4100W AC Power Supply, configurable option in base bundle (Note: AC power cords are sold separately). Four types of AC power supplies can be used: normal-capacity, high-capacity, high-capacity second-generation, and high-voltage second-generation universal (HVAC/HVDC) power supplies (for more information on the HVAC/HVDC power supplies, see MX960 High-Voltage Second-Generation Universal (HVAC/HVDC) Power Supply Description. Each of the high-capacity power supplies has a corresponding AC receptacle located in the MX960 chassis directly above the power supply. High-capacity second-generation have two AC receptacles on the power supply itself. Each receptacle requires a dedicated AC power feed and a dedicated breaker. For all power supplies the circuit breaker protection should be designed according to National Electrical Code (NEC) or any similar local standard based on maximum drawn current of the power supply specified in this document. See AC Power Cord Specifications for the MX960 Router for more details.