This product joins the MST 10-120 kVA series with three-phase input and output, offering a wide range of transformerless UPS systems from 10 to 200 kVA/kW. The MST family, with 12 different power ratings, can meet any critical power demand (10, 12, 15, 20, 30, 40, 60, 80, 100, 120, 160, 200).
The MST 160-200 maintains the general design structure and operational approach of the Multi Sentry family of UPS systems (same logic, operating menu, and LCD screen). However, the MST 160-200 models are at the forefront of UPS development, incorporating the latest technology with a three-level, three-phase inverter and intelligent control that enhances performance:
- kW = kVA (output power factor = 1)
- Very high efficiency (>96%)
- Intelligent ventilation (energy saving and noise reduction)
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The output power factor of 1 ensures greater active power availability (+11% compared to UPS with a power factor of 0.9). Furthermore, the MST can power capacitive loads with power factors from 1 to 0.9 without any reduction in power output, making it suitable for installation in any application or data center that handles loads with a unity or capacitive power factor (newer generations of servers typically operate with power factors between 1 and 0.95 capacitive). The MST UPS's features respond correctly regardless of the power factor of the load it powers.
The latest generation of NPC inverters with three levels delivers efficiency exceeding 96%.
Starting at 22% load, the UPS's performance surpasses 95%, guaranteeing high efficiency at any load level and reducing losses and therefore energy costs, regardless of the power consumption.
The MST 160-200 features an intelligent ventilation system that controls the number of operating fans and their speed based on ambient temperature and load level. This improves the unit's lifespan while simultaneously reducing noise levels and unnecessary energy consumption for UPS ventilation.

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