{"product_id":"x20tb12-b-r-x20-series-12-pin-push-in-terminal-block","title":"X20TB12 B\u0026R X20 Series 12-Pin Push-In Terminal Block","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20TB12 (X20TB12)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density 12-pin terminal block specifically engineered for the B\u0026amp;R X20 I\/O system. Designed to streamline cabinet assembly and field wiring, this module utilizes advanced push-in technology, allowing for tool-free installation of solid or ferruled copper conductors. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20TB12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as the critical physical interface between external field sensors\/actuators and the X20 electronics, ensuring a gas-tight, vibration-resistant connection. Its robust design is rated for operational environments ranging from standard industrial automation to high-power distribution, providing a reliable electrical path while maintaining the compact modularity that defines the B\u0026amp;R X20 architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20TB12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware is optimized for high-speed installation and long-term maintenance efficiency. The integrated \"Push-in\" terminal clamp mechanism requires a typical insertion force of only 10 N per contact, significantly reducing technician fatigue during large-scale deployments. To ensure maximum electrical conductivity and safety, this terminal block is strictly rated for use with copper wiring only. The internal contact geometry is designed to handle a nominal voltage of 240 VAC, with a maximum dielectric withstand capability of 300 VAC. Every contact point is engineered to support substantial current loads, ensuring that even power-intensive I\/O configurations remain stable without thermal degradation of the housing.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX20TB12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eB\u0026amp;R Industrial Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX20 System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Pins\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Technology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePush-in Terminal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInsertion Force\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTyp. 10 N per contact\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAcceptable Cable Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCopper Wires Only (No Aluminum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWire Stripping Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7 to 9 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e240 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 A per contact (Corrected Industry Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSame Day Delivery (Limited Stock)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use aluminum wires with the X20TB12 terminal block?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The X20TB12 is strictly designed for copper wires only. Using aluminum wires can lead to galvanic corrosion and increased contact resistance, which may result in localized overheating or connection failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this terminal block require a screwdriver for wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor solid wires or wires with ferrules, no tool is required; they can be pushed directly into the terminal. To remove a wire or to insert fine-stranded wires without ferrules, a standard small flat-head screwdriver is used to depress the release lever.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the correct stripping length for the field wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor an optimal gas-tight connection, wires should be stripped to a length between 7 mm and 9 mm. Stripping too short may result in the insulation being clamped, while stripping too long leaves exposed live copper, increasing the risk of short circuits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Precision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen preparing cables for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20TB12\u003c\/strong\u003e, ensure that the wire ends are clean and straight. If using ferrules, select the correct crimping profile (square or hexagonal) to ensure the ferrule fits smoothly into the 12-pin layout without stressing the neighboring terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVibration Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe push-in mechanism is inherently vibration-resistant. However, in high-vibration environments such as marine propulsion or stamping presses, ensure that the incoming cable harness is properly strain-relieved within 10 cm of the terminal block to prevent mechanical leverage from weakening the internal spring contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Clearance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGiven the 240 VAC nominal rating, ensure that wiring for high-voltage signals is physically separated from low-voltage DC signals within the cable trunking to prevent inductive coupling and ensure compliance with local electrical safety codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53102124433771,"sku":"X20TB12(SAME DAY DELIVERY)","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/x20tb12-samedaydelivery-rbj4rw3va5y.png?v=1776138232","url":"https:\/\/www.plcprotech.com\/products\/x20tb12-b-r-x20-series-12-pin-push-in-terminal-block","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}