{"product_id":"siemens-6ep1931-2ec21-sitop-dc-ups-module","title":"Siemens 6EP1931-2EC21 SITOP DC UPS Module 24 V DC\/15 A DC UPS Module","description":"\u003cp\u003eThe Siemens SITOP 6EP1931-2EC21 is a 24 V DC uninterruptible power supply module rated for 15 A output current, drawing a 24 V\/16 A DC input and bridging the connected load through an external battery module during a mains interruption. It reaches 96.2% efficiency at rated output and switches from mains to battery automatically once the input voltage falls below its adjustable 22-25.5 V threshold.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6EP1931-2EC21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSITOP DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (22...29 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 A rated (+approx. 1 A with empty battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (normal and buffering mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 A rated, 0...15 A range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.7 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer Connection Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22...25.5 V, adjustable in 0.5 V steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency (rated output)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96.2% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency (battery operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Loss\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStartup Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 s typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20, Class III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature (operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25...+60 degrees C, natural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN rail EN 60715 35x7.5\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 x 125 x 125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMTBF (40 degrees C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e791,139 h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eEAC\u003c\/li\u003e\n\u003cli\u003eShipbuilding\u003c\/li\u003e\n\u003cli\u003eABS\u003c\/li\u003e\n\u003cli\u003eDNV\u003c\/li\u003e\n\u003cli\u003eEPD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThis is the 15 A-class module in the SITOP DC UPS line, sized for continuous loads up to 15 A, with the extra 1 A of input headroom reserved for battery charging rather than the load. It has no communication interface (design of interface: without), so status is read only through the floating relay contacts for OK, Alarm, and Bat\u0026gt;85% rather than over a network — choose the Ethernet\/PROFINET SITOP UPS1600 instead when remote diagnostics are required. The 22-25.5 V adjustable buffer threshold, set in 0.5 V steps, lets the switch-to-battery point be tuned ahead of a downstream PLC's own undervoltage cutoff.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003ePLC and control-rack power backup for critical loops, short mains-dropout ride-through on production lines, and bridging power during automatic transfer switch operation.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960761868571,"sku":"6EP1931-2EC21","price":306.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6ep1931-2ec21-sitop-dc-ups-module.png?v=1789681008","url":"https:\/\/stoklink.com\/products\/siemens-6ep1931-2ec21-sitop-dc-ups-module","provider":"Stoklink","version":"1.0","type":"link"}