{"product_id":"siemens-5sy4103-5","title":"5SY4103-5","description":"\u003ch2\u003eOverview of Siemens 5SY4103-5\u003c\/h2\u003e\n\u003cp\u003eShop genuine Siemens 5SY4103-5 for your automation system and enhance your panel protection with this high-performance supplementary circuit breaker. Designed for exacting industrial applications, the Siemens 5SY4103-5 delivers reliable, fast-acting protection for sensitive circuits, such as those involving semiconductors, PLCs, and delicate control devices. Engineered for DIN rail mounting, this single-pole, thermal magnetic trip protector features a low-inrush “A” curve, making it ideal for use alongside standard UL 489 branch circuit protection. Buy Siemens 5SY4103-5 to ensure selectivity and minimize downtime—locating faults quickly without disturbing adjacent circuits.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 5SY4103-5\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle pole, 3 A thermal magnetic trip with “A” curve for fast response to low inrush currents\u003c\/li\u003e\n  \u003cli\u003eCompact DIN rail mount design for easy installation in tight panel spaces\u003c\/li\u003e\n  \u003cli\u003eRated for 480 VAC with 10 kA interrupting capacity for robust protection\u003c\/li\u003e\n  \u003cli\u003eIP20 finger-safe, tool-free terminals align with strict German safety standards\u003c\/li\u003e\n  \u003cli\u003eUL 1077 listed for supplementary protection (not branch circuit protection)\u003c\/li\u003e\n  \u003cli\u003eExcellent current limiting and selectivity for precise fault isolation\u003c\/li\u003e\n  \u003cli\u003eSupports wire sizes 14–4 AWG for flexible installation\u003c\/li\u003e\n  \u003cli\u003eDesigned for the secondary side of control transformers, power supplies, and sensitive automation components\u003c\/li\u003e\n  \u003cli\u003eWide operating temperature range (-25°C to 45°C) for reliable performance in harsh environments\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions (90 mm H x 18 mm W x 70 mm D) for efficient use of panel real estate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of Siemens 5SY4103-5\u003c\/h2\u003e\n\u003cp\u003eReview Siemens 5SY4103-5 technical data for detailed parameters to ensure system compatibility before installation.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eFeature\u003c\/th\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eAmperage Rating\u003c\/td\u003e\n    \u003ctd\u003e3 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eVoltage Rating\u003c\/td\u003e\n    \u003ctd\u003e480 VAC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003ePoles\u003c\/td\u003e\n    \u003ctd\u003e1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTrip Type\u003c\/td\u003e\n    \u003ctd\u003eThermal\/Magnetic, A Curve\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWire Size\u003c\/td\u003e\n    \u003ctd\u003e14–4 AWG\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDimensions\u003c\/td\u003e\n    \u003ctd\u003e90 x 18 x 70 mm (H x W x D)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eBreaking Capacity\u003c\/td\u003e\n    \u003ctd\u003e10 kA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting\u003c\/td\u003e\n    \u003ctd\u003eDIN Rail\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd\u003eGermany\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 5SY4103-5 is commonly used in industrial automation and process control systems worldwide. Typical use cases include providing additional overcurrent protection for sensitive equipment such as PLCs, drives, power supplies, and semiconductor devices. The fast tripping “A” curve is especially valuable in applications requiring quick fault isolation without cascading outages—ideal for complex automation panels, production lines, and factory control systems. For a Siemens 5SY4103-5 review of real-world deployment, consult our automation experts.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 5SY4103-5 pricing and stock status online for fast worldwide dispatch.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll products on LeadTime.ca are genuine, sourced from verified suppliers, and available for worldwide shipping. Order now for worldwide delivery—trust the global leader in automation components and support.\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\"\u003eHow to Troubleshoot Siemens TIA Portal IO 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 Configuration Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47912611250475,"sku":null,"price":42.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/5SY4103-5.png?v=1707221465","url":"https:\/\/leadtime.ca\/products\/siemens-5sy4103-5","provider":"LEADTIME","version":"1.0","type":"link"}