Enterasys S-AC-PS S-series AC Power Supply - Power Supply - Hot-plug / Redundant - 1600 Watt Type: Power Supply Specifications: Input Voltage: AC 100-125/200-240 V Frequency Required: 50/60 Hz Power Capacity: 1600 Watt Designed For Enterasys S-Series S3 Chassis, S3 Chassis with 4 bay PoE subsystem, S4 Chassis, S4 Chassis with 4 bay PoE subsystem, S8 Chassis, S8 Chassis with 4 bay PoE subsystem, S8 Chassis with 8 bay PoE subsystem