GoodWe SDT G3 On-Grid Inverter 30kW (45kW PV)

The GoodWe GW30K-SDT-30 is the 30kW model of the SDT G3 25-40kW range, built for commercial and industrial rooftops that use high power modules. It accepts up to 45kW of PV power through three MPPTs and six strings, which is a ratio of 150% that lets the inverter reach its full output earlier and hold it longer. The MPPT range of 140V to 950V with a start-up voltage of only 160V helps it begin generating at first light, and each MPPT can take 40A, so high current panels connect easily. European efficiency is 98.3%. Operation is fanless and silent, which makes it suitable for sites where noise matters, and the unit weighs only about 30kg. A built-in DC switch, anti-islanding and grid protections are included, along with smart energy management and communication through RS485, with Wi-Fi, LAN, 4G or Bluetooth as options. The enclosure is IP66 and the warranty is 5 years.

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GoodWe SDT G3 On-Grid Inverter 30kW - Key Features

• 30kW three phase on-grid output
• 3 MPPTs and 6 strings, up to 45kW of PV input
• MPPT range of 140V to 950V, start-up from 160V
• 40A input per MPPT
• European efficiency of 98.3%
• Fanless, silent operation
• Built-in DC switch, anti-islanding and grid protections
• Smart energy management
• IP66 enclosure and 5 year warranty

GoodWe SDT G3 On-Grid Inverter 30kW - Technical Specifications

• Brand: GoodWe
• Model: GW30K-SDT-30 (SDT G3 Series 25-40kW)
• Type: three phase on-grid string inverter
• Rated power: 30,000W
• Maximum DC power: 45,000W
• MPPTs: 3, with 6 strings in total
• MPPT voltage range: 140V to 950V (rated input 600V)
• Start-up voltage: 160V
• Maximum DC voltage: 1100V
• Maximum input current: 40A per MPPT (short-circuit current 50A)
• Maximum output current: 45.5A
• European efficiency: 98.3%
• Dimensions (D × H × W): 230 × 483 × 585mm
• Weight: about 30kg
• Protection: IP66
• Communication: RS485, with optional Wi-Fi, LAN, 4G or Bluetooth
• Warranty: 5 years

Who Should Buy This Inverter?

• Factories, warehouses and workshops with a three phase supply
• Commercial buildings where inverter noise matters
• Schools, clinics and offices with large roofs
• Projects that use high power, high current modules
• Owners who want to oversize the array to 150%
• Installers who want a light inverter that one or two people can mount

Why Fanless Operation Is a Real Benefit

Fans are among the parts most likely to fail over time, and they also create noise and pull dust into the unit. A fanless inverter cools through its body, so there is less to maintain and no fan noise near offices, classrooms or clinics. It also tends to suit dusty environments, since there are no fan intakes to clog. The enclosure is IP66, which means it is dust tight and protected against strong water jets, so it can sit outdoors, although you should still keep it out of direct heat where you can.

GoodWe SDT G3 On-Grid Inverter 30kW - Compatibility and Installation Guide

• Confirm that your site has a three phase supply
• Keep every string inside the 140V to 950V MPPT window
• Do not exceed 45kW of PV input or the 40A per MPPT limit
• Use correctly sized DC and AC cables and check polarity
• Choose the Wi-Fi, LAN, 4G or Bluetooth option that suits your site
• Installation should be done by a qualified solar installer

Frequently Asked Questions

What is the rated power? 
30kW three phase.

How much PV can I connect? 
Up to 45kW.

How many MPPTs does it have? 
Three, with six strings.

Is it quiet? 
Yes, it is fanless and silent.

What is the IP rating? 
IP66.

What is the warranty? 
5 years.

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