Riello Vision Dual 1100VA 230V Rackmount/Tower VSD-1100


-Flexible installation (2U rackmount or freestanding tower)

-Simple plug and play installation

-Easy to maintain with hot-swappable batteries

-Up to 98% operational efficiency cuts energy waste

-Prioritise your critical loads with our advanced EnergyShare sockets

-Extended runtime versions available (2200VA and 3000VA versions)

-Rotating LCD display panel shows UPS status, load, and battery level

-5-year warranty provides additional peace of mind 

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£383.00 (£459.60 inc VAT)

SKU: VSD-1100

In Stock


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Doubly versatile line-interactive UPS

Vision Dual (VSD) is a line-interactive UPS designed to protect conventional or rack servers, network backup systems, and IT network devices. Plug and play either as a freestanding tower or as a 2U rackmount UPS.  

Superior Performance

VSD has an output power factor of 0.9 and delivers 98% operational efficiency, reducing your power consumption. EnergyShare socket allows load-shedding so you can prioritise backup to your most critical loads. 

Extended Battery Autonomy

Batteries are easily hot-swappable from the front panel. Extended runtime versions fitted with more powerful chargers available for 2200 VA and 3000 VA versions, enabling several hours’ autonomy. 


Rated power 1100 VA
Voltage 220 / 230 / 240 V
Frequency 50 Hz or 60 Hz ±5
Frequency tolerance 50 Hz ±5% / 60 Hz ±5%
Power factor >0.98
Current distorsion ≤7%
Rated power 1100 VA
Active power 990 W
Crest factor (Ipeak/Irms) 2.5 : 1
Wave form on battery Sinusoidal
Frequency on battery operation Selectable: 50 Hz or 60 Hz or self-learning
Voltage distortion with non-linear load <8%
Voltage distortion with linear load <3%
Load = 150% 1 sec.
Load = 125% 10 sec.
Type VRLA AGM maintenance-free lead based
Typical recharge time 2-4 h
Color Black
Communication USB / DB9 with RS232 and contacts / Slot for communication interface
Accessories provided Power cable, serial cable, USB cable, safety manual, quick start guide, user manual on CD-ROM
Surge capability 300 J
Protections Overcurrent - short circuit - overvoltage - undervoltage - temperature - excessive low battery
Line-Interactive/Smart Active efficiency 98.5%
Noise (at 1 m) <40 [bBA] (ECO Mode)
Storing temperature 0 °C - +40 °C
Relative humidity 5-95% non-condensing
Standards European directives: L V 2014/35/EU low voltage; EMC 2014/30/EU electromagnetic compatibility -- Directive and Standards: Safety IEC EN 62040-1; EMC IEC EN 62040-2; RoHS compliant
Weight 16.5 kg
Dimensions (h w d) 425x87x450 / 2Ux19''x425 mm



5 year warranty