{"id":8398,"date":"2026-05-23T15:05:28","date_gmt":"2026-05-23T12:05:28","guid":{"rendered":"https:\/\/altal.md\/?post_type=product&#038;p=8398"},"modified":"2026-05-30T22:35:56","modified_gmt":"2026-05-30T19:35:56","slug":"tb-terminal-block-tb-4503","status":"publish","type":"product","link":"https:\/\/altal.md\/en\/bloc-terminal-tb-4503\/","title":{"rendered":"Bloc terminal TB-4503"},"content":{"rendered":"<h2>Bloc terminal TB-4503<\/h2>\n<p data-start=\"0\" data-end=\"305\">Terminal block TB-4503 45A 3P 600V is mainly used to connect conductors for transmitting energy in the circuit. Terminal blocks differ in the method of assembly and construction. Unlike the classic twisting of wires, they do not require much time and additional materials for installation.<\/p>\n<p data-start=\"307\" data-end=\"469\">The terminal block consists of a carbolite base and high-quality alkaline brass busbars, fitted with screws and metal plates (clamps).<\/p>\n<h3 data-section-id=\"1him2k9\" data-start=\"471\" data-end=\"488\">Features<\/h3>\n<ul data-start=\"490\" data-end=\"711\">\n<li data-section-id=\"1jwxfvg\" data-start=\"490\" data-end=\"514\">with protective cap;<\/li>\n<li data-section-id=\"92rcsh\" data-start=\"515\" data-end=\"540\">maximum voltage: 600 V;<\/li>\n<li data-section-id=\"2se3hj\" data-start=\"541\" data-end=\"562\">maximum current: 45 A;<\/li>\n<li data-section-id=\"oeyffj\" data-start=\"563\" data-end=\"602\">product dimensions: 70 \u00d7 38 \u00d7 23.5 mm;<\/li>\n<li data-section-id=\"zgg2k2\" data-start=\"603\" data-end=\"644\">3 poles for connecting conductors;<\/li>\n<li data-section-id=\"e6m75b\" data-start=\"645\" data-end=\"684\">provided with 2 holes for fixing;<\/li>\n<li data-section-id=\"1n39oe6\" data-start=\"685\" data-end=\"711\">protection degree: IP20.<\/li>\n<\/ul>\n<p data-start=\"713\" data-end=\"969\" data-is-last-node=\"\" data-is-only-node=\"\">An important advantage of using this TB-4503 Terminal Block is the possibility of connecting aluminum and copper conductors. To avoid possible oxidation, only one conductor is inserted under each fixing screw, without direct contact between the wires.<\/p>\n<ul>\n<li><span style=\"color: #008080;\"><strong><a style=\"color: #008080;\" href=\"https:\/\/altal.md\/en\/tb-terminal-block-tb-3506\/\" target=\"_blank\" rel=\"noopener\">See other smaller sizes.<\/a><\/strong><\/span><\/li>\n<li><span style=\"color: #008080;\"><strong><a style=\"color: #008080;\" href=\"https:\/\/altal.md\/en\/tb-terminal-block-tb-4506\/\" target=\"_blank\" rel=\"noopener\">See other larger sizes.<\/a><\/strong><\/span><\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<div class=\"attrs-row\">\n<h2 class=\"attrs-name\"><span style=\"color: #800080;\">Model: TB-4503<\/span><\/h2>\n<ul>\n<li class=\"attrs-name\">Device type: Terminal block<\/li>\n<li class=\"attrs-name\">Clamp type: Screw clamp<\/li>\n<li class=\"attrs-name\">Conductor cross-section mm\u00b2:\u00a0 <strong>1,5-4.5 mm\u00b2<\/strong><\/li>\n<li class=\"attrs-name\">Number of contacts: 6 (2\u00d73) \u2013 <strong>M5<\/strong><\/li>\n<li class=\"attrs-name\">Rated current: <strong>45 A<\/strong><\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>","protected":false},"featured_media":8400,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[198],"product_cat":[873,183,987],"product_tag":[886,892,876,893],"class_list":["post-8398","product","type-product","status-publish","has-post-thumbnail","product_brand-altal","product_cat-blocuri-terminale-electrice","product_cat-catalog","product_cat-produse-electrice","product_tag-3p","product_tag-45a","product_tag-bloc-terminal","product_tag-tb-4503","product_shipping_class-greutate-mica","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/8398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=8398"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/8398\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/8400"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=8398"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_brand?post=8398"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_cat?post=8398"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_tag?post=8398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}