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Sentryum Rack (20-160 KVA/KW)

SENTRYUM RACK (20-160 KVA/KW)

Modular UPS

The Sentryum Rack range was specially developed to ensure power continuity in all sectors deemed critical due to the specific environmental conditions or industrial processes requiring protection. It is a true ON LINE double-conversion UPS, available in a 20 KVA/KW standalone version and in modular versions from 20 to 160 KVA/KW. The Sentryum Rack is available in both single-phase and
three-phase output configurations. It accepts both single-phase and three phase inputs with no need for special setups or operator intervention. The voltage arrangement could change during
operation without any reset or manual operation, therefore the UPS auto detects the input voltage and behave accordingly.

Main advantages:

• High adaptability to input voltage
• Compatible with industrial environments
• Modular Plug & Play solution
• Suitable for stand alone and modular installations
• Complete flexibility
• Graphic touch screen display

Features

Technical Specifications

Product Brochure

Compatible with industrial environments 

The basic building block is a 20 KVA/KW module. Its connection clamps are laid out so that the communication signal connections are segregated and separated from the power connections (inputs, output, battery), thus ensuring complete immunity from interference generated by the power supply grid, which is typically disturbed in industrial environments. The module has a front to back air flow, realized by a smart ventilation principle, which manages the fan speed and airflow in accordance with the room temperature and load level. The Sentryum Rack cabinet is available in 2 versions, single phase and three phase output; it is designed to house up to 3 modules (60 KVA/KW) and it can be connected in parallel for a total of 8 modules and 160 KVA/KW of power. The Sentryum Rack cabinet has a distribution panel that contains all the devices to disconnect each module (3 input rectifier disconnectors, 3 input bypass disconnectors, 3 output disconnectors, 3 battery fuse holders), as well as a manual maintenance bypass that isolates the 3 modules and guarantees power continuity
to the load. Both modules and cabinets are provided with the bypass line separated from the
rectifier line, ensuring greater availability of the power supply to the UPS system and consequently extending this benefit to the load.

Modular plug & play solution

Sentryum Rack can be purchased as a single 20 KVA/KW module and installed in a 19-inch rack cabinet or mechanical support provided by the user. Another way is to lean the module on the right side the display can be rotated 90° counterclockwise. It is also possible to remote the display (maximum 2
meters) in case the module is fitted inside a cabinet. The power terminals (inputs, output, battery) are connected by front harting connectors, ensuring simplicity and operating safety during insertion/removal, protection against electrical contacts and immunity from environmental conditions
typical of industrial settings (dust, humidity, suspended chemical particles). The removal and replacement of a faulty module or the addition into the system of a new one can be carried out easily by the user from the front panel.

Flexibility: Stand alone and Rack cabinet

The Sentryum Rack module can be used as a standalone unit or in a parallel configuration, by simply adding the parallel kit for each module, the UPS system can grow as requirements demand (from 20 to
160 KVA/KW). Every module is completely independent with regards to the control and management of the operator interfaces, this facilitates all monitoring, control and fault detection operations, ensuring increased reliability in that any malfunctions in parts or accessories will not propagate through the entire system. Sentryum Rack ensures vertical scalability that minimizes the system footprint, the user can thus have power capabilities from 20 to 60 KVA/KW for a single Sentryum Rack cabinet without
increasing the footprint. The 20 KVA/KW module in the standalone version is provided with input/output
plug-in harting power connectors (inputs, output, battery) with threes meter length loose electrical cable to arrange the cabling according with the installation enclosure. These cables are not provided when the module is ordered to be fitted inside the Sentryum Rack cabinet, because they are already installed inside it as standard, for the maximum expansion of the cabinet, which includes also all the provisions to let the modules operate in parallel. Stand alone module version can be housed in any suitable cabinet or enclosure and it is compatible with standard 19” width.

High efficiency, power availability and reliability

This Series is derived from the Sentryum and essentially inherits its main technologies and standalone module versions:
• Full power rating available up to 40 °C (KVA=KW unity pf) and up to 96.3% VFI efficiency,
• Zero impact source, thanks to a very low input THDi <3%, input pf 0.99, power walk-in function, power walk-in start delay function,
• Up to 20 Amps battery recharging current and wide battery block range (the standard 20+20 battery blocks @12V with Neutral central point can be adjusted from 15+15 to 22+22),
• Three-level IGBT inverter, extremely low output THDv,
• Up to 270% inverter current for 200 msec. and 150% for 300 msec., which enables the system to deal with sudden peak loads (without static bypass intervention) and provide the short circuit current if required during operation on battery,
• “Cold start” function for starting the UPS from the battery. In addition, Sentryum Rack provides a
filtering and power factor correction function within the power network upstream of the UPS, thus eliminating harmonic components and reactive power generated by the power utilities.

Smart Battery Management

The Smart Battery Management system, compatible with Li-Ion batteries and Supercapacitors, consists of a series of features and capabilities to optimise battery management and obtain the best performance and operating life possible:
• Battery recharging for use with VRLA, AGM, GEL, Open Vented and Nickel Cadmium batteries,
• Availability of different charging methods, like One-level voltage recharge (typically used for VRLA AGM batteries), Two level voltage recharge (according to IU specification) and Cyclical recharge (to
reduce electrolyte consumption and lengthen the life of VRLA batteries),
• Recharge voltage compensation based on ambient temperature,
• Battery tests to diagnose in advance any reduction in performance or problems with the batteries,
• Deep discharge protection, by increasing the end-of-discharge voltage during extended low-load discharges, as recommended by battery manufacturers,
• Negligible Ripple current (residual AC component at low frequency) by using a high frequency battery charger,
• Wide voltage range for the rectifier operating (up to -40% at half load).

Advanced Communications

Sentryum Rack module is equipped with a coloured graphic touch screen display providing UPS information, measurements, operating states and alarms in different languages. The default screen displays the UPS status, graphical indication of the energy path through the UPS and the operational condition of the various assemblies (rectifier, batteries, inverter, bypass) within the UPS. Furthermore, the user interface includes a UPS status led bar which delivers immediate and clear information regarding the overall status of the UPS by changing the colour (light blue, dark blue, orange and red) according with Sentryum Rack Cabinet (Single-phase model).

 

MODELSSingle phase SRΜ output from 20 to 160 KVA/KWThree phase SRΜ output from 20 to 160 KVA/KW 
INPUT 
Rated voltage220 / 230 / 240 + Ν single-phase and 380 / 400 / 415220 / 230 / 240 and 380 / 400 / 415 + Ν three-phase 
Rated frequency50/60 Hz 
Voltage tolerance 230V/400V ±20% at full load 
Frequency tolerance40 – 72 
Power factor @ full load0,99 
Current distortionTHDI ≤ 3%  
BY PASS 
Rated voltage220 / 230 / 240 single-phase380 / 400 / 415 three-phase 
Number of phases1 + N3 + N 
Voltage tolerance  (Ph-N)From 180 (adjustable 180-200) to 264 (adjustable 250-264) referring to neutral 
Rated frequency50 or 60 Hz (selectable) 
Frequency tolerance±5% (selectable) 
Bypass overload110% infinite, 125% for 60 minutes, 150% for 10 minutes 
OUTPUT 
Nominal power  (VA)20 
Active power (W)20 
Power factor1 up to 40 ° C 
Number of phases1  + N3 + N 
Rated voltage (V)220V / 230V / 240V single-phase + N (selectable)380V / 400V / 415V three-phase + N (selectable) 
Rated frequency50 or 60 Hz 
Frequency stability on battery operation0.01% 
Voltage stability± 1% 
Dynamic stabilityEN 62040-3 class performance 1 non-linear load 
Voltage distortion<1% with resistive linear load / ≤1.5% with non-linear load 
BATTERIES 
TypeVRLA AGM/GEL/NiCd/Li-ion /Supercsps 
Recharging methodOne level, Two level, Cyclic recharge (selectable) 
OVERALL SPECIFICATIONS 
Weight of the Power Module [kg]41 
Dimensions of the Power Module (WxDxH) [mm]445(19”)x664x397(9U) 
 
Weight of the cabinet [kg]165 (Power Modules excluded) 
Dimensions of the cabinet (WxDxH) [mm]700x750x2060 (if provided by Riello UPS) 
Maximum number of Power Modules for cabinet3 
Communications for each Power ModuleUPS status led bar – 5 inch graphic touch screen diplay- 2 slots for communications interface USB – RS232 – Contact interface with 5x opto insulated Input and 4x Output relays 
Recommended temperature for battery life+20 °C – +25 °C 
Range of relative humidity5-95% non-condensing 
ColorRAL 9005 
Noise level at 1 m [dBA ±2] SMART ACTIVE<40 for the single power module 
IP ratingIP20 
SMART ACTIVE efficiencyup to 99% 
StandardsEuropean directives: L V 2014/35/EU low voltage Directive EMC 2014/30/EU electromagnetic compatibility
Directive Standards: Safety IEC EN 62040-1; EMC IEC EN 62040-2; RoHS compliant
Classification in accordance with IEC 62040-3 (Voltage Frequency Independent) VFI – SS – 111
 
Moving the partsPallet jack (UPS cabinet) – 2 operators (UPS Power Module) 

 

 

 

 

 

 

 

 

 

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