Ensure reliable and secure power distribution with this high-performance CCTV Power Supply Box, designed with safety, durability, and efficiency in mind. Featuring a durable enclosure equipped with independent locks and keys, this closed circuit power supply box offers excellent protection against rain, theft, and electric shock, making it ideal for both indoor and outdoor security applications. Key Features: · **Secure Lock and Keys:** Each power supply box comes with its own independent lock and keys, providing enhanced security and preventing unauthorized access or tampering. · **Efficient Cooling System:** Designed with a double column vent and multiple cooling vents on both sides, this power box maintains optimal heat dissipation, ensuring stable operation and prolonged device lifespan. · **Safe and Reliable Operation:** Equipped with a double cap core fuse system; in the event of fuse damage, other output lines remain unaffected, guaranteeing continuous and safe power delivery. · **Robust 4-Channel Design:** Supports four output channels with built-in overload and overvoltage protection to maintain stable and safe power output under various working conditions. · **Wide Application Range:** Perfectly suited for lighting systems, security monitoring, 3D printing, automation equipment, power management, transportation systems, and network communication devices. Technical Specifications: · Input Voltage: AC 100-120V / 220-240V (110V / 220V) · Ripple: 80mV · Impulse Current: 20A at 115V, 40A at 230V · Output Voltage Accuracy: ±2% · DC Voltage Adjustable Range: -5% to +10% of rated output voltage · Efficiency: 80% · Leakage Current: <1mA at 240VAC · Overload Protection: 105-150%, burping mode with automatic recovery · Overvoltage Protection: 100-135%, diode clamping with automatic recovery and output cutoff · Electromagnetic Compatibility: EN5022 (CISPR22) Class B emission standard · Harmonic Compliance: EN61000-3-2, 3 · Anti-Interference Standards: EN61000-4-2,3,4,5,6,8,11; EN55024 Class A heavy industry · Operating Temperature and Humidity: -15°C to 70°C, 20%-90% RH · Mean Time Between Failures (MTBF): ≥ 824,600 hours (MIL-HDBK-217F at 25°C) · Starting Time: 1000ms, Rising Time: 30ms, Holding Time: 50ms Package Includes: · 1 x Closed Circuit CCTV Power Supply Box This reliable CCTV Power Supply Box combines security features with advanced protective functions to ensure stable and efficient power delivery. Its durable construction and comprehensive safety mechanisms make it an ideal choice for professional security systems and automation setups, providing peace of mind and long-lasting performance.