meanwell LAD-120D
meanwell lad-120a
Product photo highlighting UPS function.
mean well lad240a
meanwell lad 600
Mean Well LAD Series Power Supply with UPS Function | 120W–600W Enclosed Design - Image 6
Mean Well LAD Series Power Supply with UPS Function | 120W–600W Enclosed Design - Image 7
,

Mean Well LAD Series Power Supply with UPS Function | 120W–600W Enclosed Design

  • The LAD series has UART communication function, and posses AC and battery circuit switches with design refer to GB 17945-2010 safety regulations
  • Suitable for security industry or battery backup systems
Categories: ,

LAD Series Switching Power Supply with UPS Function

The Mean Well LAD Series is a range of enclosed AC/DC switching power supplies designed with built-in UPS function, ensuring uninterrupted power delivery during sudden AC failures. With power ratings from 120W, 240W, 360W up to 600W, the LAD series is widely recognized for its high reliability, compact size, and versatile applications in industrial and commercial systems.

meanwell lad series features

Key Features of LAD Series

  • UPS Function Built-In – Provides backup DC power when AC input is lost, ensuring continuous operation for critical devices.

  • Wide AC Input Range (85–264VAC) – Suitable for global use and flexible deployment.

  • High Efficiency (up to 91%) – Energy-saving design with low standby power consumption.

  • Multiple Protections – Overload, overvoltage, short-circuit, and overtemperature protection.

  • Compact Enclosed Housing – Robust metal casing ensures durability in harsh industrial environments.

  • LED Indicator & Battery Connection – Easy monitoring of power and battery backup status.

  • Universal Safety Approvals – Certified to international safety standards for global projects.

MeanWell LAD series have a UPS function that switches to battery back-up mode

Technical Specifications

Model Output Voltage (V) Rated Power UPS Function Efficiency (Typ.) Dimension (mm)
LAD-120 13.8V / 27.6V 120W Yes Up to 89% 159 × 97 × 38
LAD-240 13.8V / 27.6V 240W Yes Up to 90% 215 × 115 × 30
LAD-360 13.8V / 27.6V 360W Yes Up to 91% 215 × 115 × 30
LAD-600 13.8V / 27.6V 600W Yes Up to 91% 278 × 127 × 63

Note: All models support external battery connection for UPS operation.

dimension for MeanWell LAD series UPS power supply

Why the UPS Function Matters

The UPS (Uninterruptible Power Supply) function is a critical advantage of the LAD series. It allows the power supply to seamlessly switch to an external battery during a mains power failure. This ensures:

  • Zero downtime for industrial automation controllers.

  • Continuous lighting for LED emergency and signage systems.

  • Reliable operation of security and surveillance systems.

  • Protection for sensitive electronics in telecom and data equipment.

Compared with standard enclosed power supplies, the LAD series provides an integrated UPS solution without the need for bulky external units, making it cost-efficient and space-saving.

Application Fields

The LAD series is widely used in:

  • Industrial Automation – PLCs, sensors, control cabinets.

  • LED Lighting Systems – Emergency exit lighting, signage, decorative lighting.

  • Telecom & Data Systems – Backup power for routers, network switches, base stations.

  • Security & Surveillance – CCTV systems, access control, alarm panels.

  • Emergency Systems – Fire alarm equipment, emergency communication, hospital equipment.

Real-world projects have shown that the LAD series helps businesses avoid downtime costs and maintain critical safety functions in case of unexpected power loss.

Advantages of Choosing LAD Series

  • All-in-one design combining switching power supply and UPS.

  • Cost savings by reducing the need for separate UPS units.

  • Compact form factor that fits seamlessly into control panels and enclosures.

  • Reliability proven by global certifications (UL, CE, CB).

  • Flexible deployment in both industrial and commercial projects.

Conclusion & Call to Action

The Mean Well LAD Series with UPS Function is more than just a power supply — it is a reliable backup solution designed to safeguard your systems against power interruptions. Whether you are working on industrial automation, emergency lighting, or security systems, the LAD series ensures your project remains stable, safe, and efficient.

For detailed specifications, project support, or bulk inquiries, please visit Ruideli Technology Official Website or contact our sales team today.

Related products

Scroll to Top