{"id":4563,"date":"2026-03-23T09:32:07","date_gmt":"2026-03-23T01:32:07","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&#038;p=4563"},"modified":"2026-04-12T07:24:31","modified_gmt":"2026-04-11T23:24:31","slug":"barrier-strip","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/hi\/products\/barrier-strip\/","title":{"rendered":"Tin-Plated Brass Barrier Strip 2 4 6 8-Pole High-Conductivity Terminal Block for OEM Customization"},"content":{"rendered":"<h2>What is a Barrier Strip?<\/h2>\n<p class=\"ds-markdown-paragraph\">A barrier strip, also known as a barrier terminal block, is a screw-type electrical connector featuring multiple terminals arranged in a row with raised insulating walls (barriers) between each connection point\u00a0. These barriers prevent adjacent wires from contacting each other, reducing short-circuit risk and providing organized, isolated connections for multiple circuits\u00a0.<\/p>\n<hr \/>\n<h2>Material<\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Terminal (Conductor):<\/strong>\u00a0Brass or copper alloy for high conductivity and mechanical strength\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Screw \/ Fastener:<\/strong>\u00a0Steel, typically nickel-plated or zinc-plated for corrosion resistance. Common sizes include M3, M3.5, #6-32\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Housing (Insulator):<\/strong>\u00a0Thermoplastic materials such as polyamide (PA66) or black thermoplastic. Must meet UL 94 V-0 flammability rating for self-extinguishing properties\u00a0.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Surface Finishes<\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tin Plating:<\/strong>\u00a0Applied to brass terminals to prevent oxidation, maintain solderability, and ensure low contact resistance\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Nickel Plating:<\/strong>\u00a0Used on steel screws for enhanced corrosion protection and durability\u00a0.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Specifications<\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Pitch (Center-to-Center Spacing):<\/strong>\u00a06.35mm to 17.46mm; common sizes include 9.53mm and 9.5mm\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Current Rating:<\/strong>\u00a0Ranges from 10A to 65A depending on size and material; typical industrial rating is 20A\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Voltage Rating:<\/strong>\u00a0300V, 600V, or up to 750V for industrial applications\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Wire Range:<\/strong>\u00a022 AWG to 12 AWG (common); some heavy-duty models accept larger gauges\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Temperature Range:<\/strong>\u00a0-40\u00b0C to +105\u00b0C (standard); up to +120\u00b0C for high-performance variants\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Number of Circuits (Poles):<\/strong>\u00a01 to 32 positions per strip\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Torque Rating:<\/strong>\u00a0M3.5 screws typically rated at 0.8 Nm maximum\u00a0.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Primary Applications<\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Industrial Control Panels:<\/strong>\u00a0Organizes wiring for PLCs, motor controls, and variable frequency drives (VFDs)\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>HVAC Systems:<\/strong>\u00a0Connects thermostats, sensors, and control relays\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Power Distribution Units:<\/strong>\u00a0Safely distributes power to multiple devices with isolated circuits\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Lighting Systems:<\/strong>\u00a0Commercial and residential lighting fixture connections\u00a0.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Telecommunications &amp; Instrumentation:<\/strong>\u00a0Filtered barrier strips for EMI\/RFI suppression in sensitive equipment\u00a0.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Best Practice Application Example<\/h2>\n<p class=\"ds-markdown-paragraph\">An MRO technician is wiring a new industrial control panel. A\u00a0<strong>TE Connectivity 6-position double-row barrier strip, 9.53mm pitch, 20A, 300V<\/strong>\u00a0is selected\u00a0. The brass, tin-plated terminals accept 14 AWG stranded wire. The technician strips wires to 7mm, inserts each into its designated terminal, and tightens M3 steel nickel-plated screws to spec. The UL 94 V-0 thermoplastic housing and dual barriers prevent adjacent circuit contact. The closed-bottom design mounts directly to the panel. The finished panel meets NEC and UL 508A standards with organized, serviceable connections.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-4569 lazyload\" data-src=\"https:\/\/machinedwasher.com\/wp-content\/uploads\/2026\/03\/1688_image_share_c4bf009f731c95991659ac220e2c5aca.jpg\" alt=\"\" width=\"210\" height=\"210\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 210px; --smush-placeholder-aspect-ratio: 210\/210;\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Tin-Plated Brass Barrier Strip 2 4 6 8-Pole High-Conductivity Terminal Block for OEM Customization<\/p>","protected":false},"featured_media":4567,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[35],"product_tag":[3411,3500,3432,3501,3504,3505,3512,3506,3507,3510,3413,3508,3417,3509,3513,3502,3503,3514,3511],"class_list":{"0":"post-4563","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-machined-screws","7":"product_tag-barrier-strip","8":"product_tag-barrier-strips","9":"product_tag-barrier-terminal-block","10":"product_tag-barrier-terminal-blocks","11":"product_tag-barrier-terminal-strip","12":"product_tag-barrier-terminal-strips","13":"product_tag-connector-barrier-strip","14":"product_tag-dual-barrier-strip","15":"product_tag-dual-barrier-strips","16":"product_tag-electrical-barrier-strip","17":"product_tag-power-distribution-block","18":"product_tag-power-distribution-blocks","19":"product_tag-screw-terminal-block","20":"product_tag-screw-terminal-blocks","21":"product_tag-shower-barrier-strip","22":"product_tag-terminal-block","23":"product_tag-terminal-blocks","24":"product_tag-thermal-barrier-strip","25":"product_tag-water-barrier-strip","27":"first","28":"instock","29":"shipping-taxable","30":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/product\/4563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/comments?post=4563"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/media\/4567"}],"wp:attachment":[{"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/media?parent=4563"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/product_brand?post=4563"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/product_cat?post=4563"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/machinedwasher.com\/hi\/wp-json\/wp\/v2\/product_tag?post=4563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}