3RB2283-4AA1 Siemens

The Siemens 3RB2283-4AA1 is a state-of-the-art evaluation unit designed for comprehensive motor protection. This unit is an integral component for industrial applications where motor safety and reliability are paramount. It is compatible with motor sizes S00 to S12 and offers adjustable trip classes 5, 10, 20, and 30, providing flexibility to cater to various motor protection requirements. Crafted with precision, the 3RB2283-4AA1 features a solid-state overload relay that ensures consistent performance and durability. The unit is equipped with three poles for the main current circuit and has an adjustable response current range from 0.3 to 630 A, allowing for precise calibration according to the motor's specifications. The auxiliary circuit of the unit includes two normally closed (NC) contacts and two normally open (NO) contacts, ensuring versatile integration into existing control systems. The operating current for the auxiliary contacts is rated at 6 A for AC-15 at voltages up to 230 V and 2 A for DC-13 at 24 V, making it suitable for a wide range of control applications. With an insulation voltage rated at 300 V and surge voltage resistance of 4 kV, the 3RB2283-4AA1 is designed to withstand challenging electrical environments. The unit's protection class IP20 ensures that it is safeguarded against the ingress of solid objects, enhancing its longevity in industrial settings. The evaluation unit's compact dimensions, with a height of 111 mm, width of 45 mm, and depth of 95 mm, allow for stand-alone installation in a variety of spaces without the need for extensive modifications. Its design also accommodates any mounting position, providing additional flexibility during installation. The Siemens 3RB2283-4AA1 is a robust and reliable solution for motor protection, offering precise control and safeguarding against overload conditions. Its advanced features and adaptable design make it an essential component for maintaining the operational integrity of motors in industrial applications.