Voltage Compatibility: 120V AC Output Amperage Capacity: 15 Output Watt Capacity: 1800 Watts Maximum Spike Amperage: 36,000 Amps EMI/RFI Noise Filter: Frequency: 150KHz – 100MHz; Attenuation: Up to 40dB Clamping Voltage: L-N 400V, L-G 400V, N-G 400V Protection Modes: L-N, L-G and N-G Certifications: UL/cUL, ROHS