MODEL

KR3310S/

KR3310

KR3320S/

KR3320

KR3330S/

KR3330

KR3340

KR3350

KR3360

INPUT

Voltage (Vac)

380±25% (-45% in half load)

Frequency (Hz)

50/60 ±10%

Bypass Voltage (Vac)

380+15%(+20% can choose)/-25%

Power Factor

≥0.99

Phase

3φ4W+PE

OUTPUT

Capacity (KVA/KW)

10/8

20/16

30/24

40/32

50/40

60/48

Voltage (Vac)

L-N:220 ±2%     L—L:380±2%

Frequency (Hz)

50/60±0.2%(battery mode)

Phase

3φ4W+PE

Unbalance three-phase voltage stabilization with full load

≤2%

Waveform

Pure sine wave, THD<3% at linear load

Transfer Time

0

Efficiency

≥91%

Overload

130% load for 1 minute, 150% load for 10 seconds

BATTERY

Battery voltage (Vdc)

348

BATT Type

29×7Ah12V/ External

58×7Ah12V/ External

58×7Ah12V/ External

External

Charging Current (A) Max

1/4

2/6

2/6

8

OTHER

Maintenance Bypass

Yes

Communication Interface

RS232/RS485, DB9 dry contact (MODBUS and SNMP adapter are optional)

Display

LCD Display indicates frequency, voltage, load, battery voltage, etc.

LED indicates running status

Alarm

AC input abnormal, low battery, overload, failure

Protection

Output short-circuit, overload, over-temperature, battery low voltage, output over/low voltage

Noise(dB)

<65

Working Temperature

0~40

Relative Humidity

0 ~ 95%, No condensation

Dimension (W×D×H)(mm)

400×800×1600 / 400×800×1180

500×800×1600

Weight (kg)

Standard/

Long backup

200/105

210 / 115

330 / 125

215

235

255