Model Number: SL-3KL Brand Name: Unipower Key Specifications/Special Features: Product introductionSL series UPS applies CPU integrated control technology with pure sine wave output. Input voltage range is wide and its transfer speed is fast. Possesses automatic voltage regulation function and different charging current is optional. Long backup time models are available, which can be connected to external batteries as per user's actual need, so back up time will be unlimited.Key specificationsRated capacity: 3000VAReal power: 2100W
Indicator panel: LCD display/LED display (Optional)

AC Mode:
Input voltage: 145-275Vac
Input frequency: 45-65Hz
Output voltage: 200-240Vac

Inverter Mode:
Output voltage: 220V ±5%
Output frequency: 50 ±0.5Hz
Power factor: 0.7
Output wave form: Pure Sine Wave
Transfer time: Typical 2-6ms, 10ms max
Overload capability: 110% shut down within 60 secs;120% shut down within 5 secs.
Overcurrent protection: System shuts down automatically within 20ms

Battery:
Battery type: Sealed maintenance-free lead-acid batteries
DC voltage: DC 48V
QTY.& capacity of battery: External Battery
Charging current: 5A/10A (Settable)
Charging period: Depends on the batteries connected

Physical:
Net weight(kg): 32.7
Dimension(mm): 455*195*330

Environment:
Temperature 0°C- 40°C
Humidity: 20%-90%
Noise level: less than 40dB (1m)
Altitude: Less than 1000m (altitude exceeds 1000m, full power cannot reach)

Management:
USB and RS232: Optional

Features

1. Double CPU controlled
2. Silence function
3. Pure sine wave output
4. Compatible with generator
5. Automatically transferred to battery mode when input over voltage or under voltage
6. Output overload and short circuit protection
7. Can be connected to external battery for longer power supply
8. Powerful charging current for high-capacity battery
9. RJ11/RJ11/RJ45, communication line protection function
10. RS-232/USB port (optional), intelligent monitoring function.