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SMA Sunny Boy 4kW Solar Inverter - Single Phase with Smart Connect
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SMA Sunny Boy 4kW Solar Inverter - Single Phase with Smart Connect

SMA Sunny Boy 4kW Solar Inverter - Single Phase with Smart Connect

The SMA Sunny Boy 4.0kW Solar Inverter - Single Phase with Smart Connect (SB4.0-1AV-41) is a compact transformerless string inverter for residential PV systems, featuring dual MPPTs and integrated SMA Smart Connected monitoring service.

Product Description

This lightweight 4kW single-phase inverter converts PV DC to grid-compliant AC with up to 97% efficiency. Built-in WLAN/Ethernet connectivity enables fast commissioning via smartphone or laptop, while SMA Smart Connected provides automatic monitoring and proactive fault service.

Key Features

  • SMA Smart Connected: Automatic inverter monitoring with fault notifications and fast replacement service.
  • Dual MPPT: 2 independent trackers for flexible string design and partial shading (SMA ShadeFix).
  • Integrated web server: WLAN/Ethernet access for local setup and diagnostics.
  • Easy installation: One-person lift, plug-and-play connectors, intuitive commissioning.
  • Battery-ready: Compatible with AC-coupled storage expansion.
  • Silent operation: Fanless natural convection cooling.

Electrical Specifications

  • Rated AC power: 4000 W (230V, 50Hz).
  • Max. apparent AC power: 4000 VA.
  • Max. efficiency: 97.0%.
  • AC voltage range: 180–280 V.
  • Max. AC output current: 18.4 A.
  • Max. DC input voltage: 600 V.
  • MPP voltage range: 140–500 V.
  • Min. / start-up DC voltage: 100 V / 125 V.
  • Max. DC input current (A/B): 15 A / 15 A.
  • MPPTs / strings: 2 MPPTs, up to 2 strings per MPPT.

Physical Specifications

  • Dimensions (W × H × D): 435 × 470 × 176 mm.
  • Weight: 17.5 kg (one-person installation).
  • Enclosure rating: IP65 (indoor/outdoor wall-mount).
  • Cooling: Natural convection (fanless).
  • Display & interface: LEDs plus web UI via WLAN/Ethernet.
  • Connections: SUNCLIX DC connectors, AC terminal block, Ethernet/WLAN.

System & Application Notes

  • Application: Single-phase residential PV systems up to 4kW with future battery expansion option.
  • Monitoring: Sunny Portal, SMA Energy App via Smart Connected service.
  • Shade management: SMA ShadeFix plus Tigo TS4-R optimiser compatibility.
  • Grid compliance: EN 50549-1 and national codes (G98/G99 UK compliant).
  • Warranty: 5 years standard (extendable to 10/15/20 years).
$268.31

Original: $766.61

-65%
SMA Sunny Boy 4kW Solar Inverter - Single Phase with Smart Connect—

$766.61

$268.31

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SMA Sunny Boy 4kW Solar Inverter - Single Phase with Smart Connect

The SMA Sunny Boy 4.0kW Solar Inverter - Single Phase with Smart Connect (SB4.0-1AV-41) is a compact transformerless string inverter for residential PV systems, featuring dual MPPTs and integrated SMA Smart Connected monitoring service.

Product Description

This lightweight 4kW single-phase inverter converts PV DC to grid-compliant AC with up to 97% efficiency. Built-in WLAN/Ethernet connectivity enables fast commissioning via smartphone or laptop, while SMA Smart Connected provides automatic monitoring and proactive fault service.

Key Features

  • SMA Smart Connected: Automatic inverter monitoring with fault notifications and fast replacement service.
  • Dual MPPT: 2 independent trackers for flexible string design and partial shading (SMA ShadeFix).
  • Integrated web server: WLAN/Ethernet access for local setup and diagnostics.
  • Easy installation: One-person lift, plug-and-play connectors, intuitive commissioning.
  • Battery-ready: Compatible with AC-coupled storage expansion.
  • Silent operation: Fanless natural convection cooling.

Electrical Specifications

  • Rated AC power: 4000 W (230V, 50Hz).
  • Max. apparent AC power: 4000 VA.
  • Max. efficiency: 97.0%.
  • AC voltage range: 180–280 V.
  • Max. AC output current: 18.4 A.
  • Max. DC input voltage: 600 V.
  • MPP voltage range: 140–500 V.
  • Min. / start-up DC voltage: 100 V / 125 V.
  • Max. DC input current (A/B): 15 A / 15 A.
  • MPPTs / strings: 2 MPPTs, up to 2 strings per MPPT.

Physical Specifications

  • Dimensions (W × H × D): 435 × 470 × 176 mm.
  • Weight: 17.5 kg (one-person installation).
  • Enclosure rating: IP65 (indoor/outdoor wall-mount).
  • Cooling: Natural convection (fanless).
  • Display & interface: LEDs plus web UI via WLAN/Ethernet.
  • Connections: SUNCLIX DC connectors, AC terminal block, Ethernet/WLAN.

System & Application Notes

  • Application: Single-phase residential PV systems up to 4kW with future battery expansion option.
  • Monitoring: Sunny Portal, SMA Energy App via Smart Connected service.
  • Shade management: SMA ShadeFix plus Tigo TS4-R optimiser compatibility.
  • Grid compliance: EN 50549-1 and national codes (G98/G99 UK compliant).
  • Warranty: 5 years standard (extendable to 10/15/20 years).

Product Information

Shipping & Returns

Description

The SMA Sunny Boy 4.0kW Solar Inverter - Single Phase with Smart Connect (SB4.0-1AV-41) is a compact transformerless string inverter for residential PV systems, featuring dual MPPTs and integrated SMA Smart Connected monitoring service.

Product Description

This lightweight 4kW single-phase inverter converts PV DC to grid-compliant AC with up to 97% efficiency. Built-in WLAN/Ethernet connectivity enables fast commissioning via smartphone or laptop, while SMA Smart Connected provides automatic monitoring and proactive fault service.

Key Features

  • SMA Smart Connected: Automatic inverter monitoring with fault notifications and fast replacement service.
  • Dual MPPT: 2 independent trackers for flexible string design and partial shading (SMA ShadeFix).
  • Integrated web server: WLAN/Ethernet access for local setup and diagnostics.
  • Easy installation: One-person lift, plug-and-play connectors, intuitive commissioning.
  • Battery-ready: Compatible with AC-coupled storage expansion.
  • Silent operation: Fanless natural convection cooling.

Electrical Specifications

  • Rated AC power: 4000 W (230V, 50Hz).
  • Max. apparent AC power: 4000 VA.
  • Max. efficiency: 97.0%.
  • AC voltage range: 180–280 V.
  • Max. AC output current: 18.4 A.
  • Max. DC input voltage: 600 V.
  • MPP voltage range: 140–500 V.
  • Min. / start-up DC voltage: 100 V / 125 V.
  • Max. DC input current (A/B): 15 A / 15 A.
  • MPPTs / strings: 2 MPPTs, up to 2 strings per MPPT.

Physical Specifications

  • Dimensions (W × H × D): 435 × 470 × 176 mm.
  • Weight: 17.5 kg (one-person installation).
  • Enclosure rating: IP65 (indoor/outdoor wall-mount).
  • Cooling: Natural convection (fanless).
  • Display & interface: LEDs plus web UI via WLAN/Ethernet.
  • Connections: SUNCLIX DC connectors, AC terminal block, Ethernet/WLAN.

System & Application Notes

  • Application: Single-phase residential PV systems up to 4kW with future battery expansion option.
  • Monitoring: Sunny Portal, SMA Energy App via Smart Connected service.
  • Shade management: SMA ShadeFix plus Tigo TS4-R optimiser compatibility.
  • Grid compliance: EN 50549-1 and national codes (G98/G99 UK compliant).
  • Warranty: 5 years standard (extendable to 10/15/20 years).
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