3RV1021-1AA10

The Siemens SIRIUS series 3RV1021-1AA10 serves as a vital component for circuit protection in industrial applications. This circuit breaker is constructed to operate efficiently at a nominal thermal overload current range of 1.1 to 1.6 A, ensuring reliable operation under standard conditions. It also possesses a short-circuit current handling capacity of 21 A, safeguarding downstream equipment from overload situations.

This circuit breaker is rated for an operational voltage of up to 690 V AC, which makes it versatile for various installation setups. With a notable switching capacity of 100 kA, it provides robust protection against fault conditions. The unit has a power rating of 0.55 kW, suitable for controlling smaller motors and processes.

For connection, the circuit breaker utilizes screw-type terminals, facilitating straightforward wiring. Its design supports mounting on DIN rail, which simplifies the integration into existing electrical panels. The device is classified as IP 20, offering a degree of protection against ingress of solid objects but not against water.

This unit withstands surge voltages of up to 6,000 V, ensuring reliability during transient conditions. It operates effectively at altitudes reaching up to 2,000 meters, maintaining performance under various geographical conditions. Shock resistance ratings of 25 g provide durability against mechanical impacts, while a rated power loss of 7.25 W indicates efficient energy management. Additionally, the circuit breaker accommodates wire sizes within the AWG 14–10 range, allowing flexibility in installation and connection.