SMA BU-STRT-US-50 Backup Start Module-Enables Backup Secure 1.9kW 120V

SMA BU-STRT-US-50 Backup Start Module-Enables Backup Secure 1.9kW 120V

Regular price $72.03
Regular price -% Sale price $72.03
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SMA BU-STRT-US-50 Backup Start Module-Enables Backup Secure 1.9kW 120V

SMA BU-STRT-US-50 Backup Start Module-Enables Backup Secure 1.9kW 120V

SMA
MPN No: BU-STRT-US-50
In Stock
Regular price $72.03
Regular price -% Sale price $72.03

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Expected ship date Apr 07 - 10 About shipping

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Regular price $72.03
Regular price -% Sale price $72.03

Specifications

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Data Sheet

SMA BU-STRT-US-50 Backup Start Module-Enables Backup Secure 1.9kW 120V

Key Features

  • Ensures System Restart in Blackout Conditions – Provides power to initiate the inverter in case of a total power loss.
  • Compatible with SMA Smart Energy Inverters – Works with SBSE3.8-US-50, SBSE4.8-US-50, SBSE5.8-US-50, SBSE7.7-US-50.
  • Battery-Powered Activation – Charges from PV modules or system batteries to allow restart.
  • Essential for SunSpec Rapid Shutdown Systems – Enables inverter start when PV modules are disconnected.
  • Approved for the US Market – Designed specifically for compliance with North American solar regulations.

Best Applications

  • Residential Solar + Battery Storage – Ensures reliable backup power when grid outages occur.
  • Grid-Tied Systems with Rapid Shutdown – Allows reconnection after module disconnection events.
  • Emergency Power Systems – Enables inverter restart even if the battery is depleted.

Special Technology

The SMA Backup Start BU-STRT-US-50 is equipped with an internal rechargeable battery, which allows it to deliver the necessary start-up power to SMA Smart Energy inverters. This feature is particularly crucial for PV systems with SunSpec-certified rapid shutdown modules, where the inverter would otherwise remain disconnected after a power failure.

About SMA Solar Technology

SMA Solar Technology AG is a global leader in solar inverter and energy management solutions, providing high-efficiency products for residential, commercial, and utility-scale solar systems. With over 40 years of experience, SMA is known for innovation, quality, and reliability in the renewable energy sector.

Specifications

Parameter Value
Model Number BU-STRT-US-50
Function Backup Start for SMA Inverters
Compatible Inverters SBSE3.8-US-50, SBSE4.8-US-50, SBSE5.8-US-50, SBSE7.7-US-50
Battery-Powered Start Yes
Recharge Method PV System or Battery Charge
Market Compliance USA
Dimensions (H × W × D) TBD
Weight TBD
Certifications FCC Part 15 Compliance, UL Listed

 

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