Operating temperature

–20°C to +45°C

Storage temperature

–40°C to +70°C

Relative humidity

5%–95% RH

Altitude

0–5000 m

When the altitude ranges from 2000 m to 5000 m, high temperature derating applies and the operating temperature decreases by 1°C for each additional 200 m.

Noise level

≤ 65 dBA (acoustic pressure)

Operating environment

Class B environment

Other requirements

• There must be no conductive dust, corrosive gas, or explosion hazard.
• Dust, corrosive substances, pests, molds, and other indicators must be controlled in accordance with Class 3.1 requirements in ETSI EN 300 019-1-3 (V2.3.2 or a later version).

AC input

AC power system

Three-phase four-wire

Input voltage

Rated phase voltage: 200 V AC/208 V AC/220 V AC/230 V AC/240 V AC (configurable on the SMU)

Input overvoltage protection threshold

110%, 115%, or 120% of the rated voltage

Input undervoltage protection threshold

90%, 85%, or 80% of the rated voltage

Input frequency

Rated frequency: 50 Hz/60 Hz; frequency range: 45–66 Hz

Maximum input current

105 A

DC input

Input voltage

43.2–57 V DC, default value: 53.5 V When the input voltage is lower than 52 V, the power of inverter modules is derated.

Maximum input current

650 A

Inverter output

Output voltage

200 V AC/208 V AC/220 V AC/230 V AC/240 V AC (configurable on the SMU)

Output frequency

50 Hz±1%

Output capacity

• When the input voltage ranges from 52 V DC to 57 V DC, the maximum output capacity is 36 kVA/28.8 kW for a three-phase load, and 12 kVA/9.6 kW for a single-phase load.
• When the input voltage ranges from 43.2 V DC to 52 V DC, the maximum output capacity is 30 kVA/24 kW for a three-phase load, and 10 kVA/8 kW for a single-phase load.

Overload capability (pure resistive load)

105% ≤ Load ≤ 125%, t > 1 min

Load > 125%, t ≤ 1s

AC bypass

Maximum bypass output capacity

36 kVA

Overload capability (pure resistive load)

• 105% ≤ Load ≤ 125%, able to operate for a long time
• 125% < Load ≤ 150%, t > 1 min

Time for transferring between bypass mode and inverter mode (uninterrupted transfer)

When the resistive load is greater than or equal to 10% of the rated capacity, if the AC input fails due to a grid power outage or the AC input circuit breaker trips, the time for transferring between bypass mode and inverter mode is less than or equal to 10 ms.

DC output

Output voltage

Lithium battery 48 V discharge mode: 43.2–53.5 V DC, 53.5 V by default

Lithium battery 57 V discharge mode: 57 V

Maximum battery capacity

60 ESM-48100B1s

Inverter module peak efficiency

≥ 94%

Certification

CE

Safety design

Complies with IEC 62477-1 and IEC 62040-1.

Cooling mode

Free cooling

Cabling mode

Routed in from the top and out from the front

IP rating

IP20

Dimensions (H x W x D)

267 mm x 482.6 mm x 350 mm

Weight

≤ 30 kg (excluding modules)

Electromagnetic interference (EMI)

Conducted emission (CE)

• AC port: C3
• DC port: C3

Radiated emission (RE)

C3

Electromagnetic susceptibility (EMS)

Electrostatic discharge (ESD)

• Enclosure: 6 kV contact discharge, 8 kV air discharge (criterion B)
• Signal port: contact discharge 2 kV (criterion R)

Electrical fast transient (EFT)

• Power port: 2 kV/5 kHz (criterion B)
• Signal port: 2 kV/5 kHz (criterion B)

Radiated susceptibility (RS)

The test frequency ranges from 80 MHz to 6 GHz, and 80% AM (1 kHz) modulation is used.

Conducted susceptibility (CS)

0.15–80 MHz, 10 V 80% AM (1 kHz)

Surge susceptibility

• AC power port: 2 kV in horizontal direction (1.2/50 μs), 4 kV in vertical direction (1.2/50 μs) (criterion B)
• DC power port: 2 kV in differential mode (1.2/50 μs), 4 kV in common mode (1.2/50 μs) (criterion B)
• Network port: northbound, southbound (criterion B)

• Dry contact (unbalanced line): 1 kV in differential mode, 1 kV in common mode (criterion B)