UPStealth® 2 User Manual | 60
Theory of Operations
System Description
The UPStealth 2 consists of a 1000W uninterruptible power supply (UPS) inverter, Power Interface Module (PIM) and
up to six (6) Battery Panel(s) or Module(s) used to provide backup power to traffic signal systems and ITS cabinets in
the event of a power failure or interruption.
UPStealth 2 UPS 1000W
The UPStealth 2 UPS 1000W continuously monitors the incoming AC for voltage, frequency and waveform anomalies.
When the pre-defined, or user defined AC thresholds are exceeded the UPStealth 2 UPS 1000W will transfer from AC
Utility power to battery backup. The UPStealth 2 UPS 1000W will remain in battery backup and continue to supply
power to the traffic signals/intersection until AC power is returned with a 3, 10, or 30 second delay (user defined) or
the batteries are depleted. The UPStealth 2 UPS 1000W utilizes a 42-60Vdc to 120Vac, 60Hz 1000W inverter to perform
this backup. It can be connected to as many as six (6) UPStealth 2 Battery Panels or Battery Modules.
UPStealth 2 UPS 1000W Block Diagram
Summary of Contents for UPStealth 2
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