The Siemens 3RV1321-1KC10 is a robust circuit breaker designed for starter protection applications, ensuring reliable operation and safety in industrial environments. This component, part of the SIRIUS product family, is engineered to provide effective protection by interrupting circuit flow upon detecting faults, thereby safeguarding electrical systems and machinery from damage.
Crafted for durability and efficiency, the 3RV1321-1KC10 features a standard breaking capacity with a screw connection and is suitable for use in systems with up to 690V operating voltage. It has a rated operating current of 12.5A at AC-3, at 400V, and can handle a service power of 5.5kW at the same voltage, making it a versatile choice for various applications.
The circuit breaker is designed with a size S0 footprint, which allows for convenient installation and maintenance. It has a three-pole configuration for the main current circuit and is capable of withstanding impulse voltages up to 6,000V, highlighting its resilience against voltage spikes.
With an IP20 protection class on the front, the device ensures a degree of protection against solid objects, providing a finger-safe design to enhance safety during operation and maintenance. The mechanical service life of the main contacts is rated typically at 100,000 operating cycles, indicating a long-lasting and reliable performance.
The 3RV1321-1KC10 is designed to be mounted on a 35mm standard mounting rail according to DIN EN 50022, offering flexibility in installation. Its compact dimensions, with a width of 45mm, height of 97mm, and depth of 96mm, make it suitable for integration into various control cabinets and panels without requiring excessive space.
This circuit breaker is a testament to Siemens' commitment to quality and reliability, providing a dependable solution for protecting electrical circuits in industrial settings.