Series: Isobar Input Voltage: 120V Output Amperage Capacity: 12 Output Watt Capacity: 1440 Watts Maximum Spike Amperage: 48,000 amps EMI/RFI Noise Filter: 40-80 dB Protection Modes: H-N, N-G and H-G Certifications: UL1449 (Series Number: ISOBAR6ULTRAHG);UL1363 (Series Number: ISOBAR6ULTRAHG);cUL (Series Number: ISOBAR6ULTRAHG)