SR 3 345

SR 3 345

Sistema de Protección de Transformador. The 345 is a microprocessor-based system for primary and backup protection of low and medium voltage power transformers.

• Proven and secure high-speed protection
• Integrated transformer thermal monitoring for asset management maintenance optimization
• Ground current supervised sensitive ground fault protection for detection of ground faults down to 5% of the winding
• Assignable CT inputs providing flexibility
• Seamless integration into most communication
• Multiple communication networks including USB, Serial, Fiber or copper Ethernet
• Unique draw-out construction to reduce the use of test switches

• Low and medium voltage two winding power transformers
• Harsh environments requiring protection against corrosion and humidity
• Reactors and autotransformers
• Applications requiring fast and secure communications