522 kWh Liquid-Cooled Energy Storage Cabinet (250 kW)

02Overview

03Key features

• 522 kWh
  • Detailed characteristics to be confirmed for this model.
• 250 kW
  • Detailed characteristics to be confirmed for this model.
• Liquid-cooled
  • Detailed characteristics to be confirmed for this model.
• Specified against the duty cycle
  • Cell and plate selection matched to the real operating profile.
  • Capacity and autonomy sized to the load, not to a catalogue average.
• Batch control
  • Incoming material control and in-process inspection on every batch.
  • Traceability from plate casting through to packing.
• End-of-line testing
  • Electrical testing before packing, with results available on request.

04Specification

Model

ESSL522-832-05C (250 kW / 522 kWh)

Nominal capacity

522 kWh

Rated output power

250 kW

Rated voltage

DC 832 V

Capacity

628 Ah

Voltage range

DC 689 V to 936 V

Rated current

314 A

Connection

Three-phase four-wire + PE

AC grid voltage

380 V (-15% to +15%)

Grid frequency

60 Hz

Power factor

1 leading to 1 lagging

Off-grid voltage

380 V

Unbalanced load

100% three-phase unbalanced load supported

Communication

RS485, Ethernet, 4G

Cell type

LFP 3.2 V / 314 Ah

Battery configuration

1P52S per box, 1P260S per two clusters

Fire suppression

Cabinet level + in-pack level

Thermal management

Cooling, heating, self-test, communication

Operating temperature

-20 to 50 C

Operating humidity

5% to 95% RH, non-condensing

Dimensions (W x D x H)

2468 x 1368 x 2123 mm

Weight

4.5 t

Protection rating

IP54

Altitude

up to 3000 m

Figures are taken from the current AllGrand product brochure. Specifications are indicative and may be revised without notice — confirm with our engineers before ordering.

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