ATIONSThe P3500SC with SMB Thyristor Surge Suppressors (TSS) ROHS is a high-performance, economical protection device manufactured by TECH PUBLICATIONS. These Thyristor Surge Suppressors offer robust surge protection that is capable of withstanding multiple lightning strikes, heavy transient surges, and other power disturbances that can damage sensitive electronic components. The P3500SC is UL recognized, double-regulated, and includes a replaceable fuse, making it a reliable choice for your electronic equipment. It is compliant with ROHS specifications, meaning it's constructed with eco-friendly materials, and is designed to reduce waste and environmental impact.