The Siemens 3RV1421-4AA10 is a robust and reliable Transformer Protection Circuit Breaker. This three-pole device is designed to handle a current of 16 A and can withstand voltages up to 690 V ac. With a breaking capacity of 50 kA at 400 V ac, it offers superior protection for your transformers.
This circuit breaker features a thermo-magnetic mechanism, ensuring optimal performance and safety. It belongs to Class 10, which means it can trip within 10 seconds if the current is 7.5 times the rated current.
The compact dimensions of 45 x 96 x 97 mm make it easy to install in various settings. It's designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, providing flexibility in installation.
The Siemens 3RV1421-4AA10 is part of the SIRIUS product range, known for its high-quality and durable industrial controls. It's designed to operate efficiently in a wide range of ambient temperatures, from -20 to 70 degrees Celsius, making it suitable for various industrial environments.
This circuit breaker does not only offer overload protection but also recognises phase disturbances, enhancing the safety and longevity of your transformers.
Please note that this product does not include an auxiliary switch or an undervoltage release mechanism.
In summary, the Siemens 3RV1421-4AA10 is a high-performing, reliable, and safe choice for transformer protection in your industrial applications.