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The Astrodyne TDI ASM400S-28 is a high-density, open-frame AC-DC power supply designed for demanding medical and industrial applications. It operates with a universal input voltage range of 90-264 VAC, making it suitable for global use.
This model provides a single 28V DC output, capable of delivering up to 400W under forced air cooling or 200W with natural convection. Key electrical specifications include a high efficiency of up to 92% and a power density of up to 19W/in³. It features a wide operating temperature range of -20°C to +40°C with derating.
The ASM400S-28 is built to meet stringent safety and EMC standards, including IEC 60601-1 3rd Edition and EN60601-1-2 Class B. It is certified with agency approvals such as CB, CE, cURus, and UL, and offers 2 MOPP Class 2 isolation for medical applications.
With its robust design and comprehensive compliance, the ASM400S-28 is an ideal choice for integrating reliable power solutions into medical equipment, industrial control systems, and other critical applications requiring high performance and safety.
The ASM400S-28 provides a nominal output voltage of 28V.
The ASM400S-28 can deliver up to 400W of output power with forced air cooling.
The ASM400S-28 accepts a universal input voltage range of 90-264 VAC.
The operating temperature range is -20°C to +40°C at full load with derating.
The ASM400S-28 is approved by CB, CE, cURus, and UL, and meets standards like AAMI ES60601-1, CSA 22.2 60601-1, and EN60601-1.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.