{"version":"1.0","provider_name":"TechEnergoCom","provider_url":"https:\/\/techenergocom.cz\/en\/","author_name":"seo@general.energy","author_url":"https:\/\/techenergocom.cz\/en\/blog\/author\/seogeneral-energy\/","title":"Surge arresters - TechEnergoCom","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MpQnRyS2Oy\"><a href=\"https:\/\/techenergocom.cz\/en\/products\/obmezhuvachi-perenaprugy\/\">Surge arresters<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/techenergocom.cz\/en\/products\/obmezhuvachi-perenaprugy\/embed\/#?secret=MpQnRyS2Oy\" width=\"600\" height=\"338\" title=\"&#8220;Surge arresters&#8221; &#8212; TechEnergoCom\" data-secret=\"MpQnRyS2Oy\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\r\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/techenergocom.cz\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/techenergocom.cz\/wp-content\/uploads\/2026\/10\/obmezhuvachiv-perenaprugy-dlya-vysokovoltnyh-merezh-640x648.avif","thumbnail_width":600,"thumbnail_height":608,"description":"Surge arresters are designed to protect high-voltage equipment and power infrastructure from transient overvoltages caused by atmospheric discharges, switching operations, or emergency conditions in the power grid. They ensure the stable operation of power lines, transformers, substations, and other critical equipment, minimizing the risk of damage and downtime. Surge arresters are installed in high-voltage networks"}