The Siemens 3RA2110-1EA15-1BB4 is a robust and reliable load feeder designed for direct-on-line starting applications. This fuseless unit is engineered to operate with a 400 V AC power supply and is suitable for size S00 motor applications, with an adjustable current range of 2.80 to 4.00 A and a control supply voltage of 24 V DC. Its compact design allows for efficient use of space in control cabinets, and the screw connection ensures a secure and straightforward installation onto rail-mounting systems.
Crafted for durability, the 3RA2110-1EA15-1BB4 boasts a mechanical service life of approximately 30 million switching cycles, making it a long-lasting solution for industrial environments. The device operates within an ambient temperature range of -20 to +60 °C, ensuring consistent performance under varying conditions. Additionally, it features a trip class of CLASS 10 with a thermal (bimetallic) overload release, providing reliable protection for motors.
This load feeder is also equipped with three poles for the main current circuit and an electromechanical switching contact design. It is capable of handling operational currents up to 3.6 A at AC-3 and operating power of 1,500 W at 400 V, making it a versatile choice for a wide range of applications. The 3RA2110-1EA15-1BB4 is a testament to Siemens' commitment to quality and efficiency, offering a dependable solution for motor control and protection.