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A transformerless UPS offering you high efficiency in a compact footprint, the Multi Sentry is a superb solution for sites that have limited power, loads that generate harmonic currents, or where the UPS is supported with a generator.
Choose from 6 power ratings to suit your power needs. Designed to power capacitive loads like blade servers without any reduction in active power. Range of battery cabinet sizes depending on your runtime requirements.
Multi Sentry is available in 6 power ratings (60-80-100-125-160-200 kVA) to suit your specific power requirements.
It’s a proven solution for protecting everything from small telecoms and ICT networks through to sizeable data centres.
Whether the input is the mains or a generator, the MST has zero impact. It ensures an input power factor (pf) of 0.99 and low current distortion (< 2.5%), while it deploys a power walk-in function that ensures progressive rectifier start-up.
The MST also offers filtering and power factor correction in the network upstream of the UPS.
Developed using advanced transformerless technologies including a 3-level inverter and fully-controlled IGBT rectifier, the MST delivers you high efficiency of up to 96.5%, with a flat efficiency curve that minimises waste even at partial loads.
Parallel a maximum of 8 MSTs together to scale up your power or build in redundancy (N+1).
Parallel configurations run on a closed-loop system, guaranteeing continuous operation even if there’s an interruption to the connection cable.
The MST enjoys one of the most compact footprints in its category, meaning it’s an ideal choice if you’ve got restricted space or under commercial pressure to optimise your floor space.
Zero impact source
Multi Sentry solves installation problems in systems where the power supply has limited power available, where the UPS is supported by a generator or where there are compatibility problems with loads that generate harmonic currents; Multi Sentry has a zero impact on its power source, whether this is the mains power supply or a generator:
In addition, Multi Sentry plays a filtering and power factor correction role in the power network upstream of the UPS, as it eliminates harmonic components and reactive power generated by the power utilities.
High efficiency
State-of-the-art three-level NPC inverters are used across the power range (30-200) to achieve an operating efficiency of 96.5%. This technology halves (50%) the energy dissipated in a year by traditional UPS, with an efficiency level of 92%. Its exceptional performance makes it possible to recover the capital investment cost in less than three years of operation.
Maximum reliability and availability
Distributed parallel configuration of up to 6 units per redundant (N+1) or power parallel system. The UPS continue to operate in parallel even if the connection cable is interrupted (Closed Loop).
Low running costs
Advanced technology and use of high performance components, allows Multi Sentry to provide exceptional performance and efficiency, with a compact size:
Flexibility
With its flexible configuration, performance, accessories and options, Multi Sentry is suitable for use in a wide range of applications:
Advanced communications
Multi Sentry is equipped with a back-lit graphic display (240x128 pixels) providing UPS information, measurements, operating states and alarms in different languages. It can also display wave forms and voltage/ current forms. The default screen displays UPS status, graphically indicating the status of the various assemblies (rectifier, batteries, inverter, bypass).
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Smart Grid Ready UPS | |
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Superscaps UPS | |
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Eco Level 6 |
Riello UPS 's social commitment aims to help the present as well as shape a bright future, combining the inevitable need for energy with environmental protection.
Riello UPS uninterruptible power supplies power some of the most critical data centres and servers in use today. Within these environments, energy management is critical. Running costs must be minimised without compromising resilience, i.e. the ability to adapt to adverse external conditions whilst ensuring the complete availability of the services provided. Equipment must operate at the highest possible levels of efficiency to reduce the strain on critical power supplies and minimise the effect on the installation area.
Riello UPS models have always been compliant with the highest levels of efficiency in terms of energy protection and are classified according to a scale with 6 levels, corresponding with the efficiency value of the UPS with respect to the European Code of Conduct; this is known as the Eco Energy Level.
The Eco Energy Level system demonstrates how the most efficient UPS provide energy savings that allow the cost of their purchase to be recovered quickly compared to standard efficiency UPS , as well as how their use leads to significant reductions in carbon emissions into the atmosphere.