Staco Energy Products' FirstLine P is a parallelable three-phase uninterruptible power supply

Staco Energy Products' FirstLine P is a parallelable three-phase uninterruptible power supply (UPS) for 80-125kVA applications. These units are designed for efficiencies of up to 98%, while delivering availability and flexibility. True on-line, double-conversion technology is achieved through IGBT and digital signal processor (DSP) control, enabling delivery of a high input power factor of 0.99, and a low input current distortion of less than or equal to 3%. Up to eight FirstLine P units (N + 1) can be run in parallel, providing redundancy for mission critical applications requiring no additional hardware. All units are hot swappable.

The IGBT-based rectifier solid-state technology is engineered to reduce the impact of the UPS on the local supply and simplify installation where there is limited power capacity in the form of available electrical supply rating or generator size. Classified as a "Zero Impact Source", the FirstLine P provides a high input power factor of 0.99, a low input current distortion of less than or equal to 3% and a power walk-in function that ensures progressive rectifier start-up. It can also performs as a high-performance filter by protecting upstream power supply sources from any harmonics and reactive power generated by the loads power.

FirstLine P models feature an output transformer with galvanic isolation (between the load and the battery supply). The UPS can be supplied from two separate power sources (main power and a second emergency standby source). 

FirstLine models are intended for applications with input voltage of 480 Vac and a range of +15 /- 20% without battery contribution (+15/-30 in battery mode). Input frequency is 45-65Hz. Progressive rectifier (walk-in) can be configured from 0 to 30 seconds. Delay of progressive start of rectifier (power walk-in delay timer) can be configured from 0 to 120 seconds. The FirstLine range of products is compatible with capacitive loads such as blade servers, without any reduction in active power, ranging from 0.9 lead to 0.8 lag and up to 0.8 capacitive power, with a low derating equal to 15% of the active power (kW). 

Communications options include NetMan 101/102 Plus, MultiCOM (1) 301/302, MultiCOM (2) 362, Multi I/O, IBM AS/400, NetMan, MultiPanel, PowerShield and PowerNETGuard.

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