MEAN WELL Dual Output Battery Backed Switching Power Supply 151.55W 88V AC to 264V AC, 124V DC to 370V DC AD-155B

MEAN WELL AD-155B is a dual output, battery backed switching power supply designed for industrial and security applications requiring continuous power with backup. It delivers a total power output of approximately 151.55W with outputs of 5A at 27.6V DC and 0.5A at 27.1V DC. The power supply accepts a wide input voltage range of 88V AC to 264V AC and 124V DC to 370V DC, allowing universal compatibility across various power environments.

This embedded switch mode power supply incorporates an integrated UPS function, enabling it to power devices while simultaneously charging a rechargeable battery. The seamless transfer to backup battery power during mains outages ensures continued operation until mains power is restored or the connected battery is depleted. It is optimized for use with batteries of less than 3Ah capacity.

To maintain safety and durability, the AD-155B includes multiple protection features such as short circuit, overload, overvoltage, and low battery protection. The built-in EMI filter helps suppress electromagnetic interference, supporting compliance with international standards.

The power supply features a compact chassis mount enclosed package type with dimensions of 199mm length, 110mm width, and 50mm depth. It has been tested for full load burn-in at 100% and certified under EN 60950-1, UL 60950-1, and is TUV approved, reinforcing its suitability for critical applications.

Typical applications encompass security industry systems and battery backup solutions where reliable dual output power and uninterrupted supply are critical. The AD-155B offers a robust and efficient solution for powering electrical devices with integrated battery management capabilities.

Operates within 88-264V AC and 124-370V DC input voltage range. Dual output channels provide 5A at 27.6V DC and 0.5A at 27.1V DC. Integrated UPS functionality ensures continuous power backup. Comprehensive protection features include short circuit, overload, overvoltage, and battery low detection.

Built-in EMI filter for reduced electromagnetic interference. Compact chassis mount enclosure with dimensions 199mm x 110mm x 50mm. Certified to EN 60950-1, UL 60950-1, and TUV standards. Ideal for battery backup systems and security applications with batteries below 3Ah.

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