1.0KDM스틸https://www.kdmsteel.com/korich600338<blockquote class="wp-embedded-content" data-secret="TNVsHV6qkI"><a href="https://www.kdmsteel.com/ko/dc-서지-보호-장치/">DC 서지 보호 장치</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.kdmsteel.com/ko/dc-서지-보호-장치/embed/#?secret=TNVsHV6qkI" width="600" height="338" title="“DC Surge Protective Device” — KDM Steel" data-secret="TNVsHV6qkI" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.kdmsteel.com/wp-includes/js/wp-embed.min.js </script>http://www.kdmsteel.com/wp-content/uploads/2024/02/DC-Surge-Protective-Device.png800450A DC surge protective device is designed to offer DC-powered systems and equipment protection from sudden spikes or surges in voltage. DC SPDs suppress or divert voltage surges preventing damage to sensitive electronic components, system failures, and even data loss. Working Principle Proper selection, installation, and maintenance of DC surge protective devices are necessary to […]