{"product_id":"siemens-sitop-dc-ups-6ep1931-2fc21-uninterruptible-power-supply","title":"Siemens 6EP1931-2FC21 SITOP DC UPS Module 24V 40A","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6EP1931-2FC21 is a SITOP DC UPS module designed to provide a reliable 24 V DC\/40 A output during power failures. This module is engineered for integration with SITOP power supplies and external battery modules to ensure continuous operation of critical industrial processes. This specific model is a basic version without integrated communication interfaces, focusing on robust power buffering and operational readiness.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e24 V DC \/ 40 A output capacity\u003c\/li\u003e\n\u003cli\u003eInput voltage range: 22 V to 29 V DC\u003c\/li\u003e\n\u003cli\u003eStandard DIN rail mounting (EN 60715)\u003c\/li\u003e\n\u003cli\u003eHigh reliability with monitoring of operational readiness\u003c\/li\u003e\n\u003cli\u003eDesigned for bridging power failures in industrial control systems\u003c\/li\u003e\n\u003cli\u003eCompact design for control cabinet installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBottling and Packaging Plants: Maintains conveyor and filling control during power dips to prevent waste and mechanical jams.\u003c\/li\u003e\n\u003cli\u003eCranes and Hoists: Keeps safety control systems active during power loss for safe load positioning.\u003c\/li\u003e\n\u003cli\u003eIndustrial PCs (IPCs): Provides backup power to prevent data corruption and improper shutdowns.\u003c\/li\u003e\n\u003cli\u003eChemical and Water Treatment Plants: Ensures constant power for monitoring critical pressure, temperature, and chemical levels.\u003c\/li\u003e\n\u003cli\u003eWind Power Turbines: Powers obstruction lighting and diagnostic sensors during grid failures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e6EP1931-2FC21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC (Range: 22 - 29 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current\u003c\/td\u003e\n\u003ctd\u003e42 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffering Mode Output\u003c\/td\u003e\n\u003ctd\u003e19 - 28.5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Power (Typical)\u003c\/td\u003e\n\u003ctd\u003e960 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Current\u003c\/td\u003e\n\u003ctd\u003e1 A, 2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Increase Time\u003c\/td\u003e\n\u003ctd\u003e360 ms\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\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMount the device vertically on a 35mm DIN rail (EN 60715 35x15\/7.5) inside a control cabinet.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 50 mm above and below the unit to facilitate natural convection cooling.\u003c\/li\u003e\n\u003cli\u003eUse a cable cross-section of at least 10 mm² for the 24 V DC input (L+) to safely handle the 40 A load.\u003c\/li\u003e\n\u003cli\u003eEnsure correct polarity when connecting the external battery module to prevent damage to the internal fuse.\u003c\/li\u003e\n\u003cli\u003eAlways power down the system before performing wiring or maintenance on the module.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the 6EP1931-2FC21?\u003c\/h3\u003e\u003cp\u003eThe Siemens SITOP 6EP1931-2FC21 is a 24 V DC\/40 A uninterruptible power supply (UPS) module designed for bridging power failures. It is a basic model without communication interfaces for PC monitoring.\u003c\/p\u003e\u003ch3\u003eWhat is the input\/output voltage?\u003c\/h3\u003e\u003cp\u003eThe module operates with a 24 V DC nominal input and provides a 24 V DC output, with a buffering mode output range of 19 to 28.5 V DC.\u003c\/p\u003e\u003ch3\u003eDoes this unit have communication interfaces?\u003c\/h3\u003e\u003cp\u003eNo, this specific model (6EP1931-2FC21) does not include USB or other communication interfaces.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50834276548860,"sku":"6EP1931-2FC21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_a643141f-ef36-4d53-a06f-2842ef13e77b.jpg?v=1785549662","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-sitop-dc-ups-6ep1931-2fc21-uninterruptible-power-supply","provider":"Electronic PLC","version":"1.0","type":"link"}