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Growatt Hot Sale Wit 40kw Hu MPPT 3 Phase Solar Inverter Commercial Industrial PV Inverter
Battery Cooling Systems

Growatt Hot Sale Wit 40kw Hu MPPT 3 Phase Solar I | RFQ Sourcing Details

Battery Cooling Systems · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

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Product specs

Unitset
BrandGrowatt
PhaseThree
OriginShanghai
DisplayOLED+LED/WFI+APP
Altitude13123ft(4000m)
TopologyTransformerless
DatasheetWIT 28K-HU-US L2 WIT 35K-HU-US L2 WIT 40K-HU-US L2 WIT 55K-HU-US L2
CategoryBattery Cooling Systems
AvailabilityInquiry required
Updated2026-06-01

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Battery Cooling Systems. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

. Overview Product Parameters Company Profile FAQ Overview . Model NO.

WIT 40K-HU-US L2 Nature of Source Flow Active Inverter Phase Three Output Power >1000W Certification SAA, CE, ROHS, ISO9001, CCC Brand Growatt Type DC/AC Inverters Power Source Solar Power Nature of Wave String Sine Wave Inverter Communication Interface Can Isolation Method Transformer Output Voltage 208/220V Display OLED+LED/Wfi+APP Types of Battery Lithium Certificate IEC/En, VDE Transport Package Carton Box Specification WIT 28/35/40/55K-H/HU -US L2 Trademark Growatt or OEM/ODM Origin Shanghai HS Code Production Capacity 500PCS/Month Packaging & Delivery Package Size 100.00cm * 100.00cm * 180.00cm Package Gross Weight 180.000kg Growatt hot sale WIT 40kw HU MPPT 3 Phase Solar Inverter Commercial Industrial PV inverter Leading Functions 1:Built-in UPS and black start 2:100% unbalanced output 3:110% continuous AC overloading 4:Type II SPD on the DC and AC side High Yields 1:Multiple MPPTs input 2:DC/AC Ratio up to 2.0 3:Max.

efficiency up to 98% System Flexibility 1:Scalable up to 165kW 2:Support lithium and lead-acid battery 3:Remote control of DG Product Parameters Datasheet WIT 28K-HU-US L2 WIT 35K-HU-US L2 WIT 40K-HU-US L2 WIT 55K-HU-US L2 Input Data(PV) Max recommended PV power (for module STC) 54kW 75.6kW 86.4kW 108kW Start voltage 195V Max inputvoltage 800V MPPT nominal voltage/range 360V,180V-550V Max.input current perMPP tracker 32A Max short-circuit current per MPPtracker 40A No.of PV strings per MPP tracker 2 No.of MPP trackers 5 7 8 10 Output Data(AC) AC nominalpower/max.AC apparent power 28kW/30.8kVA 35kW/38.5kVA 40kW/44kVA 55kW/60.5kVA Nominal AC voltage/range 208V220V,-15%~10% AC grid frequency/range 60.

Hz,55-65.

Hz Max output current 85.6A@208V 80.8A@220V 106.9A@208V 101A@220V 1222A@208V 115.5A@220V 168.1A@208V 158.8A@220V Adjustable power factor -1...+1 THDi 120%:200ms 183.3A@208V 173.2A@220V Load unbalance 100% THDV 122°F derating Altitude 13123ft(4000m) Topology Transformerless Cooling Smartair cooling Enclosure IP66/NEMA4X Display OLED+LED/WFI+APP Interfaces:RS485/CAN Yes Interfaces:Wi.

Fi//4GLAN Opt Warranty.5/10 years Yes/Opt UL ,UL1741SASB2020,EE ,EEE ,HECORule14,E-5000,CSIP,SA17-SA18,UL ,CEC,FCCPart 15,CSAC Company Profile SHANGHAI STIN ENERGY TECHNOLOGY CO., LTD.

was established as one branch of STIN HOLDINGS and targeted on being a Total Solution Company which is based on clean sustainable solar energy. We are focusing on product development, production, system integration, sales and service.

Products include solar panel, Turn-key completed on-grid, off grid and hybrid solar systems, solar inverter, solar air conditioner, solar charge controllers and lithium-ion battery, etc.

We aim to develop, manufacture, and deliver the most reliable and cost-effective solar energy solutions to every corner in the world.We have excellent cooperation team, committed to product design and development, quality control and inspection and company operation. STIN knows the importance of green energy.

STIN endeavors to protect the precious value. FAQ FAQ 1: What's your main products? Solar panel mono and poly, solar battery gel and lithium-ion, solar system on grid and off grid, solar inverter on grid and off grid, solar charge controller MPPT and PWM. 2:What is your advantage in solar products?

We have been in the solar industry for more than 10 years and accumulated rich experience. With branches in Japan, Korea, Singapore and Cambodia, full support can be supplied from design to installation. 3: Can you send free samples? It depends on which kind of products.

Normally the sample fee will be returned after you place massive order. 4: What's the shipping cost? After you confirm the quantity, please let us know which kind of transportation(by sea, by air, by DHL or Fedex or TNT or UPS) you prefer and the destination port. We will send you the shipping cost and time.

5: What's your minimum order quantity? 1pc. 6: How can we send the payment? T/T, L/C, Paypal, Western Union.

Growatt | Applications and Buyer Notes

Growatt is organized as a sourcing-ready Battery Cooling Systems reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time q

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Unit
setBased on visible page data; confirm exact value in the RFQ.
Brand
GrowattBased on visible page data; confirm exact value in the RFQ.
Phase
ThreeBased on visible page data; confirm exact value in the RFQ.
Origin
ShanghaiBased on visible page data; confirm exact value in the RFQ.
Display
OLED+LED/WFI+APPBased on visible page data; confirm exact value in the RFQ.
Altitude
13123ft(4000m)Based on visible page data; confirm exact value in the RFQ.
Topology
TransformerlessBased on visible page data; confirm exact value in the RFQ.
Datasheet
WIT 28K-HU-US L2 WIT 35K-HU-US L2 WIT 40K-HU-US L2 WIT 55K-HU-US L2Based on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

Unitset
BrandGrowatt
PhaseThree
OriginShanghai
DisplayOLED+LED/WFI+APP
Altitude13123ft(4000m)
TopologyTransformerless
DatasheetWIT 28K-HU-US L2 WIT 35K-HU-US L2 WIT 40K-HU-US L2 WIT 55K-HU-US L2
EnclosureIP66/NEMA4X
InterfaceCan Isolation Method Transformer Output
Model NO.WIT 40K-HU-US L2
TrademarkGrowatt or OEM/ODM
CertificateIEC/En, VDE
Output Power>1000W
Package Size100.00cm * 100.00cm * 180.00cm
Power SourceSolar Power
AFCl functionOpt
CertificationSAA, CE, ROHS, ISO9001, CCC
CustomizationAvailable
PIDprotectionYes
Refund policyClaim a refund if your order doesn't ship, is missing, or arrives with product issues.
Shipping Cost.
SpecificationWIT 28/35/40/55K-H/HU-US L2
Start voltage195V
Load unbalance100%
Max effidenc y98.2%
Output Voltage208/220V
Grid monitoringYes
AC nominal power56kW 70kW 80kW 110kW
Dimensions(WH/D)33.5/53.1/20.1inch(850/1350/510mm)
Isolation MethodTransformer
Max inputvoltage800V
BMS communicationRS485/CAN
Nominal ACvoltage120V127V-N),208V/220V
String monitoringYes
Transport PackageCarton Box
No.of MPP trackers5 7 8 10
After-sales ServiceYes
Nominal ACfrequency60Hz
Production Capacity500PCS/Month
Interfaces:RS485/CANYes
Max.AC apparentpower56kVA 70KVA 80kVA 110kVA
Package Gross Weight180.000kg
Nature of Source FlowActive Inverter
Nature of Wave StringSine Wave Inverter
Interfaces:WiFi//4GLANOpt
Max.single phase power9.3kW 116kW 13.3kW 18.3kW
AC grid frequency/range60Hz,55-65Hz
Adjustable power factor1...+1
Communication InterfaceCan
Ground fault monitoringYes
Nominal AC voltage/range208V220V-15%~10%
Anti-islanding protectionYes
AC short-circuitprotectionYes
Battery reverse protectionYes
MPPT nominal voltage/range360V,180V-550V
Operating temperature range22°F~+140°F,>122°F derating
Nominal AC grid frequencyrange60Hz,55-65Hz
PV reverse polarity protectionYes
Insulation resistance monitoringTypell Yes
Max.charging/discharging current79A 99A 113A 156A
Max.input current perMPP tracker32A
No.of PV strings per MPP tracker2
Residual-current monitoring unitYes
AC nominalpower/max.AC apparent power28kW/30.8kVA 35kW/38.5kVA 40kW/44kVA 55kW/60.5kVA
Continuous charging/discharging power31.7kW 39.7kW 453kW 62.3kW
AC nominal power/Max.AC apparent power28kW/33.6kVA 35kW/42kVA 40kW/48kVA 55kW/66kVA
Max short-circuit current per MPPtracker40A
Max recommended PV power (for module STC)54kW 75.6kW 86.4kW 108kW

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