LAD-120B Charger 24V 120W 4.4A IP42

MEAN WELL LAD-120B Charger with UPS LED 120W functions

Description of the LAD-120B buffer power supply:

The LAD-120B charger by MEAN WELL is an advanced device designed for charging batteries, which combines the functionality of a power supply and UPS. It is a 121.4W model, which offers two output channels with a voltage of 27.6V - one with a current of 3.4A and the other with a current of 1A. This device is adapted to work in a wide temperature range, from -20°C to +60°C, which makes it suitable for use in various environmental conditions. The LAD-120B charger is enclosed in a housing, which ensures its protection and durability. It is also certified to IEC62368-1 and UL62368-1 standards, which proves its safety and reliability. With a high efficiency of 88%, it is an energy-efficient device, which translates into lower operating costs. This charger is an ideal solution for security systems, fire alarms and other applications requiring reliable power supply and battery charging.

LAD-120 Series:

The LAD-120 series of chargers from MEAN WELL are economical, low-profile UPS power supplies designed for security and alarm system applications. 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, providing versatility in various applications. In addition, the power supplies have the ability to force the UPS mode for battery maintenance, which helps to extend the battery 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 voltage, allowing them to be tailored to specific user needs. These power supplies are also equipped with overload, overheat, low battery voltage, and reverse battery polarity protection, ensuring safety and reliability in 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 for maintaining power continuity in the event of a network 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 reliable backup power.

LAD-120B Specification: