Elecnova ECO-STS-C125-2/4/6IN STS Cabinet
STS cabinet for commercial and industrial energy storage systems. Supports configurations with 2, 4 or 6 × 125 kW ESS units, PV integration and backup power operation.
Elecnova ECO-STS-C125-2/4/6IN STS Cabinet
STS cabinet for commercial and industrial energy storage systems. Supports configurations with 2, 4 or 6 × 125 kW ESS units, PV integration and backup power operation.
Brand
Elecnova
Model
ECO-STS-C125-2/4/6IN
Country of origin
China
No. of ESS units
2 / 4 / 6
EQUIPMENT DESCRIPTION
Elecnova ECO-STS-C125-2/4/6IN – STS Cabinet for Energy Storage Systems
Elecnova ECO-STS-C125-2/4/6IN is an automatic switching cabinet (STS) designed for integration with 125 kW Elecnova energy storage systems. The equipment provides automatic switching between the utility grid and off-grid operation, helping maintain power supply to critical loads when the external grid is unavailable.
The series is available in three configurations — ECO-STS-C125-2IN, ECO-STS-C125-4IN and ECO-STS-C125-6IN — supporting 2, 4 or 6 ESS units, respectively. The cabinet also supports connection of a PV inverter and backup loads, enabling integration of an energy storage system with a solar PV system and operation of the facility in off-grid mode.
Key Specifications:
Rated ESS Power
125 kW × 2 / 4 / 6
Rated Grid Voltage
400 V AC
Grid Frequency
50 / 60 Hz
PV Connection
supported
Protection Rating
IP54
Operating Temperature
−25°C … +55°C
Features and Benefits:
Elecnova ECO-STS-C125-2/4/6IN is an automatic switching cabinet (STS) designed to integrate Elecnova energy storage systems into facilities requiring backup power and continued load operation during utility grid outages. The STS manages switching between grid-connected and off-grid operation, providing a fast automatic transition.
The series is available in three configurations — ECO-STS-C125-2IN, ECO-STS-C125-4IN and ECO-STS-C125-6IN — supporting 2, 4 or 6 ESS units rated at 125 kW each, respectively. This allows the configuration to be matched to the required system capacity and scaled for commercial and industrial projects.
The ECO-STS-C125 architecture supports integration with an ESS, utility grid, PV inverter and backup loads. This enables the equipment to be used for integrating energy storage with a solar PV system and providing off-grid power to critical loads.
ECO-STS-C125-2/4/6IN is particularly suitable for retrofitting facilities with an existing grid-tied solar PV system, where energy storage is added to the existing PV installation and backup power is required during grid outages. This allows the ESS to be integrated into the existing energy infrastructure without completely rebuilding the operating solar PV system.
Suitable Applications:
Elecnova ECO-STS-C125-2/4/6IN is designed for commercial and industrial energy systems that need to integrate ESS, the utility grid, solar PV generation and backup loads, with the ability to quickly transition to off-grid operation.
Retrofitting existing solar PV systems. The STS can be used in projects where an Elecnova energy storage system is added to an existing grid-tied solar PV system and backup power is required during utility grid outages.
Commercial and industrial facilities. The solution is suitable for manufacturing sites, warehouses, logistics facilities and other sites where reliable power supply to critical loads is essential.
ESS projects of different capacities. The ECO-STS-C125-2IN, 4IN and 6IN configurations support 2, 4 or 6 × 125 kW ESS units, respectively, allowing the system architecture to be selected according to the scale and power requirements of the project.
How Does STS Work in an Energy Storage System?
Elecnova ECO-STS-C125-2/4/6IN provides automatic switching between the utility grid and the energy storage system. During normal operation, the facility operates with the grid, while the ESS interacts with the power system according to the configured control strategy.
If the utility grid becomes unavailable, the STS switches the system to off-grid operation, allowing backup loads to receive power from the ESS. Once grid power is restored, the equipment returns the system to grid-connected operation.
The architecture also supports PV inverter integration, allowing the STS to be part of a solution that combines a solar PV system, energy storage system and backup power supply for the facility.
ECO-STS-C125-2IN, 4IN or 6IN: Which Configuration to Choose?
Elecnova ECO-STS-C125 is available in three configurations, differing in the number of connected energy storage systems:
ECO-STS-C125-2IN → 2 ESS × 125 kW
ECO-STS-C125-4IN → 4 ESS × 125 kW
ECO-STS-C125-6IN → 6 ESS × 125 kW
The appropriate configuration depends on the number of ESS units, required power capacity and the facility’s power supply architecture. When selecting an STS configuration, the parameters of the ESS, PV system and backup loads should also be considered.
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Questions
and answers
Find answers to the most common questions about the Elecnova ECO-STS-C125-2/4/6IN for commercial and industrial energy storage systems. If you need help selecting the right configuration for your project, contact our specialists for advice.
What is the Elecnova ECO-STS-C125-2/4/6IN used for?
Elecnova ECO-STS-C125-2/4/6IN is used for automatic switching between the utility grid and an energy storage system. If the grid becomes unavailable, the STS provides a fast transition to backup power from the ESS, helping maintain operation of critical loads.
Can the ECO-STS-C125 be used with an existing solar PV system?
Yes. The ECO-STS-C125 can be used to retrofit an existing grid-tied solar PV system when an Elecnova energy storage system is added and backup power is required during utility grid outages. The specific connection scheme depends on the PV system, ESS and load configuration.
What is the difference between ECO-STS-C125-2IN, 4IN and 6IN?
The configurations differ in the number of supported energy storage systems: ECO-STS-C125-2IN supports 2 ESS units, ECO-STS-C125-4IN supports 4 ESS units, and ECO-STS-C125-6IN supports 6 ESS units. Each connected ESS has a rated power of 125 kW
Which energy storage systems are compatible with the ECO-STS-C125?
The ECO-STS-C125 is designed for integration with Elecnova 125 kW energy storage systems. Depending on the STS configuration, it supports 2, 4 or 6 ESS units. The parameters of the specific ESS and the facility's overall power supply architecture should be considered during system design.
