Motor Protection Relay / Device | Intelligent Motor Protection
Motor Protection Relay / Device | Intelligent Motor Protection
This is a custom-made product. Please contact us to discuss your specifications and receive a quotation.
Description
Intelligent Motor Protection Device — China Manufacturer & Supplier
Wanlong Electric is a professional motor protection device manufacturer based in Suzhou, China. Our intelligent motor protection relays are trusted by industrial buyers, panel builders, and OEM customers across mining, petrochemical, water treatment, and manufacturing industries worldwide.
Why Choose Wanlong Electric as Your Motor Protection Device Supplier?
- 🏭 Factory Direct — Competitive pricing, no intermediaries
- ✅ IEC 60947-4-1 Certified — Internationally recognized motor protection standard
- 📞 English Technical Support — Pre-sales and after-sales within 24 hours
- 📦 OEM/ODM Available — Custom branding and configurations
- 🚚 Fast Delivery — Standard orders ship within 7 days
Product Specifications
- Current Setting Range: 0.1A to 630A
- Trip Class: Class 5, 10, 20, 30
- Protection Functions: Overload, phase loss, phase unbalance, locked rotor, thermistor, ground fault
- Display: LCD with intelligent self-learning
- Communication: RS485 / Modbus RTU
- Standard: IEC 60947-4-1
Protection Functions in Detail
- ⚡ Overload Protection — Prevents motor burnout from sustained overcurrent
- ⚠️ Phase Loss Protection — Detects and trips on single-phase loss
- 🔄 Phase Unbalance Protection — Guards against unbalanced three-phase supply
- 🔒 Locked Rotor Protection — Protects against stall conditions
- 🌡️ Thermistor Protection — Direct winding temperature monitoring
- 🌍 Ground Fault Protection — Detects insulation failure and earth leakage
Applications
- Motor control centers (MCC) and motor starters
- Mining, metallurgy, and heavy industrial motor circuits
- Water treatment and pump stations
- HVAC systems and compressors
- Conveyor systems and process automation
Certifications
- IEC 60947-4-1
- CE marking available
- CCC certification (China Compulsory Certification)
Looking for a reliable motor protection device or motor protection relay supplier in China? Contact Wanlong Electric for factory-direct pricing, technical datasheets, or OEM inquiries.
Care
To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.
Design
Our dedication to excellence extends beyond materials; it encompasses the artistry and craftsmanship illustrated in every piece we create.