The SCP-35-12 is a Single Output Switching Power Supply feature inputs of 85 VAC to 264 VAC and 120 VDC to 370 VDC and protections for short circuit, overload, over voltage, battery polarity protections (by fuse), and an LED indicator for power-on. Cooled by free air convection, the MEAN WELL SCP-35 Series offer no load power consumption <0.75W, is 100% full load burn-in tested, and a 2 year warranty. This series is a good power choice for security systems, access control systems, emergency lighting systems, alarm systems, and central monitoring systems.