Feature Input voltage: 200-240Vac,47-63Hz Output power: 300W Max Power factor: 0.50@230Vac Insulation voltage: I/P-O/P:3.0KVac, I/P-FG: 1.5KVac, O/P-FG: 0.5KVac Leakage current: 0.30mA@230Vac Protection: undervoltage, overload, short circuit Working temperature: -30~+60 Storage temperature: -40~+100 Safety standards: GB4943,EN60950 Dissipate heat: Air cooling Size: 212×81.5×30