{"product_id":"abb-sd834-3bsc610067r1-24v-dc-20a-power-supply-module","title":"ABB SD834 3BSC610067R1 24V DC 20A Power Supply Module","description":"\u003ch2 style=\"color: #003366; font-weight: bold; margin-bottom: 12px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333;\"\u003eThe \u003cstrong style=\"color: #003366;\"\u003eABB SD834 (Part Number: 3BSC610067R1)\u003c\/strong\u003e is a highly efficient, industrial-grade switch-mode power supply designed to deliver stabilized 24 V d.c. power to critical process automation systems. Engineered for high-reliability environments such as SELV (Safety Extra-Low Voltage) and PELV (Protected Extra-Low Voltage) applications, this robust 480W power module provides a nominal output current of 20 A. It supports a broad mains input voltage range, features automatic load sharing for parallel operation, and includes a built-in supervision relay to continuously monitor output status and system health.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eKey Advantages\u003c\/h2\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; padding-left: 20px; margin-bottom: 15px;\"\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eOutstanding Conversion Efficiency:\u003c\/strong\u003e Features a high energy-efficiency rating of up to 92.4% \/ 93.9%, minimizing thermal dissipation inside control cabinets and extending component lifespans.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eRobust Overload \u0026amp; Short Circuit Recovery:\u003c\/strong\u003e Utilizing an intelligent \"Hiccup\" protection mode (2s on, 17s off) for secondary short circuits, the module automatically recovers without requiring manual intervention or system resets.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eSuperior Power Hold-Up Capabilities:\u003c\/strong\u003e Engineered with premium internal storage capacitors to sustain output voltage during temporary mains sagging, providing critical hold-up times (e.g., up to 100 ms typical at 230 V \/ 10 A).\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eFlexible Input Compatibility:\u003c\/strong\u003e Operates reliably under wide AC and DC supply fluctuations (85-276 V a.c. \/ 88-187 V d.c.), making it ideal for worldwide power grids and industrial battery backup systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #003366; font-size: 14px; color: #333333;\"\u003e\n    \u003ctbody\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; width: 35%;\"\u003eModel Designation\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003eSD834\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eArticle Number\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e3BSC610067R1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eRated Output Power \/ Current\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e\n\u003cstrong\u003e480 W \/ 20 A\u003c\/strong\u003e (Maximum 30 A for \u0026lt; 4 s)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eRated Output Voltage\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e24 V d.c. (Ripple \u0026lt; 100 mV)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eMains Input Range (AC\/DC)\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e100-240 V a.c. (Allowed: 85-276 V a.c.), 110-150 V d.c. (Allowed: 88-187 V d.c.)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003ePeak Inrush Current\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e\u0026lt; 13 A\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eOver-Voltage Protection\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e\u0026lt; 37 V d.c.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eSupervision Relay\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003eYes (Integrated contact)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003ePhysical Dimensions\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e82 mm (W) x 127 mm (D) x 124 mm (H) \/ 3.23\" x 5.0\" x 4.88\"\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eNet Weight\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e\u003cstrong\u003e1200 g (2.6 lbs.)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eMax Ambient Operating Temp\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e55 °C\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eQuick Installation Tips\u003c\/h2\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; padding-left: 20px; margin-bottom: 15px;\"\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eDIN Rail Mounting \u0026amp; Clearances:\u003c\/strong\u003e Mount the module vertically on a standard 35 mm DIN rail. To ensure proper natural convection cooling, maintain a minimum airflow clearance of 40 mm above and below the device, and 15 mm on each side.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eInput Fuse Protection:\u003c\/strong\u003e While the unit features internal protection, installing a recommended external input fuse (rated between 10-20 A) on the supply line is highly recommended to protect downstream hardware and cable runs.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eParallel Operation \u0026amp; Load Sharing:\u003c\/strong\u003e When connecting multiple SD834 units in parallel to increase capacity or create redundancy, make sure to adjust all output voltages to match exactly before tying the outputs together to ensure balanced load sharing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ1: What does \"Hiccup Mode\" mean when a secondary short circuit occurs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA1: Under short-circuit conditions, the SD834 switches into a protective pulsing state (2 seconds on, 17 seconds off). This cycle repeats indefinitely without overheating or burning out the supply, and normal 24V power automatically resumes as soon as the short circuit is cleared.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ2: Why is the hold-up time crucial, and how long can the SD834 maintain power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA2: Hold-up time is the duration the power supply can maintain a regulated output during a brief input voltage dip. Depending on the load, the SD834 typical hold-up time ranges from 100 ms (at 230V AC input and 10A load) down to 32 ms (at 120V AC input and 20A full load), preventing controllers from rebooting during momentary grid fluctuations.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ3: Can this module be used in both SELV and PELV electrical systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA3: Yes. The SD834 is fully compliant with safety requirements for Safety Extra-Low Voltage (SELV) and Protected Extra-Low Voltage (PELV) architectures, providing secure galvanic separation between high mains input voltages and low-voltage field electronics.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51050871586948,"sku":"3BSC610067R1","price":144.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/SD834_3BSC610067R1.jpg?v=1784368769","url":"https:\/\/www.etowonauto.com\/tk\/products\/abb-sd834-3bsc610067r1-24v-dc-20a-power-supply-module","provider":"Etowon Auto","version":"1.0","type":"link"}