4
USER MANUAL
1 Introduction
1.1 Main features
• Nominal Apparent Power
290 VA at power factor f 0,9
• Nominal Real Power
260W
• Nominal Reactive Power
260 VAr at power factor 0.9
• Max. Reactive Power
0-260 VAr (cap., ind.)
• Max efficiency
96,1%
• Large voltage and power input range - corresponds to the majority of 60 and 72-cells PV modules
• Reactive power capability – wide range
• Dynamic power factor
• Integrated relay for safe grid disconnection
• Galvanic isolation of DC side from AC side with HF transformer
• Low ripple current
• 0.0 W standby consumption
• WMBUS standard wireless communication
• DC circuit is isolated and insulated from ground
• Quick installation
• Full power at ambient temperature 65°C
• Die cast aluminum enclosure with completely potted electronics
• IP 67 – dust tight, no ingress of dust; immersion in water up to 1 m for 30 minutes
• Integrated foil capacitors, allowing very long life-time (25 years)
• Design flexibility
• Letrika 50 years’ experience in automotive and heavy duty electronics and electro mechanics
Protection Function
• Over and under voltage protection
• Over and under frequency protection
• Anti-Island protection
• Surge protection device (SPD) integrated
• Mains Monitoring Switching Device (MSD) integrated according to VDE 4105
INTRODUCTION
