{"product_id":"siemens-6ep1437-2ba20-sitop-psu300s-24v-40a-power-supply","title":"Siemens 6EP1437-2BA20 SITOP PSU300S 400-500V 3AC 24V\/40A Power Supply","description":"\u003cp\u003eThe Siemens SITOP PSU300S (6EP1437-2BA20) is a stabilized DIN-rail power supply that converts 400-500 V three-phase AC input into a regulated 24 V DC output at up to 40 A. It delivers 960 W at 91.5% efficiency, includes a floating relay contact for a 24 V OK signal, and its output voltage is adjustable from 24 to 28 V via potentiometer for compensating cable drop.\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\u003e6EP1437-2BA20\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 PSU300S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-phase AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput voltage range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400-500 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz (47-63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 A at 400V \/ 1.7 A at 500V\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 (adjustable 24-28 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput current, rated\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput current range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-40 A (48 A up to 45 C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e960 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e91.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower loss, typ.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e89 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResidual ripple, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput voltage tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eelectronic shutdown, automatic restart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverload capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150% Iout rated up to 5s\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffering time, power failure, min.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGalvanic isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (SELV, ES1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection class IP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e145 x 145 x 150 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\u003e3.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMTBF at 40 C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500,000 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\u003eUKCA\u003c\/li\u003e\n\u003cli\u003eEAC\u003c\/li\u003e\n\u003cli\u003eCB\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\u003eThe 40 A rating and 960 W output put this at the top of the PSU300S 3AC range, sized for cabinets with multiple PLCs, drives, and I\/O racks on one 24 V bus rather than a single small load. The output accepts a 150% overload for up to 5 s per minute, which covers inrush from contactors and solenoids without nuisance shutdowns; automatic-restart short-circuit protection means it recovers on its own once the fault clears instead of requiring a manual reset.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSized for control cabinets and machine panels needing a single 24 V DC bus for PLCs, I\/O, drives, and sensors from a 400-500 V three-phase supply - typical in larger machine builds and process skids.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960761409819,"sku":"6EP1437-2BA20","price":486.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6ep1437-2ba20-sitop-psu300s-24v-40a-power-supply.png?v=1789664464","url":"https:\/\/stoklink.com\/products\/siemens-6ep1437-2ba20-sitop-psu300s-24v-40a-power-supply","provider":"Stoklink","version":"1.0","type":"link"}