Static transfer switch
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Electric 250A Gwiec/OEM/Blank Zhejiang, China Static ATS Automatic Transfer Switch
ATS Switch Automatic Static Transfer Panel 3 Phase 1000A Generator 100 AMP
160A 63A 3 Phase Static 100 AMP Automatic Transfer Switch
400A 630A 3 Phase Static Dual Power Automatic Transfer Switch
Advanced Smart Sts Static Transfer Switch - Robust SGCC Material for Durability
Oit Smart Static Transfer Switch PDU for Reliable Power Management
Bwt 19 Inch Rack Mount 220VAC Sts 11000W Industrial Single Cut 45A Transfer Switch Static
Reliable 19-Inch Rack Mount 380VAC Input 45A Output Smart 3 Phase Static Transfer Switch ATS with LCD Display
3u 19-Inch Rack Mount 380VAC Input Intelligent Specialty 3 Phase Static Transfer Switch ATS with LCD Display
Hot Sale Dual Power LCD Display - 19 - Inch Rack Mount Intelligent 3 Phase Static Transfer Switch ATS for Industrial Use
3 Phase 380V 50A Output Zero Transfer Time Dual Power 3u 19 Inch Rack Mount Static Transfer Switch ATS
High-Efficiency 1u Rack Mount Static Transfer Switch for Data Centers
Bvt Rack ATS Single Phase 24kw 220VAC Switch with LCD Display 4ms Static Transfer Switch 100A Sts
High-Performance 220VAC 63A Static Transfer Switch for Reliable Power
Static Transfer Switch (STS) 110V 40A Dual Power Automatic Transfer Switch
125A Single Phase Static Transfer Switch (STS) with Overload & Short Circuit Protection
19" Rack Sts Dual Source 32A 4000W Static Transfer Switch for Telecom Communication Equipment
19inch 45A 10K Rack Mount Sts Static Transfer Switch Zero Transfer Time
Single Phase Single Cut Sts 19 Inch Static Transfer Switch 220V
19inch 25A Sts Single Phase Single Cut Static Transfer Switch 220VAC
Three Phase Sts Static Transfer Switch 160achange Over Switch No Stop Power
Static Transfer Switch Rackmount 1u 16 for Grid Generator Solar Power
Sourcing guidance for Static Transfer Switch
What are the key technical specifications to prioritize when selecting a Static Transfer Switch?
When sourcing an STS, the most critical factor is the transfer time, which must be less than 1/4 of a cycle (typically <5ms) to ensure that sensitive electronic equipment does not reboot during a power source transition. You should also verify the SCR (Silicon Controlled Rectifier) rating, ensuring it can handle high inrush currents without failure. Additionally, look for units with redundant cooling fans and dual manual bypass switches to allow for maintenance without interrupting the load.
Which compliance standards and certifications are mandatory for international markets?
For the North American market, UL 1008 is the gold standard for transfer switch safety. For European and international markets, ensure the product carries the CE mark and complies with IEC 62310, which specifically governs Static Transfer Systems. Furthermore, the manufacturing facility should hold ISO 9001 certification to guarantee consistent production quality and RoHS compliance for environmental safety.
How do I evaluate the reliability and performance of an STS supplier?
Request a Type Test Report from an independent third-party laboratory to verify the switch's performance under extreme conditions. Evaluate the MTBF (Mean Time Between Failures) data provided by the manufacturer; top-tier industrial STS units should exceed 100,000 hours. It is also advisable to check if the supplier provides SNMP cards for remote monitoring, which is essential for modern data center integration.
What are the typical usage scenarios for a Static Transfer Switch?
STS units are primarily used in mission-critical environments where power continuity is non-negotiable. This includes Data Centers (Tier III and IV), Telecommunication hubs, Hospital operating rooms, and Automated industrial production lines. They act as a high-speed bridge between two independent AC power sources (e.g., two different UPS systems) to provide ultimate power redundancy.
Cross-Border Procurement Strategy for Static Transfer Switches
What are the common risks when purchasing high-power electrical equipment cross-border?
The primary risk is voltage and frequency incompatibility. Ensure the supplier configures the unit for your specific grid (e.g., 110V/60Hz vs. 230V/50Hz). Another risk is damage during transit due to the sensitivity of internal power electronics. Always insist on seaworthy vacuum packaging and wooden crate reinforcement with 'TiltWatch' or 'ShockWatch' sensors to monitor handling.
How can I ensure transaction security and quality assurance with Chinese suppliers?
Utilize the Secured Trading services on Made-in-China.com to protect your payment until the goods are verified. For high-value electrical components like an STS, hire a third-party inspection agency (like SGS or Intertek) to perform a Factory Acceptance Test (FAT) before the final balance is paid. This ensures the transfer speed and logic meet your specifications before the item leaves the factory.
What shipping and logistics considerations apply to STS units?
Due to the weight and sensitive electronics, Sea Freight with LCL or FCL is standard, but for urgent data center repairs, Air Freight may be necessary. Ensure the supplier provides a HS Code (typically 8536.50) that matches the local customs tariff schedule to avoid delays. For large-scale projects, negotiate DDP (Delivered Duty Paid) terms if you prefer the supplier to handle all import formalities and taxes.





























