CCTV Power Supply 12V 20 Amps Open

The CCTV Power Supply 12V 20 Amps Open is a high-capacity, open-frame power supply built to deliver consistent and safe power to large-scale CCTV surveillance systems. Offering a strong 240-watt output and 20 amps of steady 12V DC current, this unit is designed to handle multiple cameras, DVRs, and related security devices simultaneously. With a universal input voltage range of 110V to 220V AC, it’s suitable for diverse global installations. This power supply features built-in overload, overvoltage, and short-circuit protection, a natural cooling design, and rugged metal housing. Fully UL and CE certified, it’s also 100% full-load burn-in tested to ensure dependable performance in continuous-use environments.

Product Features

Stable 12V 20A Output

Provides a dependable 12V DC output at 20 amps, capable of powering numerous security cameras and surveillance peripherals with stable, ripple-free voltage.

Wide AC Input Compatibility

Supports an input voltage range of 110V to 220V AC, allowing for flexible use across different countries and electrical standards, making it ideal for international deployment.

Adjustable Output Voltage

The unit features a ±10% output voltage adjustment range, enabling fine-tuning to match the voltage demands of specific security systems or sensitive CCTV components.

Built-In Protection Circuitry

Includes robust protection features such as:

• Overload protection: Triggers at 105% to 150% of rated power
• Overvoltage protection: Prevents damage from voltage surges
• Short-circuit protection: Automatically shuts down output in the event of a fault, preserving both the unit and connected devices

Efficient Natural Cooling

Cooled by natural convection, the unit operates silently and efficiently without the need for a fan, reducing noise and mechanical wear while maintaining thermal stability.

Durable Metal Construction

Constructed with an aluminum and stainless steel shell, this power supply is designed for durability, corrosion resistance, and secure performance in a variety of environments.

Safety-Certified and Fully Tested

Certified by UL and CE for safety and quality. Each unit undergoes a 100% full-load burn-in test to ensure reliable, long-term operation under real-world conditions.

Product Specifications

• Output voltage: 12V DC
• Current output: 20 amps
• Power capacity: 240 watts
• Input voltage: AC 110V–220V
• Input frequency: 47–63 Hz
• Voltage adjustment range: ±10%
• Overload protection: 105%–150% of rated power (auto-recovery)
• Overvoltage protection: 105%–150%
• Short-circuit protection: Included
• Cooling method: Natural convection (fanless)
• Shell material: Aluminum / stainless steel
• Operating temperature: -20°C to 60°C (non-condensing, frost-free)
• Dimensions: 7.96 x 3.92 x 1.6 inches
• Certifications: UL, CE approved
• Burn-in test: 100% full load tested
• Warranty: 2-year manufacturer warranty