KR33 Series 300-1200kVA

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·  Data center

·  Precision instrument

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KR33 Series 300-1200kVA

Advanced Technology

● Three level inverter technology
● Support parallel mode up to 9.6MVA
● External input/output transformer connection

Green Power

● High AC/AC efficiency up to 97%
● ECO mode efficiency up to 99%
● High power factor up to 1
● Low THDi ≤2%

Flexible Design

● Common battery bank sharing in parallel system
● Multiple communication interface
● 3-stage battery charging mode
● Self-load test function without load enables onsite commission
● Common bypass cabinet
● External input and output isolation transformer

Rate Voltage380/400/415
Voltage Range228-477 (-40%~+25%)
Frequency Range (Hz)50/60±10% (±5% settable)
Power Factor≥ 0.99
THDi<3% (linear load)
Input   Voltage (Vac)380/400/415   (-25%~+20% )
Frequency Range50/60Hz±10% (±5%    optional)
Output Voltage (Vac)380/400/415±1%
Frequency (Hz)50/60±0.5%
THDv<1% (linear load), <3% (non-linear load)
PF0.9 (1.0 optional)
Max. Efficiency97%
Overload110% load for 60 min, 125% load for 10 min, 150% load for 1 min, about 150% will transfer to bypass after 1s
Voltage (Vdc)*480 (12V battery from 32   to 44 cells settable)528 (12V battery from 32 to 48 cells settable)
Charging Current (A)25-10025-200
Battery ManagementSelf-load test function
Communication InterfaceRS232, RS485, Dry contact, MODBUS, SNMP (optional)
Display7-inch touch screen+LED
Operating Temperature (℃)-5~40
AlarmInput abnormal, battery low-voltage, output overload, UPS  failure
ProtectionShort-circuit, overload, over-temperature, battery   under voltage, input under voltage
Noise (dB)<75
Altitude (m)1500
Dimension (W×D×H) (mm)1000×900×19501400×900×19501900×900×19503000×900×1950
Weight (kg)750110014502400

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