1. Comprehensive and Precise Motor Protection: Offers multi-functional protection including overload, stall, phase loss, phase sequence error, phase current imbalance, and earth fault (with external zero-sequence CT), with high accuracy to effectively prevent damage to large motors from electrical faults, ensuring equipment safety and production continuity.
2. Electronic Design, Immune to Ambient Temperature: Utilizes advanced electronic sensing and microprocessor technology, providing stable protection characteristics unaffected by ambient temperature fluctuations—unlike traditional bimetallic relays—ensuring reliable and accurate operation under diverse conditions.
3. Wide Adjustable Current Range, High Compatibility: Features a broad current setting range (e.g., 400–600A), easily adjustable via DIP switches, suitable for various high-power motor loads, reducing spare part inventory and enhancing system flexibility and maintainability.
4. Modular Mounting, Space and Cost Efficient: Designed for direct mounting onto ABB A370 series contactors, forming a compact electromagnetic starter combination without additional brackets or complex wiring, significantly saving panel space and reducing system integration costs.
5. Clear Status and Fault Indication: Integrated LED indicators provide real-time visibility of power status, running status, fault types (e.g., overload, phase loss), and trip causes, enabling fast troubleshooting by maintenance personnel, minimizing downtime, and improving service efficiency.

Boxun (Hong Kong) Technology Co., Ltd. is a trading company specializing in PLC modules, controllers, frequency converters, servo motors, drives, sensor switches, relays and other industrial control products. Our Main brands INCLUDE Siemens, Mitsubishi, Omron, ALLEN-BRADLEY, Schneider, ABB, YASGAWA.Panasonic, IFM, P+F, etc...We have been engaged in foreign trade for 10 years. Our products have sufficient inventory to enjoy the fastest delivery speed after customers order, and provide customers with high-quality products and high-quality service. We will strive to exceed customer expectations for product requirements. Customers will benefit from our warm, friendly service and professional assistance. We are very much looking forward to working with you.