{"product_id":"tb-4503-barrier-terminal-block","title":"3-Position 45A 600V Barrier Screw Terminal Block - TB-4503","description":"\u003cdiv class=\"pevxi-story\"\u003e\n\u003cnav class=\"pevxi-story-nav\"\u003e\u003ca href=\"#pevxi-applications\"\u003eApplications\u003c\/a\u003e\u003ca href=\"#pevxi-size\"\u003eModel \u0026amp; specifications\u003c\/a\u003e\u003ca href=\"#pevxi-workflow\"\u003eHandling\u003c\/a\u003e\u003ca href=\"#pevxi-bulk\"\u003eQuick order\u003c\/a\u003e\u003c\/nav\u003e\u003csection id=\"pevxi-applications\" class=\"pevxi-story-section pevxi-story-grid\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/3282\/9186\/files\/pevxi-tb-barrier-5f717ca52b5dc2-04-application.jpg?v=1794134439\" width=\"1200\" height=\"1200\" loading=\"lazy\" alt=\"3-Position 45A 600V Barrier Screw Terminal Block - TB-4503 04-application\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e3-Position 45A 600V Barrier Screw Terminal Block - TB-4503\u003c\/h2\u003e\n\u003cp\u003eChoose the actual current series and number of independent circuits for panel wiring. Each position has two screws on one independent connection.\u003c\/p\u003e\n\u003ch3\u003eIncluded in one base unit\u003c\/h3\u003e\n\u003cp\u003eOne complete TB-4503 dual-row terminal block with clear protective cover. Wires, mounting screws and tools are not included.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/tb-barrier-family\"\u003eCompare matching products in this family\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"pevxi-size\" class=\"pevxi-story-section pevxi-story-grid\"\u003e\u003cdiv\u003e\n\u003ch2\u003eModel \u0026amp; specifications\u003c\/h2\u003e\n\u003ctable class=\"pevxi-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ supply reference\u003c\/th\u003e\n\u003ctd\u003eTB-4503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommon model designation\u003c\/th\u003e\n\u003ctd\u003eTB4503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface \/ construction\u003c\/th\u003e\n\u003ctd\u003eDual-row screw terminal strip with clear protective cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied base unit\u003c\/th\u003e\n\u003ctd\u003eOne complete TB-4503 dual-row terminal block with clear protective cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody \/ cover\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier rating\u003c\/th\u003e\n\u003ctd\u003e45 A \/ 600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePositions \/ screw rows\u003c\/th\u003e\n\u003ctd\u003e3 independent circuits \/ dual row\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApprox. length (original SKU photo)\u003c\/th\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApprox. height (original SKU photo)\u003c\/th\u003e\n\u003ctd\u003e23.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApprox. width (original SKU photo)\u003c\/th\u003e\n\u003ctd\u003e38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductor section (original series table)\u003c\/th\u003e\n\u003ctd\u003e0.5–4 mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBlack unit SKU\u003c\/th\u003e\n\u003ctd\u003eTB-4503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eDimensions shown are approximate values from the original SKU photo. Electrical values are original supplier ratings; match the conductor and installation requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/3282\/9186\/files\/pevxi-tb-barrier-f1f32302839ed0-02-size.jpg?v=1794134439\" width=\"1200\" height=\"1200\" loading=\"lazy\" alt=\"3-Position 45A 600V Barrier Screw Terminal Block - TB-4503 02-size\"\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"pevxi-workflow\" class=\"pevxi-story-section pevxi-story-grid\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/3282\/9186\/files\/pevxi-tb-barrier-76adc6a54602c7-05-operation.jpg?v=1794134440\" width=\"1200\" height=\"1200\" loading=\"lazy\" alt=\"3-Position 45A 600V Barrier Screw Terminal Block - TB-4503 05-operation\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eIsolate. Wire. Inspect.\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the circuit and identify the correct model and interface size.\u003c\/li\u003e\n\u003cli\u003eMatch each circuit position and secure the conductor under its screw clamp.\u003c\/li\u003e\n\u003cli\u003eCheck for loose strands, verify secure connections and refit the protective cover.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003ePack choices: 1 \/ 5 \/ 20 complete blocks. Every block in a pack is the same model.\u003c\/p\u003e\n\u003cp\u003eThe wiring illustration is a TB-series connection example. The first image shows the exact supplied model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\u003cdiv id=\"pevxi-bulk\" class=\"pevxi-order-heading\"\u003e\n\u003ch2\u003eQuick order by exact SKU\u003c\/h2\u003e\n\u003cp\u003eQuantity counts packs. Pack prices already include the displayed 5% or 10% discount.\u003c\/p\u003e\n\u003cp\u003eShips from China · 5–7 calendar days preparation. \u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details\u003c\/a\u003e · \u003ca href=\"\/policies\/refund-policy\"\u003eReturns\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PEVXI","offers":[{"title":"1 Block","offer_id":50992893362434,"sku":"TB-4503","price":4.18,"currency_code":"USD","in_stock":true},{"title":"5 Blocks - Save 5%","offer_id":50992893395202,"sku":"TB-4503-5","price":19.86,"currency_code":"USD","in_stock":true},{"title":"20 Blocks - Save 10%","offer_id":50992893427970,"sku":"TB-4503-20","price":75.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/3282\/9186\/files\/pevxi-tb-barrier-94001c200e911e-01-black.jpg?v=1794220346","url":"https:\/\/pevxi.com\/products\/tb-4503-barrier-terminal-block","provider":"PEVXI","version":"1.0","type":"link"}