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GoodWe MS G3 US Series PV string Inverter w/ EZLink 4G - GW11K4-MS-US30

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GoodWe MS G3 US Series PV string Inverter w/ EZLink 4G - GW11K4-MS-US30

$2,176.26 USD

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All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

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Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

GoodWe MS-US (G3) — GW11K4-MS-US30, 11.4 kW PV String Inverter w/ EZLink LAN

The GoodWe MS G3 US Series PV string Inverter - GW11K4-MS-US30 offers high-performance solar power conversion. It is designed for residential and light commercial systems. The inverter features advanced monitoring, strong safety options, and easy installation. This model ensures top solar output and long-term stability. Modern communication and smart energy management make it an excellent choice for efficiency and durability.

North America MS-US Series single-phase inverter with EZLink (IEEE 203.0.5) & LAN/Wi-Fi/Bluetooth connectivity. It has integrated AFCI and Rapid Shutdown, plus a Type 4X (IP66) outdoor enclosure. Built-in optimization supports up to 16 A per string and 160% DC oversizing. (PV3 input present on GW11K4, GW9600 & GW7700.)

Technical Specifications — GW11K4-MS-US30 (from GoodWe MS-US datasheet)

PV Input
Max. input power	18,240 W
Max. input voltage	600 Vdc
MPPT voltage at nominal power (240 V)	250 – 500 V
MPPT voltage at nominal power (208 V)	217 – 500 V
Start-up voltage	80 V
Nominal input voltage (240 V / 208 V)	380 V / 330 V
Max input current per MPPT	16 A
Max short-circuit current per MPPT	23.4 A
MPPT trackers / Strings per MPPT	3 / 1
AC Output
Nominal output power (240 V / 208 V)	11,400 W / 9,880 W
Nominal apparent power (240 V / 208 V)	11,400 VA / 9,880 VA
Max AC active power (240 V / 208 V)	11,400 W / 9,880 W
Max AC apparent power (240 V / 208 V)	11,400 VA / 9,880 VA
Nominal output voltage	240 / 208 V
Nominal AC grid frequency	60 Hz
Max output current	47.5 A
Power factor	~1 (adjustable 0.8 lead … 0.8 lag)
Max total harmonic distortion	< 3%
Efficiency
Max efficiency	97.8%
CEC efficiency (240 V / 208 V)	97.0% / 96.5%
Protection & Safety (integrated)
Functions	PV string current monitoring; PV insulation resistance detection; residual current monitoring; PV reverse-polarity protection; anti-islanding; AC overcurrent protection; AC short-circuit protection; AC overvoltage protection; DC switch; AFCI; Rapid Shutdown
Surge protection	DC SPD Type III (Type II optional); AC SPD Type III (Type II optional)
General
Operating temperature	−31 to +140 °F (−35 to +60 °C); derate ≥ 113 °F (45 °C)
Storage temperature	−40 to +158 °F (−40 to +70 °C)
Relative humidity	0 – 95%
Max operating altitude	9,842 ft (3,000 m)
Cooling method	Natural convection (internal fan air circulation)
User interface	LED, WLAN + App
Communications / protocols	RS485; Wi-Fi + LAN + Bluetooth; 4G (optional) / Modbus-RTU (SunSpec compliant)
Dimensions (W × H × D)	19.2 × 26.4 × 7.8 in (487 × 670 × 199 mm)
Weight	55.1 lb (25.0 kg)
Noise	< 35 dB
Topology	Non-isolated
Night self-consumption	< 5 W
Ingress protection	Type 4X (IP66)
Certifications / Standards
Grid standards	UL1741, UL1741SB, UL1741-CRD, UL1699B, CSA C22.2
Safety regulation	IEEE 2030.5; IEEE 1547; IEEE 1547.1-2020; California Rule 21
EMC	FCC Part 15 Class B

Connectivity & Grid Types

Commission via Bluetooth / PV Master; monitor via LAN/Wi-Fi (4G optional). Supported grids: 240/120 V split-phase and 208 V delta. PV3 DC input is present on GW7700 / GW9600 / GW11K4.

Advanced Performance of GoodWe MS G3 US Series PV string Inverter - GW11K4-MS-US30

The GoodWe MS G3 US Series PV string Inverter - GW11K4-MS-US30 delivers excellent conversion efficiency, allowing panels to produce maximum usable energy. It supports wide MPPT voltage ranges for steady output. This ensures stable power during partial shading and changing weather conditions.

Multi-MPPT technology lets the inverter optimize different panel strings independently. This improves energy yield and reduces power loss. It makes the system reliable and suitable for high-performance solar setups.

Smart Connectivity with EZLink 4G Monitoring

A key feature of this inverter is its integrated EZLink 4G communication. It enables seamless remote monitoring without Wi-Fi or Ethernet. Owners and installers get real-time performance data, fault alerts, and energy reports from any location.

Remote diagnostics reduce maintenance time and downtime. Quick access to data helps optimize performance and ensures reliability, boosting return on investment.

Safety and Compliance Built into the Design

The system includes built-in protections such as arc-fault interruption, ground fault monitoring, and anti-islanding. It safeguards both the inverter and users from electrical hazards.

It complies with stringent grid standards and utility interconnection rules. This makes it suitable for areas with strict regulatory requirements.

Flexible Installation and Compact Design

Installation is made simple by the inverter’s compact, lightweight design. Wall mounting is quick, and the unit fits well in tight spaces. It works for new solar projects and system upgrades.

Its durable enclosure handles harsh environments. This durability lowers maintenance requirements and extends lifespan, ensuring long-term stability.

Energy Optimization and Grid Support Features

Advanced grid support features improve system performance. Reactive power control, voltage regulation, and power factor adjustment stabilize grid interaction and energy quality.

These smart capabilities help solar systems adapt to changing grid conditions. They promote reliable energy distribution and maximize self-consumption.

Ideal Applications and Long-Term Value

The GoodWe MS G3 US Series PV string Inverter - GW11K4-MS-US30 suits residential rooftops and small commercial solar installations. Its balance of safety, efficiency, and monitoring offers great value for clean energy users.

With advanced technology, rugged build, and future-ready connectivity, this inverter supports sustainable energy goals. It offers long-term operational benefits and dependable performance.

What is your return policy?

What’s covered by your return policy?

How long will it take to receive my order?

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

GoodWe MS-US (G3) — GW11K4-MS-US30, 11.4 kW PV String Inverter w/ EZLink LAN

Technical Specifications — GW11K4-MS-US30 (from GoodWe MS-US datasheet)

PV Input
Max. input power	18,240 W
Max. input voltage	600 Vdc
MPPT voltage at nominal power (240 V)	250 – 500 V
MPPT voltage at nominal power (208 V)	217 – 500 V
Start-up voltage	80 V
Nominal input voltage (240 V / 208 V)	380 V / 330 V
Max input current per MPPT	16 A
Max short-circuit current per MPPT	23.4 A
MPPT trackers / Strings per MPPT	3 / 1
AC Output
Nominal output power (240 V / 208 V)	11,400 W / 9,880 W
Nominal apparent power (240 V / 208 V)	11,400 VA / 9,880 VA
Max AC active power (240 V / 208 V)	11,400 W / 9,880 W
Max AC apparent power (240 V / 208 V)	11,400 VA / 9,880 VA
Nominal output voltage	240 / 208 V
Nominal AC grid frequency	60 Hz
Max output current	47.5 A
Power factor	~1 (adjustable 0.8 lead … 0.8 lag)
Max total harmonic distortion	< 3%
Efficiency
Max efficiency	97.8%
CEC efficiency (240 V / 208 V)	97.0% / 96.5%
Protection & Safety (integrated)
Functions	PV string current monitoring; PV insulation resistance detection; residual current monitoring; PV reverse-polarity protection; anti-islanding; AC overcurrent protection; AC short-circuit protection; AC overvoltage protection; DC switch; AFCI; Rapid Shutdown
Surge protection	DC SPD Type III (Type II optional); AC SPD Type III (Type II optional)
General
Operating temperature	−31 to +140 °F (−35 to +60 °C); derate ≥ 113 °F (45 °C)
Storage temperature	−40 to +158 °F (−40 to +70 °C)
Relative humidity	0 – 95%
Max operating altitude	9,842 ft (3,000 m)
Cooling method	Natural convection (internal fan air circulation)
User interface	LED, WLAN + App
Communications / protocols	RS485; Wi-Fi + LAN + Bluetooth; 4G (optional) / Modbus-RTU (SunSpec compliant)
Dimensions (W × H × D)	19.2 × 26.4 × 7.8 in (487 × 670 × 199 mm)
Weight	55.1 lb (25.0 kg)
Noise	< 35 dB
Topology	Non-isolated
Night self-consumption	< 5 W
Ingress protection	Type 4X (IP66)
Certifications / Standards
Grid standards	UL1741, UL1741SB, UL1741-CRD, UL1699B, CSA C22.2
Safety regulation	IEEE 2030.5; IEEE 1547; IEEE 1547.1-2020; California Rule 21
EMC	FCC Part 15 Class B

Connectivity & Grid Types

Advanced Performance of GoodWe MS G3 US Series PV string Inverter - GW11K4-MS-US30

Smart Connectivity with EZLink 4G Monitoring

Remote diagnostics reduce maintenance time and downtime. Quick access to data helps optimize performance and ensures reliability, boosting return on investment.

Safety and Compliance Built into the Design

The system includes built-in protections such as arc-fault interruption, ground fault monitoring, and anti-islanding. It safeguards both the inverter and users from electrical hazards.

It complies with stringent grid standards and utility interconnection rules. This makes it suitable for areas with strict regulatory requirements.

Flexible Installation and Compact Design

Installation is made simple by the inverter’s compact, lightweight design. Wall mounting is quick, and the unit fits well in tight spaces. It works for new solar projects and system upgrades.

Its durable enclosure handles harsh environments. This durability lowers maintenance requirements and extends lifespan, ensuring long-term stability.

Energy Optimization and Grid Support Features

Advanced grid support features improve system performance. Reactive power control, voltage regulation, and power factor adjustment stabilize grid interaction and energy quality.

These smart capabilities help solar systems adapt to changing grid conditions. They promote reliable energy distribution and maximize self-consumption.

Ideal Applications and Long-Term Value

With advanced technology, rugged build, and future-ready connectivity, this inverter supports sustainable energy goals. It offers long-term operational benefits and dependable performance.

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Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

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Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

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Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

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My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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