HS1V H04 Open Loop Hall Effect Current Sensor offers galvanic isolation, high accuracy (±1.0%), and compact design, ideal for UPS, inverters, and renewable energy systems. Featuring Hall effect technology with ±4V secondary output, it ensures reliable performance under harsh conditions (-40~105°C). Compliant with IEC 60664-1, IEC 61800-5-1, and IEC 62109-1 standards, this sensor provides insulation safety (UL 94-V0), no insertion losses, and wide current measurement up to ±900A, making it perfect for energy storage, battery management, and power conversion applications.More