The surge protective device provides line-to-line low residual voltage protection, for protection of LPZ0B to LPZ2 zones and subsequent zone boundaries. It can be used for protection of 2-wire, 3-wire and 4-wire 24Vdc transmitters, flow meters, RS-485, solenoid valves and other products.<\/p>\n
Ordering code:<\/strong>QF2-48-\u25a1 denotes 2-wire, QF3-48-\u25a1 denotes 3-wire, QF4-48-\u25a1 denotes 4-wire; \u25a1: N=1\/2″NPT, I=M20\u00d71.5, X\/Y\/Z are custom threads.<\/p>","protected":false},"excerpt":{"rendered":" 2-wire, 3-wire, 4-wire, etc. Function: line-to-line low residual voltage protection, for protection of LPZ0B to LPZ2 zones and subsequent zone boundaries.<\/p>","protected":false},"featured_media":8572,"template":"","meta":{"iifk_footer_enabled":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product-category":[26,16],"industry":[1894,45,68],"brand":[77],"class_list":["post-8574","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-signal-conditioning","product-category-spd","industry-1894","industry-petrochemical","industry-process-automation","brand-qison"],"_links":{"self":[{"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/product\/8574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/product\/8574\/revisions"}],"predecessor-version":[{"id":8575,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/product\/8574\/revisions\/8575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/media\/8572"}],"wp:attachment":[{"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/media?parent=8574"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/product-category?post=8574"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/industry?post=8574"},{"taxonomy":"brand","embeddable":true,"href":"https:\/\/www.qishan-sh.com\/en\/wp-json\/wp\/v2\/brand?post=8574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}