MEAN WELL Battery Backed Switching Power Supply Universal AC Input 88V to 264V AC, 124V DC, 60°C Max Operating Temp AD-55B

MEAN WELL AD-55B is a battery backed switching power supply designed to provide both power supply and battery charger functions simultaneously. It accepts a wide universal AC input voltage range from 88V to 264V AC, as well as DC input at 124V, making it versatile for various industrial and commercial power backup scenarios.

This power supply can switch automatically to an external battery when mains power fails, maintaining continuous power to electrical devices until normal power is restored or the battery is depleted. It is engineered specifically for use with batteries having capacities below 3Ah, commonly used in security and battery backup systems.

Safety and protection features include short circuit, overload, and overvoltage safeguards, along with battery low voltage protection and an integrated EMI filter to minimize electromagnetic interference. Each unit undergoes a 100% full load burn-in test ensuring robust reliability in demanding environments.

The compact form factor with dimensions 159mm (L) x 97mm (W) x 38mm (D) and a maximum operating temperature of 60°C makes it suitable for tight installation spaces and various industrial and electronic applications.

Standards compliance includes UL 6681, TUV BS ENEN 6681, EAC TP TC 004, and IEC 6681 certifications, enhancing its reliability and acceptance in regulated environments. Originating from Taiwan, Province of China, the MEAN WELL AD-55B is ideal for power backup needs in security installations, manufacturing, HVAC, and other electronic industries requiring uninterrupted power solutions.

Integrated power supply and battery charger for simultaneous device powering and battery charging. Automatic switch to external battery upon mains power failure for uninterrupted operation. Supports batteries with capacity below 3Ah designed for backup applications.

Includes short circuit, overload, and overvoltage protection for safety and reliability. Equipped with battery low voltage protection and built-in EMI filter. Tested with 100% full load burn-in for quality assurance. Suitable for security, battery backup systems, and industrial power applications.

Compact dimensions measuring 159 mm length, 97 mm width, and 38 mm depth. Operates at a maximum temperature of 60°C ensuring thermal stability. Discover the MEAN WELL range of Switching Power Supplies and battery backup units on EnvMart for reliable, efficient, and certified power solutions for your industry.