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Description

GoodWe ESA GW3K-EHA-G20 (3 kW single-phase power module)

The GW3K-EHA-G20 is the 3 kW single-phase ESA G20 power module: 3.0 kVA rated backup, 6.0 kW PV on 2 MPPT trackers (1/1), backup 3.0 (6.0, 10 s).

  • 3.0 kVA rated backup; max 3.0 (6.0, 10 s); from-grid 6.0 kVA (this column’s from-grid current, not 63 A).

  • 6.0 kW maximum PV input on 2 MPPTs (1/1), 20 A / 26 A Isc.

  • Battery window 350–550 V; charge 4.5 kW at 11.9 A, discharge 3.3 kW at 8.7 A.

  • IP66, natural convection, 24 kg, 800 × 300 × 270 mm.

3.0 kVA rated backup.

Rated backup 3.0 kVA. Maximum 3.0 (6.0, 10 s). From-grid 6.0 kVA (this column’s from-grid current, not 63 A). Switching <4 ms. IP66, wall or floor mounted, −35 to +60 °C.

3.3 kW maximum battery discharge at 8.7 A

One battery input. Charge 4.5 kW at 11.9 A, discharge 3.3 kW at 8.7 A, 350–550 V, nominal 380 V, start-up 380 V. Battery-to-AC efficiency 98.0%.

6.0 kW PV input across 2 MPPTs

2 MPPTs, strings 1/1, 20 A / 26 A Isc. Max PV 6.0 kW, MPPT window 40–560 V, start-up 50 V, max 600 V.

Technical data

AC output and backup
Nominal power
3 kW
Max. current to grid
13.7 @ 220 V; 13.1 @ 230 V; 12.5 @ 240 V A
220 / 230 / 240 V, L / N / PE, 50 / 60 Hz
Max. apparent power from grid
6.0 kVA
this column’s from-grid current, not 63 A
Max. current from grid
27.3 @ 220 V; 26.1 @ 230 V; 25.0 @ 240 V A
this column’s from-grid current, not 63 A
Backup rated apparent power
3.0 kVA
Backup max. apparent power
3.0 kVA (6.0, 10 s)
bypass 6.0 kVA / 27.3 A
On/off-grid switching time
<4 ms
UPS-level switching on the datasheet panel
Power factor / THDi
~1 (0.8 leading … 0.8 lagging) / THDi <3%
PV input
Max. PV input power
6.0 kW
Max. input voltage
600 V
standby between 560 V and 600 V
MPPT operating voltage range
40 ~ 560 V
at nominal power 150~500 V
Start-up voltage
50 V
Number of MPPTs / strings
2 / 1/1
Max. MPPT current / short-circuit current
20 / 26 A
Battery port
Battery type / voltage window
LiFePO4 V; 350 ~ 550 V
nominal 380 V, start-up 380 V; one battery input
Max. charge / discharge power
4.5 / 3.3 kW
Max. continuous charge / discharge current
11.9 / 8.7 A
Efficiency
Max. efficiency
97.6 %
European efficiency
96.5 %
Max. battery-to-AC efficiency
98.0 %
General
Dimensions (W × H × D)
800 × 300 × 270 mm
Weight
24 kg
Ingress protection
IP66
Operating temperature
-35 ~ +60 °C
derating at +40 °C
Cooling
Natural convection
Noise
≤30 dB

Documents

GoodWe ESA Series 3–10 kW datasheet (EN, EMEA V1.1) Datasheet · PDF · EN GoodWe ESA Series 3–10 kW user manual (EN, V1.8) Manual · PDF · EN GoodWe inverter limited warranty for Europe (EN) Document · PDF · EN GoodWe inverter limited warranty for Europe (DE) Document · PDF · DE

Product questions

What backup rating does GW3K-EHA-G20 have?

Rated backup apparent power is 3.0 kVA. Maximum output is 3.0 (6.0, 10 s). From-grid apparent power is 6.0 kVA (this column’s from-grid current, not 63 A). Switching time is <4 ms.

How many MPPTs does GW3K-EHA-G20 have?

2 MPPTs, strings 1/1, 20 A maximum MPPT current and 26 A short-circuit current. Maximum PV input power is 6.0 kW. The MPPT window is 40–560 V; at nominal power it is 150~500 V.

Which battery modules stack with this power module?

The ESA 3–10 kW battery table names GW5.1-BAT-D-G20, GW8.3-BAT-D-G20, GW6.0-BAT-D-G20 and GW9.0-BAT-D-G20. Up to six modules in one stack and twelve in the system. The user manual also names GW5.1-BAT-D-G21 and GW8.3-BAT-D-G21. Battery modules are sold separately.