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
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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.
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
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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Customers supported
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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.
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...
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...