PCS

Sunny Central Storage UP-S

SMA Solar Technology · Forced air (OptiCool) · Central PCS, 1500V

Utility-scale string battery storage inverter available in four power ratings from 2,933 to 4,600 kW. Uses SiC MOSFET technology to achieve 99.45% peak efficiency at 1500V DC. Air-cooled outdoor enclosure with IP54 protection, supporting both grid-following and grid-forming operation including black start capability.

2,933–4,600 kW

Power Rating

99.45%

Max Efficiency

1,500V

Max DC Voltage

IP54 / IP34

IP Rating

Download Datasheet (PDF)

Specifications

Battery Side (DC)

Operating DC Voltage Range	962–1,500V (SCS 2930/4400) / 1,003–1,500V (SCS 3060/4600)
Max DC Current	3,200 A (SCS 2930/3060) / 4,750 A (SCS 4400/4600)
Max DC Short-Circuit Current	> 500 kA

Grid Side (AC)

Nominal AC Power (1500V DC, cos φ=1, 35°C)	2,933 / 3,067 / 4,400 / 4,600 kW
Max AC Current (35°C)	2,566 A (SCS 2930/3060) / 3,850 A (SCS 4400/4600)
Max THD	< 3% at nominal power
Nominal AC Voltage	660V (SCS 2930/4400) / 690V (SCS 3060/4600)
AC Frequency	50 Hz (47–53 Hz) / 60 Hz (57–63 Hz)
Power Factor	0.0 overexcited to 0.0 underexcited
Min Short-Circuit Ratio	> 2

Efficiency

Max Efficiency

99.45%

Protective Devices

DC Disconnection	DC load break switch
AC Disconnection	AC circuit breaker
DC Overvoltage Protection	Surge arrester, type I
Lightning Protection	Level III (IEC 62305-1)
Insulation Monitoring	Standard

General

Dimensions (W x H x D)	2,815 x 2,318 x 1,588 mm
Weight	< 3,400 kg (SCS 2930/3060) / < 3,700 kg (SCS 4400/4600)
Internal Auxiliary Supply	8.4 kVA transformer
Sound Power (rated / with Silencer Kit)	89/83 dB(A) (SCS 2930/3060) / 91/85 dB(A) (SCS 4400/4600)
Operating Temperature	−40°C to +60°C
Max Altitude	1,000 m (2,000 m optional)
Communication	Ethernet, Modbus Master, Modbus Slave

Grid Functions

Grid Forming / Black Start	Optional
Communication with SMA String Monitor	Modbus TCP / Ethernet

Key Features

SiC MOSFET power stage delivering 99.45% peak efficiency
Four power variants (2,933/3,067/4,400/4,600 kW) covering a wide range of project sizes
OptiCool air cooling for reliable operation across all climatic conditions
Up to four inverters transportable in a single standard shipping container
Optional grid-forming and black start capability for island and microgrid applications
Noise reduction accessories available to lower sound emission by more than 6 dB(A)

Product Certifications

CE IEC 62109-1/2 AR-N 4110 AR-N 4120 AR-N 4130

Environmental Compliance

IEC 61000-6-2 EN 55011 CISPR 11 FCC Part 15 Class A

About the Manufacturer

SMA Solar Technology

Niestetal, Germany · Founded 1981

SMA Solar Technology AG, founded in 1981 and headquartered in Niestetal, Germany, is one of the world's leading manufacturers of solar inverters and energy storage power conversion systems. The company offers dedicated utility-scale and commercial BESS PCS solutions known for ...

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