GoodWe ET Series Hybrid Inverter 50kW (4 MPPT - IP66)

GoodWe GW50K-ET-10 is a commercial grade hybrid inverter for factories, warehouses, schools and large buildings that want solar and battery storage in one system. It delivers 50kW on a three phase output and accepts up to 75kW of PV input through four MPPTs and eight string inputs, so large roofs with different orientations can be connected without compromise. The battery side is high voltage, with a range of 200V to 800V and up to 100A of continuous charge and discharge current. Peak shaving lets the system use stored energy during your most expensive demand periods, and when it is paired with GoodWe’s static transfer switch (STS) box it offers UPS-level switching to backup mode and can also work with a diesel generator to refill the batteries. Parallel connection is supported in both on-grid and off-grid modes. The enclosure is IP66 for outdoor mounting, and GoodWe provides a 5 year product warranty.

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GoodWe ET Series Hybrid Inverter - Key Features

• 50kW three phase hybrid output
• 4 MPPTs and 8 string inputs, up to 75kW of PV input
• Battery voltage range of 200V to 800V
• Up to 100A continuous charge and discharge current
• Peak shaving function
• UPS-level backup switching when paired with the GoodWe STS box
• Parallel connection in on-grid and off-grid modes
• IP66 protection, Type II SPD on the DC side and optional AFCI
• Up to 21A input current per string for high power modules

GoodWe ET Series Hybrid Inverter - Technical Specifications

• Brand: GoodWe
• Model: GW50K-ET-10 (ET Series 40-50kW)
• Type: three phase hybrid inverter, high voltage
• Rated AC power: 50kW
• Maximum PV input: 75kW
• MPPTs: 4, with 8 string inputs
• Battery type: Li-ion, nominal 500V
• Battery voltage range: 200V to 800V
• Maximum charge and discharge current: 100A / 100A
• Maximum input current per string: 21A
• Maximum efficiency: 98.1%
• Protection: IP66
• Dimensions (H × W × D): 660 × 520 × 260mm
• Weight: 65kg
• Warranty: 5 years

Who Should Buy This Inverter?

• Factories and workshops that want to reduce peak demand charges
• Commercial buildings that need backup for critical loads
• Sites that also run a diesel generator and want it integrated
• Businesses with large roofs and several panel orientations
• Projects that may need to add parallel units later
• Installers who want a GoodWe commercial hybrid for 40kW to 50kW systems

What Is Peak Shaving?

Many commercial tariffs charge not only for the units you use but also for your highest demand in a billing period. Peak shaving means the battery supplies part of the load during those short high-demand windows, so the grid draw stays lower and the demand charge falls. A hybrid inverter does this automatically once it is configured with your usage pattern. The benefit depends on your tariff and load shape, so ask your installer to model it from your bills before choosing battery size.

GoodWe ET Series Hybrid Inverter - Compatibility and Installation Guide

• Use a high voltage battery on the GoodWe compatibility list, such as the GoodWe BAT series
• Add the STS box if you need UPS-level switching to backup mode
• Confirm that your site has a three phase supply
• Plan mounting for a 65kg unit
• Follow the manual for AC, DC and communication wiring
• Installation should be done by a qualified commercial solar installer

Frequently Asked Questions

What is the rated power?
50kW three phase.

How many MPPTs does it have?
Four, with eight string inputs.

What battery voltage range does it support?
200V to 800V.

Does it support backup power?
Yes, with UPS-level switching when paired with the GoodWe STS box.

Can I connect more than one?
Yes, parallel connection is supported.

What is the warranty?
5 years.

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