{"product_id":"siemens-lzs-pt78740","title":"LZS:PT78740","description":"\u003ch2\u003eOverview of Siemens LZS:PT78740\u003c\/h2\u003e\n\u003cp\u003eShop genuine Siemens LZS:PT78740 online for your automation system. This professional plug-in socket is designed for PT series relays, delivering reliable performance in demanding industrial environments. With 4 changeover contacts and screw terminal connections, the Siemens LZS:PT78740 ensures secure, long-lasting wiring—ready for monostable relay applications such as motor controls, process automation, and safety interlocks. Its snap-on rail mounting and compact footprint (28 mm W x 74 mm D) make it easy to install and integrate into control panels worldwide. Whether you're upgrading a production line or maintaining legacy equipment, buy Siemens LZS:PT78740 to benefit from Siemens engineering quality and global availability.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens LZS:PT78740\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with PT relays featuring 4 changeover contacts (4 CO, 2 NO \/ 2 NC)\u003c\/li\u003e\n  \u003cli\u003eSecure screw terminal connections for vibration-resistant wiring\u003c\/li\u003e\n  \u003cli\u003eSnap-on mounting for DIN rail—fast, tool-free installation\u003c\/li\u003e\n  \u003cli\u003eCompact size (28 mm W x 74 mm D) for space-saving panel layouts\u003c\/li\u003e\n  \u003cli\u003eRated for up to 250V AC and 6A, suitable for a wide range of control circuits\u003c\/li\u003e\n  \u003cli\u003eOperates reliably from -40°C to +70°C—ideal for harsh environments\u003c\/li\u003e\n  \u003cli\u003eIP20 protection keeps out large particles and fingers\u003c\/li\u003e\n  \u003cli\u003eUL listed, VDE approved, and CE certified for global compliance\u003c\/li\u003e\n  \u003cli\u003eDesigned for monostable relay configurations\u003c\/li\u003e\n  \u003cli\u003ePart of the trusted Siemens SIRIUS relay component line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of LZS:PT78740\u003c\/h2\u003e\n\u003cp\u003eReview Siemens LZS:PT78740 specifications covering voltage, I\/O, and communication. Below is a summary of technical parameters:\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eParameter\u003c\/th\u003e\n    \u003cth\u003eValue\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContact Configuration\u003c\/td\u003e\n    \u003ctd\u003e4 changeover (2 NO \/ 2 NC)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTerminal Type\u003c\/td\u003e\n    \u003ctd\u003eScrew (0.5–0.7 N·m torque)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eVoltage Rating\u003c\/td\u003e\n    \u003ctd\u003e250V AC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCurrent Rating\u003c\/td\u003e\n    \u003ctd\u003e6A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting\u003c\/td\u003e\n    \u003ctd\u003eSnap-on, DIN rail\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eEnclosure\u003c\/td\u003e\n    \u003ctd\u003eIP20\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDimensions (WxD)\u003c\/td\u003e\n    \u003ctd\u003e28 mm x 74 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n    \u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWeight\u003c\/td\u003e\n    \u003ctd\u003e60 g\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens LZS:PT78740 is commonly used in industrial automation worldwide, where reliable switching and robust relay coupling are critical. Typical applications include control panels, machine automation, packaging lines, conveyor drives, safety circuits, and process control systems. Its versatile switching capability with 4 changeover contacts makes it a top choice for both new installations and maintenance upgrades, ensuring your automation systems run smoothly with Siemens quality and durability.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eSee Siemens LZS:PT78740 pricing and stock status through LeadTime.ca. Click to request a quote or add to cart for fast worldwide dispatch, competitive volume pricing, and real-time inventory updates.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll products on LeadTime.ca are genuine, supplied by trusted distributors, and available for worldwide shipping. Contact us for bulk order pricing, technical support, and fast global delivery. Buy online with fast global shipping and experience unmatched customer service from the automation specialists at LeadTime.ca.\u003c\/p\u003e\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/siemens\"\u003eBrowse Siemens PLCs, Drives \u0026amp; Automation Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-plc-programming-basics\"\u003eSiemens PLC programming guide\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-io-errors\"\u003eTroubleshooting Siemens TIA Portal I\/O errors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-drive-parameter-setup\"\u003eSiemens drive parameter setup reference\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796161085739,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_d6e5cb84-061c-4148-91ce-c86e8de29d37.png?v=1723554185","url":"https:\/\/leadtime.ca\/products\/siemens-lzs-pt78740","provider":"LEADTIME","version":"1.0","type":"link"}