Growatt Wit 28-55kw Commercial Storage Solar Inverter Hybrid 55kw

• After-sales Service: 10years
• Warranty: 10years
• Phase: Three
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: WIT 28-55K-HU-US L2
• Output Power: >1000W
• Certification: SAA, CE, ISO9001, CCC
• Brand: Growatt
• Type: DC/AC Inverters
• Power Source: Solar Power
• Output Voltage: 208/220V
• Input Voltage: 208/220V
• Output Frequency: 50Hz/60Hz
• Altitude: 4000m
• Operation Temperature Range: -30-60c
• Weight: 153-160kg
• Inverter Efficiency: 98.2%
• Protection Degree: IP66
• Transport Package: According to The Needs of Different Customers
• Specification: 850mm *1350mm * 510mm
• Trademark: Growatt
• Origin: China
• Package Size: 88.00cm * 150.00cm * 55.00cm
• Package Gross Weight: 165.000kg

Product Description

Product Description

Inverter Growatt WIT 28-55K-HU-US L2

Detailed Photos

Product Parameters

Datasheet	WIT 28K-H-US L2 WIT 28K-HU-US L2	WIT 35K-H-US L2 WIT 35K-HU-US L2	WIT 40K-H-US L2 WIT 40K-HU-US L2	WIT 55K-H-US L2 WIT 55K-HU-US L2
Input data(PV)
Max.recomended PV power(for module SIC)	54KW	75.6KW	86.4KW	108KW
Start voltage	195V
Nominal  voltage	360V
Max.input voltage	800V
MPPT voltage range	180V-600V
Max.input current per MPP tracker	32A
Max.short-circuit current per MPP tracker	40A
No.of PV strings per MPP tracker	2
No.of MPPT trackers	5	7	8	10
Output data(AC)
AC nominal power	28KW	35KW	40KW	55KW
Max.AC opparent power	30.8KVA	38.5KVA	44KVA	60.5KVA
Norminal AC voltage	208V/220V
AC voltage range	-15%~+10%
AC gird frequency range	45-55Hz/55-65Hz
Max.output current	85.6A@208V 80.8A@220V	106.9A@208V 101A@220V	122.2A@208V 115.5A@220V	168.1A@208V 158.8A@220V
Adjustable power factor	-1,,,+1
THDi	<3%
AC gird connection type	3P3W+PE/3P4W+PE
Stand alone(AC power)
AC nominal output power	28KW	35KW	40KW	55KW
Max.AC apparent power	33.6KVA	42KVA	48KVA	66KVA
Rated AC output voltage	208V/220V
Norminal AC output frequency	50/60Hz
Max.output current	93.3A	116.7A	133.3A	183.3A
THDv	<3%
Load unbalance	100%
Overload	≤110%: Continues  110%~120%: 10min  >120%:200ms
On/off gird transfer time	20ms
Battery data(DC)
Battery voltage range	380V-650V
Recommended battery voltage	512V
Max.charging/discharging current	79A	99A	113A	156A
Continuous charging/discharging power	31.7KW	39.7KW	45.3KW	62.3KW
BMS communication	RS485/CAN
Efficiency
Max.Batterry charge/discharge efficiecy	98%
Protection devices
Battery reverse protection	Yes
AC/DC surge protection	Class II
Insulation resistance monitoring	Yes
Ground fault monitoring	Yes
Gird monitoring	Yes
Residual-current monitoring unit	Yes
AC short-circuit protection	Yes
Anti-islanding protection	Yes

 

Packaging & Shipping

Project Case

Company Profile

Anhui Wingo Technology Co., Ltd. has set up two sole-funded companies in Heifei one Jointed Venture in Anhui province successively since 2020.Wingo is able to provide customers with annual capacity of 300MW solar cells,400MW solar cells modules and 60,000 sets of solar power systems.

FACTORY DIRECT SOLAR INVERTER WITH TIER 1 BRAND!
FACTORY DIRECT SOLAR PANEL WITH TIER 1 BRAND!
 

Certifications

 

FAQ

 

Q1: How to choose a right system and products?
A1:Tell us your requirements, then our seller will recommend a suitable product and system to you.

Q2: Are you a factory or a tradingcompany?
A2: We are factory with more than 7 years experience in new energy industrial,also we have rich sources for integrate whole energy system.

Q3: How to choose a right system and products?
A3: Yes,we can print your logo on the case and package can also customize.

Q4: How do you control your product quality?
A4: We have professional QC department control the quality strictly,only products which meet all standard will be packed and deliver to customers.

A5: What's your advantages for solar system?
A5: Our full automatic production line which assembled by advanced and high-tech production equipments buy from Japan and Germany ensure we provide the best quality products for customers.

Q6: How do you ship your products?
A6: For small qty order,we suggest use express directly. For bulkorder,we normally ship by sea.You can provide your logistic agent to us,we also can recommend safety logistic for you. You can contact us directly anytime,we offer 24h service.