LAD-120D Charger 48V 120W 2.21A

MEAN WELL LAD-120D Charger with UPS LED 120W 

Description of the LAD-120D buffer power supply:

The MEAN WELL LAD-120D charger is an advanced device that provides reliable power and a UPS function for security and alarm systems. Designed with economy in mind, it offers a wide input voltage range from 90Vac to 264Vac, which allows for flexible use in various conditions. It supports an output voltage of 27.6Vdc, 41.5Vdc and 55.2Vdc, making it compatible with many types of batteries. The LAD-120D charger is equipped with an AC switch that facilitates maintenance and increases safety when working with the device. In addition, this model features high efficiency up to 86.5%, which translates into energy savings and lower operating costs. Built-in safety features such as reverse battery polarity protection, low battery voltage, full battery charge and discharge protection (Blank version only) provide protection for both the charger and the devices connected to it. This charger is suitable for use with lead-acid batteries (flooded, gel, AGM with glass fiber adsorption) and lithium batteries (lithium ion, lithium manganese, lithium ternary). With its compact design and low profile, the LAD-120D can be easily installed in various locations, making it an ideal solution for systems requiring reliable backup power. This model is also equipped with UART communication function (U version), which allows monitoring and management of the charger using external control systems. All these features make the LAD-120D not only an effective but also a versatile tool that will meet the expectations of even the most demanding users of emergency power systems.

LAD-120 Series:

The MEAN WELL LAD-120 series of chargers are economical, low-profile power supplies with a UPS function, designed for use in security and alarm systems. These power supplies are equipped with a built-in battery charger and UPS function, which allows for maintaining continuous power supply in the event of a power failure. The LAD-120 series is compatible with both lead-acid and lithium-ion batteries, which ensures versatility in various applications. Additionally, the power supplies have the ability to force UPS mode for battery maintenance, which contributes to extending their service life. The output voltage of these power supplies is 13.8V, and their design refers to the GB17945 system requirements. The LAD-120 series is available in various models such as LAD-120A, LAD-120B, LAD-120C, and LAD-120D, which differ in input and output voltages, among others, to meet the specific needs of the user. These power supplies are also equipped with overload, overheat, low battery voltage, and reverse battery polarity protection, ensuring safe and reliable operation. The LAD-120 series is designed for a wide operating temperature range of -20 to 60°C, making them suitable for use in a variety of environments. These power supplies come with a 3-year warranty, which proves their high quality and durability.

Main features of the LAD series:

• Built-in battery charger and UPS function

• TTL signals for status detection:

• AC OK, Battery disconnect, Battery reverse polarity, Low battery,

• Battery full and discharged

• Built-in AC and battery on/off switches increase safety during maintenance

• Forced UPS mode for battery maintenance

• Protections: Short circuit / Overload / Overvoltage / Overheat / Low battery voltage / Battery reverse polarity (no damage)

• Operating temperature range -20~+60°C

• Output voltage adjustable (-20%~+5%) for channel 1 by VR

• Suitable for lead-acid and lithium-ion batteries

• Design refers to GB17945 system requirements

• 1U low profile (30mm)

• 3 years warranty

Buffer power supply application LAD:

The MEAN WELL LAD-120 charger is an economical 120W power supply device designed for use in security systems with a UPS function. It has a built-in battery charger and a UPS function, which allows you to maintain continuous power supply in the event of a mains failure. It is suitable for both lead-acid and lithium-ion batteries, making it a versatile solution for various industrial, medical and other applications requiring reliableabout emergency power supply.

LAD-120D Specification: