1. Comprehensive Motor Protection: Offers precise protection against overload, stall, phase loss, phase sequence error, phase current imbalance, and earth fault (with external zero-sequence CT), comprehensively guarding against electrical faults and effectively extending motor service life.
2. Electronic Design for High Accuracy & Stability: Utilizes electronic sensing and microprocessor technology for more accurate and repeatable tripping performance compared to traditional thermal relays, with immunity to ambient temperature variations, ensuring stable and reliable operation under diverse conditions.
3. Wide Adjustable Current Range: Features a broad current setting range (e.g., 320–600A), easily adjustable via DIP switches, accommodating various high-power motors, reducing spare part inventory, and enhancing application flexibility.
4. Modular Design, Space-Saving Installation: Designed for direct mounting onto ABB A250 series contactors, forming a compact electromagnetic starter combination without additional brackets or complex wiring, saving valuable panel space and simplifying system assembly.
5. Clear Status and Fault Diagnostic Indication: Integrated LED indicators provide real-time visibility of operating status, fault types (e.g., overload, phase loss), and trip causes, enabling fast troubleshooting, reduced maintenance time, and improved productivity.
6. High Reliability and Industrial-Grade Durability: Backed by ABB quality standards, built with industrial-grade components, offering excellent electromagnetic compatibility (EMC) and wide operating temperature range, suitable for demanding industrial environments such as high temperature, humidity, and dust.

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.