{"product_id":"siemens-6ep1931-2dc21-sitop-dc-ups-power-supply","title":"Siemens 6EP1931-2DC21 SITOP DC UPS Power Supply","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"358\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/siemens\"\u003eSiemens \u003c\/a\u003e6EP1931-2DC21 SITOP DC UPS \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003epower supply\u003c\/a\u003e is used in industrial 24 V DC power backup systems. Commonly installed in control panels, PLC systems, and automation lines requiring uninterrupted power supply. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and power continuity protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"360\" data-end=\"377\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"434\" data-end=\"737\"\u003eThe Siemens 6EP1931-2DC21 power supply is used in manufacturing plants, control systems, automation panels, and industrial facilities to provide buffered 24 V DC power to PLCs, HMIs, and critical control devices during power interruptions where continuous operation and system reliability are essential.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"859\" data-end=\"888\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"889\" data-end=\"1385\"\u003e• Manufacturer: Siemens\u003cbr data-start=\"912\" data-end=\"915\"\u003e• Model \/ Part Number: 6EP1931-2DC21\u003cbr data-start=\"951\" data-end=\"954\"\u003e• Product Type: SITOP DC UPS Module (Uninterruptible Power Supply)\u003cbr data-start=\"1020\" data-end=\"1023\"\u003e• Input Voltage: 24 V DC (22–29 V range)\u003cbr data-start=\"1063\" data-end=\"1066\"\u003e• Output Voltage: 24 V DC\u003cbr data-start=\"1091\" data-end=\"1094\"\u003e• Output Current: 6 A\u003cbr data-start=\"1115\" data-end=\"1118\"\u003e• Input Current: Approx. 6 A (+ charging current)\u003cbr data-start=\"1167\" data-end=\"1170\"\u003e• Charging Current: 0.2 A \/ 0.4 A\u003cbr data-start=\"1203\" data-end=\"1206\"\u003e• Buffering Mode: 24 V DC output maintained during power loss\u003cbr data-start=\"1267\" data-end=\"1270\"\u003e• Protection Rating: IP20\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e• Mounting: DIN rail\u003cbr data-start=\"1318\" data-end=\"1321\"\u003e• Weight: Approx. 0.4 kg \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1387\" data-end=\"1411\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1412\" data-end=\"1489\"\u003e• Siemens 6EP1931-2EC21\u003cbr data-start=\"1435\" data-end=\"1438\"\u003e• Siemens 6EP1931-2DC31\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• Siemens 6EP1931-2FC21\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":50558455316782,"sku":"New","price":362.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Y4731045-04.webp?v=1751592191","url":"https:\/\/plgautomation.com\/products\/siemens-6ep1931-2dc21-sitop-dc-ups-power-supply","provider":"PLG Automation ","version":"1.0","type":"link"}