Anti-backflow Current Transformer 90A/90mA with Φ16mm aperture ensures precise current monitoring and prevents reverse power flow in energy storage and power retrofit projects. Featuring a compact design, easy installation, and reliable performance under harsh conditions (-30℃~70℃), it's ideal for modern grid-tied and renewable energy systems. Rated at AC 0.66kV, 50/60Hz, this transformer guarantees safety with 3kV/1min insulation testing, ensuring long-term stability and efficiency in demanding applications.More