500-2000kW On/Off-Grid Static Transfer Switch Cabinet(STS Cabinet)
500-2000kW On/Off-Grid Switch Cabinet (STS Cabinet)
Product Description
The PCENERSYS 500-2000kW STS (Static Transfer Switch) Cabinet is a professional power supply switching solution designed for grid-connected and off-grid commercial & industrial energy storage systems and microgrids. It enables seamless and reliable power source switching between the utility grid, energy storage systems, and diesel generators, ensuring uninterrupted power supply for critical loads. Supporting MW-level microgrid system management, this integrated switch cabinet simplifies system architecture, delivers ultra-fast response performance, and significantly improves power supply reliability and operational stability for commercial, industrial, and critical infrastructure applications.
Key Advantages
Automatic Power Source Switching
Supports fully automatic switching between grid power, energy storage, and diesel generators to guarantee uninterrupted power for commercial and industrial applications.
Ultra-Fast Switching Performance
Provides millisecond-level transfer speed: ≤10 ms for systems up to 1000kW and ≤20 ms for 2000kW systems, ensuring seamless power delivery.
Advanced Dual-Mode Control
Built-in grid-connected and off-grid control logic continuously monitors voltage, frequency, and phase angle for stable and reliable system operation.
Intelligent Switching Algorithm
Advanced algorithm analyzes real-time grid conditions including voltage, frequency, and harmonics to achieve predictive and delay-free switching.
Integrated Smart Energy Control
Highly integrated master control module supports coordinated management of PV, energy storage, and diesel generators to optimize switching and energy efficiency.
High Reliability & Easy Integration
Designed for stable operation in industrial environments, with simplified architecture and easy integration into new or existing energy storage systems.
Technical Specifications
| Parameter | STS-500K | STS-1000K | STS-2000F |
|---|---|---|---|
| Rated Power | 500kW | 1MW | 2MW |
| Rated Current | 722A | 1443A | 2887A |
| Maximum Power | 550kW | 1.1MW | 2.2MW |
| Maximum Current | 792A | 1584A | 3175A |
| PV Rated Power (Single/Dual) | 500kW/1MW | 1MW/2MW | 2MW/4MW |
| PCS Rated Power | 500kW | 1MW | 2MW |
| Load Rated Power | 500kW | 1MW | 2MW |
| Voltage Range | AC400V，3W+N+PE | ||
| Rated Frequency | 50 / 60Hz | ||
| Switching Time | ≤10ms | ≤20ms | |
| Protection class | IP21（Indoor）；IP55（Outdoor） | ||
| Protection level | I | ||
| Relative humidity | 0~95% (no condensing) | ||
| Ambient Temperature | -35℃~50℃( derating above 45℃) | ||
| Altitude | 3000m (≥3000m derating) | ||
| Communication Interface | RS485 / CAN / Ethernet | ||
| Dimension (W*D*H) | 1500*900*2100mm（Indoor）；1600*1000*2100mm（Outdoor） | 1600*900*2100mm（Indoor）；1800*1000*2100mm（Outdoor） | |
| Weight (approx.) | 600kg（Indoor）；650kg（Outdoor） | 700kg（Indoor）；750kg（Outdoor） | |
Application Scenarios & Target Markets
500-2000kW On/Off-Grid Switch Cabinet (STS Cabinet) for seamless grid transition, high-reliability power supply and microgrid control
Commercial & Industrial Microgrids
- Ensures seamless on-grid/off-grid switching for factories, industrial parks and commercial complexes
- Stable power supply in regions with unstable grid conditions
C&I Energy Storage System Integration
- Core switching unit for commercial & industrial energy storage systems
- Supports peak shaving, demand response and energy optimization strategies
Critical Load Protection
- Ultra-fast switching within ≤10ms/20ms for data centers, hospitals and telecom facilities
- Prevents downtime, equipment damage and important data loss
Hybrid Energy Systems
- Coordinates PV, energy storage and diesel generator hybrid systems
- Stable operation in both grid-connected and off-grid working modes
Backup & Emergency Power Systems
- Provides uninterrupted power supply during grid failures and emergencies
- Enhances system resilience and power supply reliability
Off-Grid & Weak Grid Applications
- Ideal for remote industrial sites, mining areas and island microgrids
- Reliable operation in limited or unstable grid access regions
Factory Strength
Advanced production equipment, standardized workshop, strict quality control system
Certifications
Complete international certifications, product quality meets global standards
International Certification
Quality Certificate
Safety Standard
CE Certification
ISO Certified
RoHS Directive
Our Partners
Trusted by global brands, long-term strategic cooperation
Our Service Policy
Fast response, professional support, and worry-free cooperation
Free Quote
Send inquiry → Get instant free quotation
24h Reply
Response within 24 hours, no waiting
Dedicated Support
One-to-one professional account manager
Customized Plan
Tailor-made solutions for your needs
Fast Delivery
Rapid dispatch after order confirmation
Project Manager
Dedicated PM & after-sales guarantee
contact us
For more questions please
Office Address: 701, Building A, Yonghuayuan Business Building, Baotian 2nd Road, Chentian Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong Province, China
Factory Address 1: Room 701, Building 2, Kegu Industrial Park, Zone B, Jian'an Road, No. 790, Chang'an Town, Dongguan City, Guangdong Province, China
Factory Address 2: Building 7, Phase II Standardized Factory, Innovation Industrial Park, Duji Economic Development Zone, Huaibei City, Anhui Province, China