Intelligent Air Circuit Breaker (ACB) — China Manufacturer & Supplier

Wanlong Electric is a professional air circuit breaker manufacturer based in Suzhou, China, supplying intelligent ACBs to industrial buyers, panel builders, and EPC contractors worldwide. Our ACBs are factory-direct, IEC-certified, and available for OEM/ODM customization.

Why Choose Wanlong Electric as Your ACB Supplier?

• 🏭 Factory Direct — No middlemen, competitive pricing from the source
• ✅ IEC 60947-2 Certified — Meets international standards for industrial circuit protection
• 📞 English-Speaking Technical Team — Pre-sales consultation and after-sales support within 24 hours
• 📦 OEM/ODM Available — Custom branding, ratings, and configurations
• 🚚 Fast Delivery — Standard orders ship within 7 days

Product Specifications

• Rated Current: 630A to 6300A
• Breaking Capacity (Icu): Up to 100kA at 400V AC
• Rated Voltage: Up to 690V AC
• Trip Unit: Intelligent electronic trip unit with LCD display
• Mounting Type: Fixed and draw-out (withdrawable) types available
• Communication: RS485 / Modbus RTU / Profibus DP / Ethernet
• Protection Functions: Overload, short circuit, ground fault, zone selective interlocking (ZSI)
• Standard: IEC 60947-2

Applications

Our air circuit breakers are widely used in:

• Low voltage main distribution boards (MDB) and sub-distribution boards
• Industrial power distribution panels and motor control centers (MCC)
• Data centers, hospitals, and critical power infrastructure
• Mining, petrochemical, and heavy industrial facilities
• Commercial buildings and infrastructure projects

Certifications & Standards

• IEC 60947-2 (Low-voltage switchgear and controlgear)
• CE marking available
• CCC certification (China Compulsory Certification)

Looking for a reliable air circuit breaker manufacturer or ACB supplier in China? Contact Wanlong Electric for a factory-direct quote, technical datasheet, or OEM inquiry.