AD-155B Meanwell AD 155W Enclosed Security PSU and Battery Charger with UPS 24V DC 5.0A

AD-155B Meanwell AD 155W Enclosed Security PSU and Battery Charger with UPS 24V DC 5.0A

Meanwell AD-155B enclosed 155 W power supply with 24 V DC 5 A output, battery charger and UPS function designed for security and industrial backup power applications.

SKU: AD-155BAlt SKU: AD155BMPN: AD-155B
Price
List Price ex VAT
Your Price
On backorder Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Available on backorder

£92.40

Why Choose the Meanwell AD-155B Security Power Supply?

The Meanwell AD-155B is a compact and reliable 155 W enclosed AC/DC power supply with integrated battery charger and UPS function, designed for security systems, emergency backup equipment and industrial applications requiring continuous 24 V DC power. Part of the proven Meanwell AD-155 series, it combines a regulated DC power supply with battery charging and backup capability in a single enclosure.

The AD-155B provides a regulated 24 V DC output with a rated current of 5 A and includes dedicated battery connection terminals for maintaining system operation during mains failure. Its integrated protections, universal AC input and compact enclosed construction make it suitable for dependable power solutions in demanding installations.

Designed for security and automation applications, the AD-155B supports continuous DC loads while charging and managing connected backup batteries. The UPS function helps maintain power to critical equipment, improving system availability and operational reliability.

Key Advantages

  • 155 W enclosed AC/DC power supply with integrated UPS battery charger function.
  • 24 V DC output at 5 A for industrial and security applications.
  • Built-in battery charging and backup power management.
  • Universal AC input supports worldwide power systems.
  • Integrated protection against short circuit, overload and over voltage.
  • Compact enclosed design for straightforward installation.

Key Features

  • Meanwell AD-155 series power supply.
  • 24 V DC regulated output.
  • 5 A rated output current.
  • 155 W rated output power.
  • Integrated battery charger with UPS function.
  • Battery low voltage and battery polarity protection.
  • Universal AC input range.
  • Cooling by free air convection.
  • 100% full load burn-in tested design.

Reliable Backup Power for Security and Industrial Systems

Power supplies with integrated UPS functionality such as the Meanwell AD-155B provide a dependable solution where uninterrupted DC power is essential. The unit maintains connected battery systems while supplying regulated power to security equipment, automation devices and other critical loads.

The AD-155 series combines regulated power conversion, battery charging and protection features in a compact enclosed format. This makes it suitable for professional installations requiring reliable 24 V DC operation and backup capability.

Typical Applications

  • Security alarm systems and access control equipment.
  • CCTV and surveillance installations.
  • Emergency backup power systems.
  • Industrial automation control equipment.
  • Communication and monitoring systems.
  • Battery-backed 24 V DC applications.

Technical Specifications

Manufacturer Meanwell
Series AD-155
Model AD-155B
Product type Enclosed AC/DC power supply with battery charger and UPS function
Rated output power 155 W
DC output voltage 27.6 V DC
Battery charging voltage 27.1 V DC
Rated output current 5 A
Output current range 0–5.5 A
Input voltage range 88–264 V AC / 124–370 V DC
Input frequency 47–63 Hz
Efficiency approx. 84%
Power factor PF >0.92 at full load
Protection Short circuit, overload, over voltage, battery low voltage and battery polarity protection
Operating temperature -10 °C to +60 °C
Operating humidity 20–90% RH non-condensing
Cooling method Free air convection
Dimensions (L × W × H) 199 × 110 × 50 mm
Weight approx. 0.88 kg
Mounting type Enclosed panel mounting
Safety standards UL62368-1, EN62368-1, AS/NZS62368.1

Frequently Asked Questions

What is the Meanwell AD-155B used for?

The AD-155B is used as a regulated 24 V DC power supply with integrated battery charger and UPS backup functionality for security and industrial systems.

What output voltage does the AD-155B provide?

The AD-155B provides a regulated 24 V DC output with a rated output current of 5 A.

Does the AD-155B include battery backup functionality?

Yes, the AD-155B includes an integrated battery charger and UPS function to maintain system operation during mains interruptions.

What protections are included?

The unit includes protection against short circuit, overload, over voltage, battery low voltage and battery polarity faults.

Where is the AD-155B typically installed?

The AD-155B is typically installed in security systems, industrial control panels and other applications requiring reliable battery-backed 24 V DC power.

Trusted by Security and Automation Professionals

Meanwell AD-155 series power supplies are widely used in security, automation and industrial systems where reliable DC power and battery backup are essential.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...