# SMA Sunny Central Up

Type: solar inverter
Manufacturer: SMA
URL: https://inverterdata.com/en/sma/sma-sunny-central-up/
Manufacturer source: https://www.sma.de/en/products/solarinverters/sunny-central-up
Database: InverterData (inverterdata.com)
License: free to quote with attribution to inverterdata.com

## Overview

Engineered for utility-scale solar installations, this German-manufactured central inverter delivers industrial-grade performance with its impressive 4.6 megawatt power output capacity. The unit features advanced maximum power point tracking technology across 6 independent MPPT channels, enabling optimal energy harvest from large photovoltaic arrays while accommodating DC input voltages up to 1500V.

Designed for commercial solar farms and utility-scale projects, this central inverter solution combines SMA's renowned German engineering with robust construction suitable for demanding outdoor environments. Its substantial power handling capability makes it ideal for megawatt-scale installations where reliability and efficiency are paramount, offering operators a dependable foundation for large-scale renewable energy generation with streamlined maintenance requirements.

## Specifications

| Specification | Value |
| --- | --- |
| Nominal AC Power | 4600000 W |
| Maximum AC Power | 4600000 W |
| Maximum DC Input Voltage | 1500 V |
| Number of MPPT Channels | 6 |
| Inverter Type | central |

Not published by the manufacturer: Maximum Efficiency, European Efficiency, MPPT Voltage Range, Maximum DC Input Current per MPPT, AC Output Voltage, AC Output Frequency, Output Wave Type, Total Harmonic Distortion (THD), Weight, Enclosure Protection Rating, Operating Temperature Range, Number of Phases.

## Frequently asked questions

### What scale of solar plant does the SMA Sunny Central UP serve?

The SMA Sunny Central UP is rated at 4600000 W, or 4.6 MW, of both nominal and maximum AC power, a figure that places it firmly in utility-scale territory rather than commercial or residential use. A plant built around this inverter needs a multi-megawatt array and the substation-level electrical infrastructure that a project of this size requires.

### What DC string voltage does the SMA Sunny Central UP support?

The SMA Sunny Central UP tolerates up to 1500 V of maximum DC input voltage, the standard now used on utility-scale plants because it lets engineers run longer strings with fewer combiner boxes and less copper than the older 1000 V standard. Every string in the array design has to stay under that 1500 V ceiling at the coldest expected temperature.

### How many MPPT inputs does the SMA Sunny Central UP have?

The SMA Sunny Central UP is built with 6 MPPT channels, letting engineers group the plant's array into six independently tracked sections, useful where terrain, shading, or orientation differs across the site. At a multi-megawatt scale, each channel typically feeds a substantial sub-array rather than a handful of panels, so channel assignment is a real design decision.

### What kind of inverter architecture is the SMA Sunny Central UP?

SMA classifies the Sunny Central UP as a central inverter, the architecture where one large power-conversion unit handles an entire section of a utility-scale plant, instead of many smaller string inverters distributed across the array. This concentrates the electrical design, maintenance points, and the 4.6 MW output into a single engineered power station cabinet.

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