The Siemens 3RU2116-1FB1 is a thermal overload relay designed to provide efficient motor protection. This component is part of the SIRIUS product range and is suitable for size S00 contactors. It is engineered to safeguard motors in the event of overload or phase failure, with a class 10 response time, ensuring quick reaction to prevent damage.
With an adjustable pick-up value current range of 3.5 to 5.0 A, it allows for precise protection settings tailored to specific motor requirements. The relay operates with a rated control supply voltage of up to 690 V and is compatible with operating frequencies between 50 and 60 Hz, making it versatile for various industrial applications.
The 3RU2116-1FB1 features a robust design with a protection class of IP20, ensuring the safety of personnel and equipment by preventing direct contact with its internal components. It also boasts a shock resistance in compliance with IEC 60068-2-27 standards, highlighting its durability in challenging industrial environments.
This overload relay includes integrated auxiliary contacts, with one normally closed (NC) contact for contactor disconnection and one normally open (NO) contact for signalling a "Tripped" condition, facilitating straightforward monitoring and maintenance.
Designed for stand-alone installation, the 3RU2116-1FB1 comes with screw terminals for both the main and auxiliary circuits, ensuring a secure and reliable connection. Its manual-automatic reset feature provides flexibility in operation, allowing for both manual intervention and automatic reset after a fault condition has been cleared.
The Siemens 3RU2116-1FB1 is a reliable and essential component for motor control applications, offering precise protection and straightforward integration into electrical systems.