3RV1021-4CA10

The Siemens 3RV1021-4CA10 belongs to the SIRIUS series and is a circuit breaker built for optimum safety in electrical systems. The device is characterized by its S0 frame size, making it a compact yet efficient solution for circuit protection. It is engineered with a trip class of 10, which facilitates reliable operation under various electrical conditions.

The adjustable thermal overload release ranges from 17 A to 22 A, allowing for customization based on specific load requirements. In contrast, the fixed magnetic short-circuit release provides inherent protection at a steady rate of 286A, safeguarding the circuit against abrupt overloads.

Constructed with screw terminals, the breaker is easy to install and maintain. With a front protection class of IP20, it protects internal components while still being suitable for various applications. The device can withstand surge voltages up to 6000V, affording exceptional resilience against electrical spikes.

The mechanical service life of this unit can extend to 100,000 switching cycles, promoting durability and reliability over time. Additionally, it generates approximately 8W of power loss during operation. It also features a shock resistance rating of 25g for 11 milliseconds, ensuring it can endure mild impact without compromising performance.