Quick overview from the supplier:
UPS PowerCom KIN-3000AP 3000VA/2400W, Rack 3U, Line Interactive,LCD, AVR, USB, RJ45, 8xIEC C13
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https://www.upspowercom.com/UPS-KRM.jsp
Model: PowerCom King RM KIN-3000AP RM
Form: Rack 3U
Capacity(VA): 3000 VA
Capacity(Watts): 2400 W
Key Advantage:
Line-Interactive UPS Design
Simulated Sinewave Output
Build-in AVR for Fluctuating Voltage
EMI / RFI Noise Filter Applied
Surge, Short Circuit, Overload Protections
INPUT
Voltage : 220 / 230 / 240 Vac
Voltage Range : 165 - 300 Vac
Frequency Range 50 / 60 Hz (Auto Sensing)
OUTPUT
Waveform Simulated Sine Wave
Voltage : 220 / 230 / 240 Vac
Frequency : 50 / 60 Hz ± 0.5 Hz
Transfer Time 2 - 4 ms(Typical)
PROTECTION
Full Protection : Overload, Surge, Short Circuit
Tele Communication : RJ11 / RJ45
BATTERY
Sealed, Maintenance Free
Type&Quantity: 4*12V 9Ah
Typical Recharge Time: 8 Hr to 90%
Indicator: LED/LCD Panel
Communication Port: RS232, USB(B-type)
PHYSICAL
Dimensions(WxDxH)(mm) : 428 x 486 x 130
Weights(Kgs) 32,7