Home » Products » 48V 2.5A 120W Power Adapter for PoE Switch | Industrial AC-DC Power Supply

48V 2.5A 120W Power Adapter for PoE Switch | Industrial AC-DC Power Supply

Our 48V 120W power adapter is designed for PoE switches and networking devices requiring stable and efficient power delivery. With a regulated 48V 2.5A output, this AC-DC power supply ensures reliable performance in continuous operation environments such as surveillance systems, communication networks, and industrial control setups.

Built with high-quality components and advanced protection features, it provides excellent efficiency, low ripple, and long-term durability. OEM and customization options are available to meet different project requirements.

Compact 48V 120W (2.5A) power adapter for PoE switches, offering stable output, high efficiency, and full protections for networking applications.

View our case study on PoE switch applications.

Key Feactures

Applications

High Efficiency & Energy Saving – Up to 89% efficiency reduces power loss and heat generation.
Compact & Durable Design – Metal or ABS housing with ventilation for industrial environments.
Wide Input Range – 100–240V AC, 50/60Hz for global compatibility.
Multiple Protections – Over-voltage (OVP), over-current (OCP), short-circuit (SCP), and over-temperature (OTP).
OEM & Customization Support – Flexible connector types, output options, and branding available.
Reliable Operation – Stable 48V 2.5A output with low ripple and noise (<150mVp-p).
Plug & Play – Easy installation for DIN rail or wall mounting applications.

Our 48V 120W power adapter is ideal for powering PoE switches and networking equipment in industrial and commercial environments. Typical applications include:

PoE Switches & Networking Devices – Reliable power for enterprise and industrial network switches.
Surveillance Systems – Stable power for IP cameras, NVRs, and security network devices.
Industrial Automation Equipment – Powering PLCs, control panels, and automation devices requiring 48V DC input.
Communication Systems – Suitable for routers, access points, and VoIP devices in continuous operation environments.

Technical Specifications

Input Connector/Plug Type

C14

Output Connector

BARREL CONNECTOR

Rated Power

120W

Output Voltage

48V

Output Current

2.5A

Model

XJKAD120W480-5525

Key Technical Advantages

Precise Voltage Regulation – ±1% output accuracy ensures sensitive PoE devices operate safely.
Industrial-Grade Reliability – Designed to operate continuously at -20°C to +60°C with robust protection against electrical faults.
High Power Density – 120W output in a compact form factor, saving space in network cabinets.
Enhanced Safety Compliance – CE, FCC, UL/cUL certified, RoHS compliant for international deployment.
Long Lifespan & Low Maintenance – High-quality components reduce wear, ensuring stable operation over thousands of hours.

Safety & Compliance

Safety and regulatory compliance are essential for industrial and medical equipment. Our 120W power adapter platform is designed to support major international standards.

Key compliance features include:

• DOE Level VI energy efficiency
• Low standby power consumption
• EMC and electrical safety compliance
• Support for ETL, CE and FCC certifications
• Medical-grade design options available upon request

Certification documents and test reports can be provided according to specific project requirements.

Need a certified power adapter for your project?

Our team can provide ETL or medical-grade compliant solutions.

Request Certification Details

OEM & Customization Options

XJK Power provides flexible OEM and ODM customization services for power adapters to meet different equipment requirements and global market standards.

Customization options include:

• Output voltage and current configuration
• DC connector type and polarity
• Cable length and wire specification
• AC plug type for global markets (US / EU / UK / AU)
• Housing color and branding
• Private label and packaging customization

Our engineering team works closely with customers to ensure electrical compatibility, regulatory compliance, and cost-efficient production for industrial and medical applications.

Certifications

Our power adapters are designed and tested to meet major international safety and regulatory standards. Certified for ETL (USA), CE (Europe), FCC (EMC compliance), and RoHS (environmental safety), these adapters are suitable for professional industrial and medical equipment.

Test reports and certification documents can be provided upon request to support your product compliance verification. For custom OEM projects, XJK Power can ensure that all adapters meet the required regional standards

Frequently Asked Questions

Q1: Can this adapter be used with all PoE switches?
A: This 48V 120W adapter is suitable for PoE switches and devices requiring a 48V DC input up to 2.5A. Always verify your device’s voltage and current requirements before use.

Q2: Is the output voltage regulated?
A: Yes, the output is tightly regulated at 48V DC ±1% to ensure safe and reliable operation of sensitive networking equipment.

Q3: Does it support OEM/custom branding?
A: Yes, we offer OEM/ODM services, including customized labeling, connector types, and cable lengths.

Q4: What protections are included?
A: Over-voltage, over-current, short-circuit, and over-temperature protections are all included to prevent damage to both the adapter and connected devices.

Q5: Can it operate in industrial environments?
A: Absolutely. Designed for -20°C to +60°C operation, it’s ideal for network cabinets, surveillance systems, and industrial automation setups.

Need Help Selecting the Right Power Adapter?

Our engineering team can help you choose the correct voltage, connector, and certification for your projects.

Request Technical Support

Related Power Adapter Models

Explore our range of reliable power adapters designed for industrial, commercial, and networking applications. Multiple output voltages and connector options are available to meet different device requirements.

MODEL

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VOLTAGE

XJKAD120W480-5525

120W

48V

XJKAD120W480-5525

120W

48V

XJKAD120W120-5525

120W

12V

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12V

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XJKAD120W120-5525

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12V / 20V / 24V customizable

XJKAD120W120-5525

120W

12V / 20V / 24V customizable

XJKAD120W120-5525

120W

12V

XJKAD120W120-5525

120W

12V

48V 2.5A 120W Power Adapter for PoE Switch | Industrial AC-DC Power Supply

Key Feactures

Applications

Technical Specifications

Key Technical Advantages

Safety & Compliance

Need a certified power adapter for your project?

OEM & Customization Options

Certifications

Frequently Asked Questions

Need Help Selecting the Right Power Adapter?

Related Power Adapter Models

Request a Quote

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