Vivotek DRL-48V120W1EN 48VDC 120W Power Supply

Vivotek DRL-48V120W1EN 48VDC 120W Power Supply

The Vivotek DRL-48V120W1EN is a professional-grade power supply engineered for demanding security and surveillance applications. This compact, DIN-rail mountable unit delivers stable 48VDC output at up to 120W, supporting multiple cameras, access control devices, and network equipment simultaneously. With an expansive input voltage range of 90-264VAC and broad operating temperature span of -30°C to +70°C, it provides exceptional flexibility across global installations and harsh environmental conditions.

Key Features

• Stable 48VDC/120W Output: Delivers reliable power to multiple surveillance and security devices
• Wide Input Range: Accepts 90-264VAC input, accommodating varying international electrical standards
• High Efficiency: 88-89.5% typical efficiency minimizes power waste and operational costs
• Extended Temperature Operation: Operates from -30°C to +70°C, with cold-start capability to -40°C
• DIN Rail Mounting: Standard TS35 DIN rail compliance for easy installation in control cabinets
• Comprehensive Protection: Overvoltage (latch mode), overcurrent (auto-recovery), short-circuit (hiccup mode), and over-temperature protection
• Low Noise: Passive convection cooling produces less than 25 dBA at 1 meter
• Galvanic Isolation: 3.0 kVac input-to-output isolation for enhanced safety
• Status Indicator: Green LED indicates DC OK condition

Technical Highlights

Output voltage regulation maintains ±0.5% line and load regulation, ensuring clean power delivery to sensitive equipment. The unit supports up to 3,000 µF capacitive loads on startup and features a 10-16 ms hold-up time, protecting connected devices during brief input interruptions. With a maximum inrush current of 35A at 230VAC and leakage current below 0.5 mA, it meets stringent safety requirements. The power supply achieves MTBF exceeding 700,000 hours and 10-year capacitor lifetime at rated conditions, demonstrating long-term reliability.

Applications

• IP Camera Systems: Powers multi-camera surveillance installations requiring stable 48V distribution
• Access Control: Supports door locks, card readers, and control panels in security deployments
• Industrial Networks: Ideal for powering industrial cameras, edge devices, and network infrastructure in harsh environments
• Emergency Lighting: Supplies backup power systems in security-critical applications
• Outdoor Installations: Temperature range and environmental ratings suit extreme climate deployments

Certifications & Compliance

The DRL-48V120W1EN meets international safety standards including IEC 62368-1, IEC 60950-1, and IEC 61010-1, with approvals from TÜV, UL/cUL, BSMI, and EAC. CE and UKCA marking confirms EMC and low-voltage directive compliance. Class I protection against electric shock and Overvoltage Category II rating provide comprehensive safety assurance for professional installations.