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title: "Buy SMA Backup 3P Kit? Check stock!"
description: "Buy the SMA Backup 3P Kit for meter cabinet mounting at ESTG. Benefit from our current stock status and fast delivery. Order directly online now!"

type: product_page

---

# SMA Backup 3P Kit - Meter Cabinet Mounting (DIN-Rail) - 63A - For Sunny Tripower Hybrid X - Art.No.: BU-STPH-3P63K

## Specifications

- **Brand**: SMA
- **HS code**: 85371098
- **Manufactor**: SMA
- **Net Height**: 170 MILLIMETER
- **Net Length**: 110 MILLIMETER
- **Net Weight**: 1.5 KILOGRAM
- **Net Width**: 249 MILLIMETER
- **Origin**: Germany
- **Number of phases**: 3 phase
- **System**: SMA Home Storage, SMA Storage M, SMA Sunny Tripower Hybrid X
- **Warranty in Years**: 2

## SMA Backup 3P Kit - Meter Cabinet Mounting (DIN-rail) - 63A


This automatic changeover device ensures a reliable switch between grid-connected and off-grid operation. In the event of a grid failure, the system safely disconnects the building from the utility grid and takes over the power supply for the connected loads.



## Advantages of the SMA Backup 3P Kit - Meter Cabinet Mounting


- **safety**: full protection of all loads in the household up to a continuous current of 63 A
- **efficiency**: works without self-consumption during normal grid operation and consumes only a maximum of 4 W in backup mode
- **mounting**: compact, pre-configured kit for direct mounting on a standard DIN-rail in the meter cabinet, making extra enclosures unnecessary
- **certainty**: equipped with black start capability for a controlled restart during prolonged grid failures
- **flexibility**: possibility to set and configure a specific backup reserve



## Part of the residential and light commercial platform


This product is part of SMA's residential and light commercial platform. The kit can be used universally within various system concepts and is fully compatible with the complete **three-phase Sunny Tripower Hybrid X series**. This includes both the lighter models for **households (Platform 60)** and the heavier versions for **small business applications (Platform 70)**. This allows you to flexibly integrate the module into both new and existing installations. Check the current stock status and order directly online.

## Downloads

- [SMA Backup STPH Datasheet](https://cdn.estg.eu/p/b/2/f/e/b2fec46af731441e558a94df1669213c4bcbeece_SMA_Backup_STPH_Datasheet.pdf)