Automatic Transfer Switch (ATS) — China Manufacturer & Supplier

Wanlong Electric is a professional automatic transfer switch manufacturer and AC dual power changeover switch supplier based in Suzhou, China. Our ATS products are factory-direct, IEC-certified, and trusted by industrial buyers, data center operators, and EPC contractors worldwide.

Why Choose Wanlong Electric as Your ATS Supplier?

• 🏭 Factory Direct — Competitive pricing, no intermediaries
• ✅ IEC 60947-6-1 Certified — International standard for transfer switching equipment
• ⚡ Fast Transfer Time — <100ms (PC class) or <60ms (CB class)
• 📞 English Technical Support — Pre-sales and after-sales within 24 hours
• 📦 OEM/ODM Available — Custom configurations and branding
• 🚚 Fast Delivery — Standard orders ship within 7 days

Product Specifications

• Rated Current: 63A to 3200A
• Type: PC class (load-switching) and CB class (circuit-breaker based)
• Transfer Time: <100ms (PC class), <60ms (CB class)
• Voltage: 3-phase 380V/400V/415V AC; single-phase 220V/230V AC
• Controller: Intelligent microprocessor with LCD display
• Communication: RS485 / Modbus RTU
• Features: Dual power monitoring, manual override, programmable time delays
• Standard: IEC 60947-6-1

Applications

• Data centers and server rooms requiring uninterrupted power
• Hospitals and healthcare facilities (critical power systems)
• Industrial plants with generator backup power
• Commercial buildings and infrastructure projects
• Mining and petrochemical facilities
• Utility substations and power distribution systems

Certifications

• IEC 60947-6-1
• CE marking available
• CCC certification (China Compulsory Certification)

Looking for a reliable automatic transfer switch manufacturer or AC dual power changeover switch supplier in China? Contact Wanlong Electric for factory-direct pricing, technical datasheets, or OEM inquiries.