Internally, all major components are well secured and electrically insulated to prevent damage due to shock and vibration.

The input switch and the galvanic isolation transformer all provide a double pole isolated source for all installations including shipboard systems or overseas locations where phase references and grounding are not consistent.  Special EMI/RFI filters and input power factor correction minimize both input current and harmonics.

A frequency selection switch is available for those sites requiring 50 hertz output instead of the standard 60 hertz. Optionally, 46-440 hertz input as well as 400 hertz output are available.

The LED arrays keep the operator informed as to the unit’s status including load and battery levels. The high intensity audible alarm can be heard in high noise environments. All controls and protective devices are brought to the front and rear panels with critical switches having finger guards. Further, all front panel devices are recessed to prevent damage or accidental operation.

The rear panel provides locking connectors for the input and output power. Multiple input and output power panel options are available. A removable and washable intake air filter and high capacity stainless steel ball bearing fan provide added protection in both controlled and hostile environments. The air is drawn from the rear and exhaust air is diverted out the front vent, with alternate air flow directions optional. The external battery connector allows the safe and easy addition of extra battery modules without having to shut the unit down. The batteries are maintenance free with immobilized electrolyte and are constructed of flame retardant materials. For more information, see the Battery Technology section. The unit also operates as a frequency converter, taking 46-70 hertz input and converting it to 50 hertz power. A frequency selection switch is available for those sites requiring 60 hertz output instead of the standard 50 hertz. The Status connector provides an  interface with optional computer software providing loss of AC and low battery status as well as remote shut down capability.

See the Power Distribution Units section for a listing of stand alone PDUs. See the N5 Series section for versions of UPS with an integrated PDU and remote control.

Overall, the Military Power line is uniquely qualified for critical shipboard, vehicle, airborne or land based systems combining advanced modular design features with highly reliable construction.

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