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GoodWe

GoodWe Static Transfer Switch for ET50K (Backup Function) STS200-80-10 - ET 50 Series

GoodWe Static Transfer Switch for ET50K (Backup Function) STS200-80-10 - ET 50 Series

R 15,755.00
R 15,755.00
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GoodWe Static Transfer Switch for ET50K (Backup Function) STS200-80-10 - ET 50 Series

The Static Transfer Switch (STS) Box is a smart, high-capacity switching solution for commercial and industrial energy storage systems. It enables automatic, seamless transitions between grid-tied and off-grid inverter modes during power outages, ensuring uninterrupted supply to critical loads. Supporting up to 138kW (200A) in grid-tied mode, it’s compatible with generators and large appliances like heat pumps and motors—delivering flexible, reliable energy management.

Product Features:

  • ET 50kW Compatible: Designed to pair seamlessly with the ET 50kW inverter for UPS-level performance and reliable off-grid switching.
  • Generator Integration: Supports control and integration with diesel generators for backup power flexibility.
  • Large Load Handling: Enables connection and control of high-demand equipment such as motors and heat pumps.
  • Outdoor-Ready: Built with IP65 ingress protection for safe and durable outdoor installation.

PRODUCT SPECIFICATIONS

Electrical Data
- Nominal Output Voltage: 380 / 400 V, 3L / N / PE
- Output Voltage Range: 176 V ~ 276 V
- Nominal AC Frequency: 50 / 60 Hz
- AC Frequency Range: 45 ~ 65 Hz

Inverter Side
- Nominal Apparent Power: 50,000 VA
- Max. Apparent Power: 50,000 VA
- Nominal Current: 72.5 A
- Max. Current: 75.8 A

Grid Side
- Nominal Apparent Power: 50,000 VA
- Max. Apparent Power: 50,000 VA
- Nominal Current: 72.5 A
- Max. Current: 75.8 A

Back-up Side
- Nominal Apparent Power: 50,000 VA
- Max. Apparent Power without Grid: 55,000 VA
- Max. Apparent Power with Grid: 138,000 VA
- Nominal Current: 72.5 A
- Max. Current: 83.3 A

Generator / PV Inverter Side
- Nominal Apparent Power: 50,000 VA
- Max. Apparent Power: 55,000 VA
- Nominal Current: 72.5 A
- Max. Current: 83.3 A

Other Electrical Data
- AC Side Relay Nominal Current: 200 A
- Generator Side Relay Nominal Current: 90 A
- Switch Time: < 10 ms

General Data
- Operating Temperature Range: -35°C ~ +60°C
- Max. Operating Altitude: 4000 m
- Cooling Method: Natural Convection
- Communication with Inverter: RS485
- Weight: 16.5 kg
- Dimensions (W × H × D): 510 × 425 × 156 mm
- Mounting Method: Wall Mounted
- Topology: Non-isolated
- Ingress Protection Rating: IP65

IMPORTANT NOTICE

This product must be installed by a qualified electrician/technician. All installations must adhere to local wiring regulations and standards. Crystal Communications and its Supplier will not be held liable for any product malfunctions as a result of incorrectly installed systems.

Technical specifications and general features are provided on our website, however, as individual needs and requirements may differ, it is recommended that our sales team is contacted for any specific questions before a purchase is made to ensure that the item being purchased will satisfy your requirements.

The images shown are for illustration purposes only and may not be an exact representation of the product.

Crystal Communications (Pty) Ltd may not have all the specific items or quantities of stock you have requested. Our dedicated Customer Service Team will use our extensive network to try to source the stock for you ASAP. You will be notified within 24 hours if we cannot source the required item, and a full refund will be processed on your order. Should you wish to contact us directly, please call 0118670488 or email sales@crystalcom.co.za

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