Technical data
Sine Wave Inverters
Sine Wave Inverters
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130323
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40630
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Steca Elektronik GmbH | 87700 Memmingen | Germany | Fon +49 (0) 8331 8558-0 | Fax +49 (0) 8331 8558-132 | www.steca.com
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Steca Xtender XTM
1500-12, 2000-12, 2400-24, 3500-24, 2600-48, 4000-48
The basic functions of the combined inverter of the Steca
Xtender series are the inverter, the battery charger, the swit-
ching function and the support of external sources of alterna-
ting current. These functions can be combined and controlled
fully automatically, the range offers outstanding user-friendli-
ness and very good exploitation of the energy available.
All the settings of the Steca Xtender XTM can be remote con-
trolled. When a software with new functions is available, it
can be loaded into the system, so the Steca Xtender XTM
always stays up to date. Several Steca Xtender XTM can be
connected in parallel or to form a three-phase system. That
means that up to nine Steca Xtender XTM can work toge-
ther.
Multifunction contacts
These potential-free contacts can be programmed for many
different applications. They can react to any event outside or
inside of the inverter (grid availability, battery voltage, fault
message ...) They can also be programmed on a timer or can
be switched on during particular times (at night, at the week-
end ...). In this way, they can serve to start up a generator,
to switch off less important loads, to signal a fault, to charge
batteries depending on the situation, etc.
Smart-boost function
With the smart-boost function, the output of another source
of alternating current, such as a power generator or a land
connection, can be increased; even when special loads are
being used (inductive, asymmetric, with high switch-on cur-
rent). It is also possible to combine the Steca Xtender XTM
with almost all inverters which are already present in order to
increase the available output.
Product features
True sine wave voltage
Excellent overload capabilities
Optimal battery protection
Adjustable integrated battery charger
Multistage programmable battery charger with PFC
Automatic load detection
Standby load detection adjustable over a wide range,
starting from a low value
Parallel connectable
Best reliability
Can be used as a back-up system or uninterruptible
power supply (UPS)
Multifunction contact
Adjustable power sharing
Reliable and noiseless with any kind of load
Support of sources of alternating current (Smart Boost)
Automatic support for peak loads (Power Shaving)
Ultra-fast transfer relay
High efficiency
Control by digital signal processor (DSP)
Electronic protection functions
Deep discharge protection
Battery overvoltage shutdown
Overtemperature and overload protection
Short circuit protection
Reverse polarity protection by internal fuse
Acoustic alarm at deep discharge or overheating
Displays
5 LEDs show operating states
for operation, fault messages
Operation
Main switch
Adjustable load detection
Options
Type with 115 V / 60 Hz
Model with protective lacquered mainboard
Temperature sensor BTS-01 to correct the voltage
thresholds according to the current battery temperature
Certificates
Compliant with European Standards (CE)
RoHS compliant
—
[ar eas o f a pp lic at ion ]
[1,500 W ... 4,000 W]
Steca RCC-02
Remote control and display
(incl. 2 m cable)
Suitable for wall-mounting (see page 57).
Not illustrated:
Steca RCC-03
Remote control and display
(incl. 2 m cable)
Suitable for rack installation.
Steca BTS-01
Battery temperature sensor
(incl. 5 m cable)
This sensor allows the battery voltages to be adjusted to the
battery temperature.
Communications cable
Connection to the three-phase system or to the
parallel connection CAB-RJ45-2 (2 m)
This is used to connect several inverters together to a three-
phase system or a system connected in parallel.
XTM 1500-12 XTM 2000-12 XTM 2400-24 XTM 3500-24 XTM 2600-48 XTM 4000-48
Characterisation of the operating performance
System voltage 12 V 12 V 24 V 24 V 48 V 48 V
Continuous power 1,500 VA 2,000 VA 2,000 VA 3,000 VA 2,000 VA 3,500 VA
Power 30 min. 1,500 VA 2,000 VA 2,400 VA 3,500 VA 2,600 VA 4,000 VA
Power 5 sec. 3.4 kVA 4.8 kVA 6 kVA 9 kVA 6.5 kVA 10.5 kVA
Max. efficiency 93 % 93 % 94 % 94 % 96 % 96 %
Own consumption standby / ON 1.4 W / 8 W 1.4 W / 10 W 1.6 W / 9 W 1.6 W / 12 W 2 W / 10 W 2.1 W / 14 W
Power Factor Correction (PFC) according EN 61000-3-2
Acoustic level < 40 dB / < 45 dB (without / with ventilation)
Input side
Input voltage < 265 V AC (adjustable: 150 V AC … 265 V AC)
Charging current adjustable 0 A … 70 A 0 A … 100 A 0 A … 55 A 0 A … 90 A 0 A … 30 A 0 A … 50 A
Max. current on transfer system
50 A
Input frequency 45 Hz … 65 Hz
Battery side
Battery voltage 9.5 V … 17 V 9.5 V … 17 V 19 V … 34 V 19 V … 34 V 38 V … 68 V 38 V … 68 V
AC output side
Output voltage 230 V AC +/-2 % / 190 V AC … 245 V AC (true sine wave)
Output frequency 50 Hz, adjustable: 45 Hz … 65 Hz +/-0.05 % (crystal controlled)
Total harmonic distortion < 2 %
Load detection (standby) 2 W … 25 W
Operating conditions
Ambient temperature -20 °C … +55 °C
Fitting and construction
Power Smart-Boost 1,500 VA 2,000 VA 2,400 VA 3,500 VA 2,600 VA 4,000 VA
Input current balance adjustment 1 A … 50 A
Multifunction contact adjustable 2 independent contacts 16 A / 250 V AC (potential free change-over contacts)
Degree of protection IP 20
Dimensions (X x Y x Z) 323 x 463 x 130 mm
Weight 15 kg 18.5 kg 16.2 kg 21.2 kg 16.2 kg 22.9 kg
Cooling principle fan from 55 °C
Parallel connection possible 3 x 1 phase and three-phase
Technical data at 25 °C / 77 °F










