WIT 4-25K-XHU

Name: WIT 4-25K-XHU
SKU: WIT 4-25K-XHU

Hybrid inverter · Three-phase · 4 – 25 kW

4 – 25 kWThree-phaseIP66

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4 – 25 kWRated power

Three-phasePhase

1 – 2MPPT trackers

98.1 %Max. efficiency

Technical data

PV input
	WIT 4K-XHU	WIT 5K-XHU	WIT 6K-XHU	WIT 8K-XHU	WIT 10K-XHU	WIT 12K-XHU	WIT 15K-XHU	WIT 17K-XHU	WIT 20K-XHU	WIT 25K-XHU
Max. PV input power (W)	8000	10000	12000	16000	20000	24000	30000	34000	40000	50000
Max. PV input voltage (V)	1000
Rated PV input voltage (V)	625
MPPT voltage range (V)	150 – 850
Start-up voltage (V)	180
Max. input current per MPPT (A)	40	40	40	20	20	40	40	40	40	40
Max. short-circuit current per MPPT (A)	50	50	50	25	25	50	50	50	50	50
Number of MPPT trackers	1	1	1	2	2	2	2	2	2	2
PV strings per MPPT	2	2	2	1	1	2	2	2	2	2
Max. string current (A)	20
AC output
Rated output power (W)	4000	5000	6000	8000	10000	12000	15000	17000	20000	25000
Max. apparent power (VA)	4400	5500	6600	8800	11000	13200	16500	18700	22000	27500
Rated AC voltage (V)	400
Phase	Three-phase
Rated AC frequency (Hz)	50/60
Max. AC output current (A)	6.66	8.3	10	13.33	16.67	20	25	28.33	33.33	41.67
Total harmonic distortion (THDi) (%)	<3
Power factor	-1 to +1 (adjustable)
Backup output power (W)	4000	5000	6000	8000	10000	12000	15000	17000	20000	25000
Peak (surge) power (W)	8000	10000	12000	16000	20000	24000	30000	34000	40000	50000
Generator input	Yes
Max. parallel units	10
AC input nominal power (grid) (W)	8000	10000	12000	16000	20000	24000	30000	34000	40000	50000
Max. AC input apparent power (grid) (VA)	8800	11000	13200	17600	22000	26400	33000	37400	44000	55000
Max. AC input current (grid) (A)	13.33	16.66	20	26.67	33.33	40	50	56.67	66.67	83.33
AC grid connection type	3P3W+PE/3P4W+PE
Backup rated AC output voltage (V)	220/380, 230/400, 240/415
Backup nominal AC output frequency (Hz)	50/60
Backup max. output current (A)	12.12	15.15	18.18	24.24	30.30	36.36	45.45	51.51	60.61	75.76
Backup THDv (linear load) (%)	3
Backup load unbalance	100% three-phase unbalanced
On/off-grid transfer time	<10 ms
Battery
Battery type	Lithium-ion
Battery voltage range (V)	120 – 800
Max. charge current (A)	55
Max. discharge current (A)	55
Recommended battery voltage (V)	512
BMS communication	RS485 / CAN
Efficiency
Max. efficiency (%)	98.1
European efficiency (%)	97.2
MPPT efficiency (%)	99.9
Protection
Protection functions	PV reverse polarity protection; DC switch; DC/AC surge protection (Type II / Type III); Insulation resistance monitoring; Residual-current monitoring unit; AC short-circuit protection; Ground fault monitoring; Grid monitoring; Strings monitoring; Anti-islanding protection; AFCI function (optional)
General data
Dimensions (W x H x D) (mm)	445 × 630 × 234	445 × 630 × 234	445 × 630 × 234	445 × 630 × 234	445 × 630 × 234	445 × 630 × 234	445 × 630 × 234	465 × 644 × 241	465 × 644 × 241	465 × 644 × 241
Weight (kg)	43	43	43	43	43	43	43	45	45	45
Ingress protection (IP rating)	IP66
Operating temperature range (°C)	−30 – 60
Relative humidity (%)	0 – 100
Max. operating altitude (m)	4000
Cooling	Smart air cooling
Noise level (dB)	≤50	≤50	≤50	≤50	≤50	≤50	≤50	≤55	≤55	≤55
Topology	Transformerless
Warranty (years)	5 – 10
Communication
Display	OLED / LED + app
Communication interfaces	RS485; USB
Monitoring	Wi-Fi / LAN
Certifications
Certifications and standards	IEC 62109; IEC 61000
Grid codes	IEC 61727; IEC 61683; IEC 60068; IEC 62116; EN 50549; VDE 4105