guid":{"rendered":"https:\/\/gipro.com\/?p=1517"},"modified":"2026-03-16T11:50:12","modified_gmt":"2026-03-16T11:50:12","slug":"20200510-third-rail-insulator-testing","status":"publish","type":"post","link":"https:\/\/gipro.com\/en\/20200510-third-rail-insulator-testing\/","title":{"rendered":"Third-Rail Insulators don&#8217;t crack"},"content":{"rendered":"<div id=\"standard-text-block_3451c92d08712975e352ed44e06b15ae\" class=\"standard-text-module alignfull single-column\">\n    <div class=\"container\">\n                    <h2 class=\"module-headline\">In an impressive short-circuit-test<\/h2>\n                <div class=\"standard-text-wrapper\">\n            <div class=\"text-content-column\">\n                                    <div class=\"module-text\"><article class=\"intro-text\">\n<div class=\"wrap\">\n<div class=\"text-container\">\n<p>Pandrol and Railtech Alu Singen are world-leaders in installation of electrical supply of trains and especially metro systems. They focus on third-rail electrification systems for safe power supply of public and urban transport systems. Pandrol asked GIPRO to work on a cycloaliphatic cast-resin insulator for outdoor usage in a new power-rail system.<\/p>\n<p>Together the part was defined, casting-mould was made and the new insulators were sampled and intensively type tested according several standards and requirements.<\/p>\n<p>Get more information about GIPRO&#8217;s\u00a0<strong>&gt;&gt;\u00a0<a href=\"https:\/\/gipro.com\/en\/insulators\/third-rail-insulators\/\" target=\"_blank\" rel=\"noopener\">Powerrail-Insulators<\/a><\/strong>.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"blog-slider-container\">\n<div class=\"blog-slideshow gallery-js-ready autorotation-disabled\">\n<div class=\"slideset\">\n<div class=\"slide slideitem active\">\n<div class=\"inner\">\n<div class=\"image-container format-4-3\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n                                            <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n\n\n        <div id=\"single-slider-block_59f18ef6bbe53e75b95357f8387d57d0\" class=\"single-slider-module alignfull\">\r\n            <div class=\"swiper-container single-image-swiper-69fccce105dec\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <figure>\r\n                                <img decoding=\"async\" src=\"https:\/\/gipro.com\/wp-content\/uploads\/2020\/05\/916_6_Gipro_Pandrol_third-Rail-Insulator_impressive_short_circuit_test_slider.jpg\" alt=\"Short Circuit Test on Third-Rail System\" title=\"Short Circuit Test on Third-Rail System\" loading=\"lazy\">\r\n                                                                    <figcaption class=\"swiper-caption\">Impressive fireworks but no damage at insulators<\/figcaption>\r\n                                                            <\/figure>\r\n                        <\/div>\r\n                                            <div class=\"swiper-slide\">\r\n                            <figure>\r\n                                <img decoding=\"async\" src=\"https:\/\/gipro.com\/wp-content\/uploads\/2020\/05\/918_6_Gipro_Pandrol_third-Rail-Insulator_test_setup_slider.jpg\" alt=\"Test-Setup for Short-Circuit-Test of Power-Rail System\" title=\"Test-Setup for Short-Circuit-Test of Power-Rail System\" loading=\"lazy\">\r\n                                                                    <figcaption class=\"swiper-caption\">Third-rail insulators test-setup<\/figcaption>\r\n                                                            <\/figure>\r\n                        <\/div>\r\n                                            <div class=\"swiper-slide\">\r\n                            <figure>\r\n                                <img decoding=\"async\" src=\"https:\/\/gipro.com\/wp-content\/uploads\/2020\/05\/915_6_Gipro_Pandrol_Singapore_metro_conductor_rail_track_slider.jpg\" alt=\"Rail Track of Metro Singapore\" title=\"Rail Track of Metro Singapore\" loading=\"lazy\">\r\n                                                                    <figcaption class=\"swiper-caption\">The metro system in Singapore<\/figcaption>\r\n                                                            <\/figure>\r\n                        <\/div>\r\n                                            <div class=\"swiper-slide\">\r\n                            <figure>\r\n                                <img decoding=\"async\" src=\"https:\/\/gipro.com\/wp-content\/uploads\/2025\/05\/BTE10-Third-Rail-Insulator-Cycloaliphatic-Epoxy-GIPRO.jpg\" alt=\"Dritte Schiene Isolator GIPRO\" title=\"Dritte Schiene Isolator GIPRO\" loading=\"lazy\">\r\n                                                                    <figcaption class=\"swiper-caption\">GIPRO powerrail insulators made for Pandrol<\/figcaption>\r\n                                                            <\/figure>\r\n                        <\/div>\r\n                                            <div class=\"swiper-slide\">\r\n                            <figure>\r\n                                <img decoding=\"async\" src=\"https:\/\/gipro.com\/wp-content\/uploads\/2020\/05\/917_6_Gipro_Pandrol_third-Rail-Insulator_installed_slider.jpg\" alt=\"Third-Rail-Claw and Insulator installed\" title=\"Third-Rail-Claw and Insulator installed\" loading=\"lazy\">\r\n                                                                    <figcaption class=\"swiper-caption\">Cycloaliphatic insulator with claw<\/figcaption>\r\n                                                            <\/figure>\r\n                        <\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n            \r\n            <!-- Navigation arrows outside swiper-container -->\r\n            <div class=\"swiper-button-prev single-image-swiper-69fccce105dec-prev\"><\/div>\r\n            <div class=\"swiper-button-next single-image-swiper-69fccce105dec-next\"><\/div>\r\n        <\/div>\r\n        \r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var singleImageSwiper = new Swiper('.single-image-swiper-69fccce105dec', {\r\n                loop: true,\r\n                slidesPerView: 1,\r\n                spaceBetween: 0,\r\n                autoHeight: true,\r\n                navigation: {\r\n                    nextEl: '.single-image-swiper-69fccce105dec-next',\r\n                    prevEl: '.single-image-swiper-69fccce105dec-prev',\r\n                },\r\n                autoplay: {\r\n                    delay: 4000,\r\n                    disableOnInteraction: false,\r\n                },\r\n                effect: 'fade',\r\n                fadeEffect: {\r\n                    crossFade: true\r\n                },\r\n                speed: 800,\r\n            });\r\n        });\r\n        <\/script>\r\n    \n\n<div id=\"standard-text-block_54f3d859a8702b0b1f7f38bb36c0ebd4\" class=\"standard-text-module alignfull single-column\">\n    <div class=\"container\">\n                <div class=\"standard-text-wrapper\">\n            <div class=\"text-content-column\">\n                                    <div class=\"module-text\"><div class=\"teaser-container\">\n<blockquote><p>A &#8220;must have&#8221; supplier in your panel &#8230;<br \/>\nThey provided us a pretty good impression during our first contacts, this was 100% confirmed by first business we made together and by my personnal visit in their factory in Austria.\u00a0Quite reactive, even if we sometimes we are requesting short lead time. Quality of products is really good and GiPro&#8217;s always can adapts to your needs.<br \/>\n(Third Rail Projects Director at Pandrol)<\/p><\/blockquote>\n<\/div>\n<h2>A 120 kA short-circuit-test doesn&#8217;t harm GIPRO insulators<\/h2>\n<div class=\"text-container\"><\/div>\n<div class=\"blog-video-container\">\n<div class=\"row-flex align-items-end\">\n<div class=\"col-12-flex col-lg-8-flex\">\n<div class=\"iframe-container format-16-9\">\n<div class=\"text-container\">\n<p>Two tests were performed:<\/p>\n<ul>\n<li>120 kA AC for 15ms at 2 tons shock measured on the insulators with no damage<\/li>\n<li>120 kA DC for 15ms at 3 tons shock measured on the insulators with no damage.<\/li>\n<\/ul>\n<p>These tests show evidence, that cycloaliphatic epoxy insulators are well suitable for the usage in third-rail metro systems. Not in all markets this is clear today, as many authorities are still orientated mostly on polyester insulators, as some are worried about expected brittleness of epoxy insulators.<\/p>\n<p>Some material tests like impact strenght according ASTM D256 show big difference between the performance of polyester material samples compared to cast-resin material samples. But the test is just done on a very small slice of material and the polyester performs better, as it is filled with glas-fibres, while the CER-Insulator is filled with silica flour.<\/p>\n<p>Nevertheless GIPRO recommends to give a focus on the overall mechanical performance of the complete insulator design and not on the value of a small material slice.<\/p>\n<p>The complete GIPRO third-rail insulator easily outperformed the mechanical values in the type tests: the required tensile value was outperformed 10 times and the required bending value 3 times.<\/p>\n<p>Additionally a lot of material tests were done like fire &amp; smoke testings. The flammability according UL 94 was proven as V0 (13mm) and the rate of horizontal burn according\u00a0ASTM D635 was found self extinguishing.<\/p>\n<p>Get more information about GIPRO&#8217;s\u00a0<strong>&gt;&gt;\u00a0<a href=\"https:\/\/gipro.com\/en\/insulators\/third-rail-insulators\/\" target=\"_blank\" rel=\"noopener\">Powerrail-Insulators<\/a><\/strong>.<\/p>\n<p>Check out the short-circuit-test video here:<\/p>\n<\/div>\n<div class=\"blog-video-container\">\n<div class=\"row-flex align-items-end\">\n<div class=\"col-12-flex col-lg-8-flex\">\n<div class=\"iframe-container format-16-9\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n                                            <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n\n\n<div id=\"youtube-module-block_0ee5c6ff7114292c21484b1a0739bd41\" class=\"youtube-module alignfull\">\n    <div class=\"container\">\n        <div class=\"youtube-video-wrapper\">\n        \n                 <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"youtube-content-blocker\" data-borlabs-cookie-content=\"PGlmcmFtZSBjbGFzcz0idmlkZW8geXQtdmlkZW8iIAogICAgICAgICAgICAgICAgICAgIHNyYz0iaHR0cHM6Ly93d3cueW91dHViZS1ub2Nvb2tpZS5jb20vZW1iZWQvcDA4Z1hoMnRYb1k\/Y29udHJvbHM9MSZyZWw9MCIgCiAgICAgICAgICAgICAgICAgICAgZnJhbWVib3JkZXI9IjAiIAogICAgICAgICAgICAgICAgICAgIGFsbG93PSJhY2NlbGVyb21ldGVyOyBhdXRvcGxheTsgY2xpcGJvYXJkLXdyaXRlOyBlbmNyeXB0ZWQtbWVkaWE7IGd5cm9zY29wZTsgcGljdHVyZS1pbi1waWN0dXJlOyB3ZWItc2hhcmUiIAogICAgICAgICAgICAgICAgICAgIGFsbG93ZnVsbHNjcmVlbj4KICAgICAgICAgICAgICAgIDwvaWZyYW1lPg==\"><div class=\"brlbs-cmpnt-cb-preset-c brlbs-cmpnt-cb-youtube\"> <div class=\"brlbs-cmpnt-cb-thumbnail\" style=\"background-image: url('https:\/\/gipro.com\/wp-content\/uploads\/borlabs-cookie\/1\/yt_p08gXh2tXoY_hqdefault.jpg')\"><\/div> <div class=\"brlbs-cmpnt-cb-main\"> <div class=\"brlbs-cmpnt-cb-play-button\"><\/div> <div class=\"brlbs-cmpnt-cb-content\"> <p class=\"brlbs-cmpnt-cb-description\">You are currently viewing a placeholder content from <strong>YouTube<\/strong>. To access the actual content, click the button below. Please note that doing so will share data with third-party providers.<\/p> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">More Information<\/a> <\/div> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Unblock content<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: inherit\">Accept required service and unblock content<\/a> <\/div> <\/div> <\/div><\/div>\n                        <\/div>\n    <\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Pandrol and Railtech Alu Singen are world-leaders in installation of electrical supply of trains and especially metro systems. They focus on &#8230;<\/p>\n","protected":false},"author":3,"featured_media":806,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"class_list":["post-1517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Third-Rail Insulators don&#039;t crack - Gipro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gipro.com\/en\/20200510-third-rail-insulator-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Third-Rail Insulators don&#039;t crack - Gipro\" \/>\n<meta property=\"og:description\" content=\"Pandrol and Railtech Alu Singen are world-leaders in installation of electrical supply of trains and especially metro systems. 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