DC/AC Inverter
UNV-F
User Manual
Page 25 (28)
©2009. ELTEK VALERE DEUTSCHLAND GmbH.
UM_UNVF_ E_R2.0
7. Technical Specifications
Type range
UNV-2.5F
UNV-3.3F
UNV-5.0F
Article code
See section 3, table “Type range”
DC Input
Nominal input voltage
See section 3, table “Type range”
Input voltage tolerance
range
+20/-15%
Nominal input current
See section 3, table “Type range”
Inrush current
≤ nominal current
Overall efficiency
≥87%
Internal input fusing
MCB 1-pole
No, external
AC Output
Nominal output voltage
230V
AC
± 0,5% (±5% at parallel operation), sinusoidal
Nominal output current
10.9A
AC
14.35A
AC
21.7A
AC
Nominal output power
See section 3, table “Type range”
Overload capability
130% for 10 seconds
Output frequency
50 or 60Hz
programmable
Synchronisation range
45- 65Hz
Accuracy ±0.5%
static
Recovery time
<0.3 ms for load transients 10%- 90%- 10%
Short circuit protection
continuously short circuit proof, 3x Inom for approx. 3 sec.
Parallel operation
max. 16 pieces, load sharing approx. 5% Inom
THD
≤ 2% for linear load
Crest factor
≤ 3
Power factor range
0.5 ind. - 1- 0.5 cap.
Standard Features
LED signalling
Standby, Vo, Vi>, Vi<, overload, over temperature, general fault
Electronic protection
Mechanically coupled input and output MCB (not UNV-5.0F), input under voltage
shut down, input over voltage shut down, over temperature shut down,
overload/short circuit shut down.
External synchronization
Parallel operation and three-phase systems without additional components or
specified master
Remote signals
Relay contact “General Fault”
Digital display
2 x 3 digits; output voltage, output current, frequency, input voltage, input
current, temperature, effective power, apparent output, cos
φ
Microprocessor control
Programmable monitoring and protection for all system parameters
Communication
CAN-Bus interface for communication with static transfer switch UNB
Environmental
Ambient temperature
Operation: 0°C up to +45°C(max. 40°C fitted in cabinets), storage: -40°C up to
+85°C
Climatic conditions
according to IEC 721-3-3 class 3K3/3Z1/3B1/3C2/3S2/3M2
Max. installation altitude
≤ 1500m
