Previous Next

STS Cabinet 250A

Price on Call

Switch Cabinet

Published 2 months ago by TSTY Electric Co., Ltd.

Price on Call

In Switch Cabinet category

17th Floor, Building 1, Yabao Oriental International Plaza, Jinshui East Road, Jinshui District,, Zhengzhou, Henan, China

Get directions →

0 item views

TSTY STS Cabinet 250A – Intelligent Seamless On/Off-Grid Switching Solution for Energy Storage Systems

Brand: TSTY
Series: Energy Storage System
Model: STS Cabinet 250A
Application: All-in-one ESS container solution integrating PCS, EMS, BMS, cooling, fire suppression system, AC combiner cabinet, and other essential components.The TSTY STS Cabinet 250A is an advanced static transfer switching (STS) cabinet designed for seamless grid switching applications in energy storage systems. Developed for the 125kW rated power all-in-one ESS cabinet, it enables rapid and reliable switching between grid-connected and off-grid modes within 20 milliseconds, ensuring uninterrupted operation of critical loads.With integrated intelligent control, protection devices, UPS backup, metering, breakers, and optional ATS functionality, the STS Cabinet provides a compact, reliable, and efficient solution for modern energy storage applications, microgrids, renewable energy systems, and backup power infrastructure.

Product Parameters

ESS Side Parameters

Parameter	TSTY-STS250-C125	TSTY-STS500-C125	TSTY-STS800-C125
Maximum ESS Connection	1 Unit	2 Units	4 Units
Maximum ESS Current	250A	2×250A	4×250A
Rated ESS Power	125kW	2×125kW	4×125kW

Grid Side Parameters

Parameter	Specification
Grid Connection Ports	1
Maximum Grid Current	500A / 1000A / 1600A
Rated Voltage	400V
Grid Voltage Range	400V ±15%
Grid Type	3W + N + PE
Rated Frequency	50/60Hz
Grid Switching Time	<20ms

PV Input Requirements

Parameter	Specification
Maximum PV Port Current	250A / 500A / 1000A
Recommended Maximum PV Inverter Power	100% × ESS Power

Load Requirements

Parameter	Specification
Maximum Load Current	250A / 500A / 1000A
Recommended Maximum Load Power	≤70% × ESS Power

Auxiliary Equipment Parameters

Parameter	Specification
UPS Power	1kVA / 3kVA / 6kVA
Surge Protection	AC Type II
Meter Accuracy	0.5S
ATS	Optional

General Specifications

Parameter	Specification
Cooling Method	Intelligent Air Cooling
Protection Rating	IP55
Ambient Temperature	-15℃ to +45℃
Communication	RS485, Modbus TCP/IP
Installation	Indoor / Outdoor ESS Applications

Dimensions & Weight

Model	Dimensions (W×D×H)	Weight
STS250	800×1350×2400 mm	500 kg
STS500	1000×1350×2400 mm	550 kg
STS800	1200×1350×2400 mm	1080 kg