ST570L Intelligent Motor Protection Controller — Integrated Display

The Wanlong Electric ST570L series is a compact all-in-one intelligent motor protection controller featuring an integrated protection body and display module in a single unit — ideal for space-constrained motor control centers and compact switchgear panels.

Key Features

• All-in-One Design — Protection body and display module integrated in one compact unit, simplifying installation and wiring
• Comprehensive Motor Protection — Overload, phase loss, phase unbalance, locked rotor, and ground fault protection
• Zero-Sequence CT Included — Sensitive ground fault detection for enhanced motor safety
• Space-Saving — Compact footprint ideal for high-density MCC panels
• Wide Motor Range — Suitable for motor circuits rated 50/60Hz, below 1kV
• OEM/ODM Available — Custom configurations from Suzhou manufacturer

Technical Specifications

• Model: ST570L1 / ST570L2
• Design: Integrated protection body + display (all-in-one)
• Rated Voltage: Below 1kV AC
• Rated Frequency: 50Hz / 60Hz
• Accessories Included: CT, zero-sequence CT
• Protection Functions: Overload, phase loss, phase unbalance, locked rotor, ground fault
• Manufacturer: Wan Long Electric Group Co., Ltd., Suzhou, China

Applications

• Compact motor control centers (MCC) with limited panel space
• Industrial switchgear panels requiring all-in-one protection
• Mining, water treatment, and HVAC motor circuits
• Conveyor systems and process automation

Contact Wanlong Electric for technical datasheets, wiring diagrams, or OEM inquiries.