380V 50Hz EPS Emergency Power Supply for fire fighting YJS Series 2.2 - 500KW

YJS series 2.2-500KW

YJS 2.2-22KW

YJS 25-500KW

Input

Voltage

380VAC ± 25%

Phase

Three phases + four wires + PE

Frequency

50HZ ± 5%

Output

Capacity

2.2KW - 500KW

Voltage

380VAC ± 3%

Wave form

Sine wave (THD ≤ 3%)

Frequency

50HZ ± 0.5%

Overload

≥ 120% 30 s , ≥ 150% 5 s

Battery

Type

VRLA (valve regulated lead acid), sealed, and maintain-free.

Nominal voltage

216VDC

324VDC

Charge time

< 24 hours

Backup time

90 minutes (Chinese standard, and it's adjustable.)

Transfer time

<5 s (≤ 0.25s, ≤ 0.25ms or 0ms is optional)

Protection

Overload, short-circuit, low voltage and lacking phase.

Display

LED or LCD, or both LED and LCD

Efficiency

DC mode ≥ 92%, AC mode ≥ 98%

Working condition

Noisy (1 m distance)

AC mode 0 dB, DC mode ≤50dB (≥75KW, ≤65dB)

Humidity

0-90% non condensing

Temperature

-20℃ - 40℃

Height of sea level

> 2000m

Adaptive load

Suitable to both the inductive load and inductance capacitance load, or mixed load.

Open doorr and coil in method

Single open for front door, double open for back door, coil in and out in bottom (standard or customized).