The Siemens 3RA2815-1FW10 is a state-of-the-art solid-state relay designed for time-delayed switching applications. This auxiliary switch is part of the SIRIUS series and is engineered to offer reliable performance in a compact form factor, measuring just 45 x 88.9 x 37.1 mm. It is suitable for a wide range of industrial control systems.
This control relay is versatile, with an operating voltage range of 24 to 240 V ac/dc, and can handle a current up to 3 A. It features a dual-pole (DP) configuration with one normally closed (NC) and one normally open (NO) contact, providing flexibility for various circuit designs. The time-delay function can be set within a range of 0.05 to 100 seconds, allowing for precise control over the timing of switching events.
The 3RA2815-1FW10 is designed for easy installation and can be snapped onto the front of 3RT2 contactors, making it a convenient addition to existing setups. It comes with screw terminals for secure and straightforward wiring. Additionally, the integrated varistor ensures damping of contactor coils, enhancing the longevity and reliability of the device.
Crafted with industrial-grade materials, this control relay is built to withstand challenging environments and is rated for an insulation voltage of 300 V with a degree of pollution 3, ensuring robust performance even in demanding industrial settings. The product is also designed to meet the IP20 protection class for both the front and terminal, safeguarding against the ingress of solid objects.
The Siemens 3RA2815-1FW10 is a superb choice for professionals seeking a reliable and efficient solution for time-delayed control in their automation systems.