3RV1421-1FA15 SIEMENS

The 3RV1421-1FA15 is a compact and reliable circuit breaker from Siemens, specifically designed for transformer protection within the S00 to S0 frame sizes. This circuit breaker offers enhanced protection with its auxiliary contacts, featuring one normally open (NO) and one normally closed (NC) contact for signaling and control purposes. It incorporates an A-release mechanism with an adjustable current range of 3.5 to 5A, providing precise overload protection for connected equipment. The device is equipped with a short-circuit release set at 260A, ensuring rapid disconnection in the event of a fault. Connection is facilitated through screw terminals, offering a secure and dependable wiring method. This circuit breaker has a standard switching capacity, suitable for a wide range of applications. Its primary function is safeguarding transformers against overloads and short circuits, preventing damage and ensuring operational continuity. The 3RV1421-1FA15 is ideal for applications requiring dependable and accurate circuit protection. It adheres to industry standards, ensuring safety and performance.