The Siemens 3RV1021-1AA15 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This component is part of the SIRIUS product family, renowned for its reliability and performance. With a Class 10 trip class, it offers precise protection for motors by tripping in the event of an overload, preventing potential damage to the motor and associated equipment.
The circuit breaker is rated for a voltage of up to 690 V and has an adjustable pick-up value current range of 1.1 to 1.6 A, with a short-circuit release of 21 A. This flexibility allows for fine-tuning to match specific motor requirements, providing tailored protection. The device also features a standard breaking capacity with a transverse auxiliary switch comprising 1NO/1NC contact configuration, enhancing its functionality for control and signalling purposes.
With a compact design, measuring 45 x 91 x 97 mm, the 3RV1021-1AA15 is engineered for space-saving installation and can be easily mounted onto a 35 mm standard mounting rail according to DIN EN 50022. It is equipped with screw-type terminals for both the main current circuit and auxiliary and control current circuits, facilitating straightforward and secure wiring connections.
The circuit breaker is designed to withstand challenging industrial environments, with an operational temperature range of -20 to +60°C and a high mechanical service life of 100,000 switching cycles for the main contacts. It also boasts a surge voltage resistance rated value of 6,000 V and a protection class of IP20 on the front, ensuring durability and a degree of protection against ingress.
Suitable for a wide range of applications, the Siemens 3RV1021-1AA15 circuit breaker is a dependable choice for motor protection in industrial automation, manufacturing, and processing industries.