User manual

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%
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Nominal input current See section 3, table “Type range”
Inrush current ≤ nominal current
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Overall efficiency ≥87%
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Internal input fusing MCB 1-pole
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No, external
AC Output
Nominal output voltage 230V
AC ± 0,5% (±5% at parallel operation), sinusoidal
Nominal output current 10.9A
AC 14.35AAC 21.7AAC
Nominal output power See section 3, table “Type range”
Overload capability 130% for 10 seconds
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Output frequency 50 or 60Hz
programmable
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Synchronisation range 45- 65Hz
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Accuracy ±0.5% static
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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
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Crest factor ≤ 3
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Power factor range 0.5 ind. - 1- 0.5 cap.
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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
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