Switching Power Supply 220V 12V 50A 1.OCP, OVP and SCP 2.High reliability ... % full load test 4.Two years' warranty Switching Power Supply 220V 12V 50AApplication: Industrial, security monitoring, machine, equipment, LED billboard, medical ... ImmunityEN55024 EN61000-6-2Harmonic CurrentEN61000-3-2 Switching Power Supply 220V 12V 50A