{"product_id":"abb-cma121-3dde300401-dc-power-supply-module","title":"ABB CMA121 3DDE300401 DC Power Supply Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe ABB CMA121 (3DDE300401) is a specialized DC power supply module engineered for industrial automation and distributed control system (DCS) architectures. Designed to deliver reliable and regulated DC power to sensitive logic and control circuits, this unit ensures stable operation within demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eThe module functions as a high-efficiency DC\/DC power converter, accepting a standard industrial input voltage range and providing a tightly regulated low-voltage output. It integrates seamlessly into standard control cabinets, making it an ideal choice for powering internal rack components, digital I\/O loops, and associated instrumentation.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWide input voltage tolerance supporting standard industrial 24V DC infrastructure\u003c\/li\u003e\n  \u003cli\u003ePrecisely regulated low-voltage DC output for sensitive electronic logic circuits\u003c\/li\u003e\n  \u003cli\u003eGalvanic isolation between input and output stages to prevent ground loops and protect downstream components\u003c\/li\u003e\n  \u003cli\u003eCompact modular construction optimized for standard DIN rail or panel mounting within control enclosures\u003c\/li\u003e\n  \u003cli\u003eDesigned for high-reliability continuous operation in industrial temperature ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDistributed Control Systems (DCS) power distribution\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation and motor control panels\u003c\/li\u003e\n  \u003cli\u003eProcess control instrumentation power conditioning\u003c\/li\u003e\n  \u003cli\u003eOEM machinery and control cabinet manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eABB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eDC Power Supply Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel \/ Ordering Code\u003c\/td\u003e\n      \u003ctd\u003eCMA121 \/ 3DDE300401\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e18 to 32 V DC (24 V DC nominal)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Voltage\u003c\/td\u003e\n      \u003ctd\u003e5 V DC regulated\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaximum Output Current\u003c\/td\u003e\n      \u003ctd\u003e4 A (20 W)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEfficiency\u003c\/td\u003e\n      \u003ctd\u003eGreater than 85 percent\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIsolation\u003c\/td\u003e\n      \u003ctd\u003e500 V DC input-to-output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting Type\u003c\/td\u003e\n      \u003ctd\u003eDIN Rail \/ Panel Mount\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eSweden\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions\u003c\/td\u003e\n      \u003ctd\u003e2.8 x 18.5 x 12.8 cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNet Weight\u003c\/td\u003e\n      \u003ctd\u003e0.54 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eVerify the ABB CMA121 part number and order code against system design requirements before unboxing.\u003c\/li\u003e\n  \u003cli\u003eEnsure all incoming power sources to the cabinet are fully de-energized and locked out prior to handling wiring.\u003c\/li\u003e\n  \u003cli\u003eInspect the module housing and terminals for any transit damage or contamination.\u003c\/li\u003e\n  \u003cli\u003eSecurely mount the module onto the designated mounting rail or backplane within the control enclosure.\u003c\/li\u003e\n  \u003cli\u003eConnect input power and output load lines to the corresponding terminal blocks, ensuring proper polarity and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eRestore system power and verify output voltage levels using a calibrated multimeter before connecting downstream logic loads.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668583805291,"sku":"CMA121 3DDE300401","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-cma121-3dde300401-dc-power-supply-module-cgxdhq1o2d5_a65ae51d-0d32-4774-9c31-a4e636571bef.jpg?v=1765532975","url":"https:\/\/www.plcprotech.com\/products\/abb-cma121-3dde300401-dc-power-supply-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}