Critical Power Supplies
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STW 8000 with 7 minutes runtime as standard

SKU STW 8000

STW 8000 Overview The Sentinel Tower 8000 is one of the latest in the UPS range, providing full power protection and ensuring you stay connected. With the Sentinel Tower range, you get a display that can tell you all the critical information you need in running the UPS system. The Sentinel Tower 800

Description

STW 8000 Overview The Sentinel Tower 8000 is one of the latest in the UPS range, providing full power protection and ensuring you stay connected.

With the Sentinel Tower range, you get a display that can tell you all the critical information you need in running the UPS system.

The Sentinel Tower 8000 is rated for 8000 Watts and can protect all of your critical infrastructure equipment.

Ideal for areas such as light industry, server rooms, data centres, telecommunications and medical requirements.

The Sentinel Tower range is designed to have a high overload capacity of up to 170% by inverter.

Even with mains failure, this allows flexibility when adding new equipment to ensure constant running.

Extended Runtime Options Extend your runtime for the STW 8000 Need more runtime?

Try the STW 10000 ER STW 8000 (Required) 7 Minutes 1 x BB STW 240V A3 9 Minutes 2 x BB STW 240V M1 16 Minutes STW 10000 ER (Required) No internal batteries but a larger charger.

1 x BB 1320 240V B1 33 Minutes 2 x BB 1320 240V B1 87 Minutes 3 x BB 1320 240V B1 142 Minutes Features Total microprocessor and DSP control.

Unity power factor means you get a real output power (W) Economy Mode offers up to to 98% efficiency, which allows for the selection of Line Interactive technology (VI) to power low priority loads from the mains supply.

Emergency: the UPS can be selected to function only when the mains power supply fails (emergency only mode).

High overload capacity: 170% by inverter (even with mains failure).

Automatic and manual battery test.

Compatible with Riello Connect remote monitoring.

Product Drawing Front View Display panel Removable front panel Cooling fan Rear View Battery expansion connector Cooling fan Parallel card (optional) Slot for optional accessory communication cards and contacts cards USB communication port RS232 Communication port Remote commands terminal EnergyShare sockets (10A max) and overcurrent protection Mains input switch (SWIN) Internal battery fuse holder isolator (SWBATT) Manual bypass switch (SWMB) Output switch (SWOUT) Terminals cover panel

Specifications

INPUT
Dual Input no Rated power
8000
VA Voltage
380-400-415
Vac (3W+N+PE)
220-230-240
Vac (1W+N+PE) Voltage tolerance
242 Vac < Vin < 478 Vac @50% LOAD / 318 Vac < Vin < 478 Vac @ 100%
LOAD (3W+N+PE)
140 Vac < Vin < 276 Vac @50% LOAD / 184 Vac < Vin < 276 Vac @ 100%
LOAD (1W+N+PE) Frequency
50/60
Hz
5
Hz Frequency tolerance
50
Hz
20% / 60
Hz
20%
Power factor
>0.98
Current distorsion
?5% BY
PASS
Voltage tolerance
180264
Vac
(selectable in
Economy Mode
and
SMART ACTIVE
Frequency tolerance Selected frequency
5% (user configurable)
Number phases
1
OUTPUT
and
INVERTER OUTPUT
Rated power
8000
VA Active power
8000 W
Crest factor (Ipeak/Irms)
3 1
Waveform Sinewave Frequency
50/60
Hz selectable Voltage distortion with distorcing load
<6%
Voltage distortion with linear load
<3%
Inverter efficiency at rated load
95% %
OVERLOAD TIMES
100% < Load < 110% activates the bypass after 10 min
Continues to work on by-pass
110% < Load < 133% activates the bypass after 1 min shut down after 1 hour 133% < Load < 150% activates the bypass after 5 s shut down after 10 min Load > 150% activates the bypass instantaneously shutdown after 3 s (load > 150%) shutdown after 2 s (load > 200%)
BATTERIES
Type VRLA AGM
lead, maintenance-free
Typical recharge time
46 h
OPTIONS
Parallel kit (to order with the UPS)
Yes
ENVIRONMENTAL
Altitude max
1000 m at nominal power (-1% power for every 100 m above 1000 m) 4000 m maximum
Color Black RAL
9005
Communication USB
/
DB9 with RS232 and contacts
/
Slot for communication interface Safety compliance EN
62040-1:2008;
EN
62040-1/EC:2009;
EN
62040-1/A1:2013 and
Directive
2014/35/EU
EMC conformance EN
62040-2 and
Directive
2014/30/EU
Accessories provided USB cable Protection
rating
IP20
Surge capability
1
VDR x
300
Joules Marks CE Protections Overload
– short-circuit – overvoltage – undervoltage – temperature – low battery
AC/AC efficiency
95%
Line-Interactive/Smart Active efficiency
98%
Noise (at 1 m)
<48 dBA
Operating temperature
0 40 C
Relative humidity
5 – 95% no condensing
Output sockets Terminal block
+ 2
IEC
320
C13 DATA
Weight
78 kg
Dimensions (h w d)
698 x 500 x 250 mm
Input phases
1
Output phases
1 | INPUT |
Dual Input
| no |
Rated power
| 8000 VA | Voltage | 380-400-415
Vac (3W+N+PE)
220-230-240
Vac (1W+N+PE)
|
Voltage tolerance
| 242 Vac < Vin < 478 Vac @50% LOAD / 318 Vac < Vin < 478 Vac @ 100%
LOAD (3W+N+PE)
140 Vac < Vin < 276 Vac @50% LOAD / 184 Vac < Vin < 276 Vac @ 100%
LOAD (1W+N+PE)
| Frequency | 50/60
Hz
5 Hz |
Frequency tolerance
| 50
Hz
20% / 60
Hz
20% |
Power factor
| >0.98 |
Current distorsion
| ?5% |
BY PASS
|
Voltage tolerance
| 180264
Vac
(selectable in
Economy Mode
and
SMART ACTIVE
Frequency tolerance
|
Selected frequency
5% (user configurable) |
Number phases
| 1 |
OUTPUT and INVERTER OUTPUT
|
Rated power
| 8000 VA |
Active power
| 8000 W |
Crest factor (Ipeak/Irms)
| 3 : 1 | Waveform | Sinewave | Frequency | 50/60
Hz selectable
|
Voltage distortion with distorcing load
| <6% |
Voltage distortion with linear load
| <3% |
Inverter efficiency at rated load
| 95% % |
OVERLOAD TIMES
| 100% < Load < 110% | activates the bypass after 10 min
Continues to work on by-pass
| 110% < Load < 133% | activates the bypass after 1 min shut down after 1 hour | 133% < Load < 150% | activates the bypass after 5 s shut down after 10 min | Load > 150% | activates the bypass instantaneously shutdown after 3 s (load > 150%) shutdown after 2 s (load > 200%) | BATTERIES | Type |
VRLA AGM
lead, maintenance-free |
Typical recharge time
| 46 h | OPTIONS |
Parallel kit (to order with the UPS)
| Yes | ENVIRONMENTAL |
Altitude max
| 1000 m at nominal power (-1% power for every 100 m above 1000 m) 4000 m maximum | Color |
Black RAL
9005 | Communication | USB /
DB9 with RS232 and contacts
/
Slot for communication interface
|
Safety compliance
|
EN
62040-1:2008;
EN
62040-1/EC:2009;
EN
62040-1/A1:2013 and
Directive
2014/35/EU |
EMC conformance
|
EN
62040-2 and
Directive
2014/30/EU |
Accessories provided
|
USB cable
|
Protection rating
| IP20 |
Surge capability
| 1
VDR x
300 Joules | Marks | CE | Protections | Overload – short-circuit – overvoltage – undervoltage – temperature – low battery |
AC/AC efficiency
| 95% |
Line-Interactive/Smart Active efficiency
| 98% |
Noise (at 1 m)
| <48 dBA |
Operating temperature
| 0 40 C |
Relative humidity
| 5 – 95% no condensing |
Output sockets
|
Terminal block
+ 2
IEC
320 C13 | DATA | Weight | 78 kg |
Dimensions (h w d)
| 698 x 500 x 250 mm |
Input phases
| 1 |
Output phases
| 1
Active power | 8000 W
Crest factor (Ipeak/Irms)
| 3 1
Color | Black RAL 9005
Safety compliance
|
EN
62040-1 2008;
EN
62040-1/EC:2009;
EN
62040-1/A1:2013 and
Directive
2014/35/EU
Active power | 8000 W
Crest factor (Ipeak/Irms)
| 3 1
Color | Black RAL 9005
Safety compliance
|
EN
62040-1 2008;
EN
62040-1/EC:2009;
EN
62040-1/A1:2013 and
Directive
2014/35/EU

Technical resources