Overview
The Siemens SIRIUS 3RT2025-1XF40-0LA2 is a high-performance traction contactor designed for demanding applications. This robust 3-pole contactor, part of the S0 frame size, is engineered to provide reliable switching in a variety of industrial and traction environments. With its compact design and solid-state operating mechanism, it offers a long service life and exceptional operational reliability. The integrated varistor provides superior surge protection, safeguarding your system from voltage spikes.
Key Features & Specification
- Product Number: 3RT2025-1XF40-0LA2
- Contactor Type: Traction Contactor
- Operating Voltage: 110 V DC (Solid-State Operating Mechanism)
- Current Rating: 17 A (AC-3e/AC-3)
- Power Rating: 7.5 kW at 400 V
- Number of Poles: 3-pole
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Terminal Type: Screw Terminal
- Frame Size: S0
- Special Features: Integrated Varistor for surge protection, Solid-State Operating Mechanism
- Operating Range: 0.7-1.25* Uc
Benefit
- Enhanced Reliability: The solid-state operating mechanism ensures a high number of switching cycles and minimal wear and tear, leading to a longer product lifespan.
- Superior Surge Protection: The integrated varistor absorbs and dissipates transient voltage spikes, protecting both the contactor and connected equipment from damage.
- Space-Saving Design: The compact S0 frame size allows for efficient panel layout and installation in tight spaces.
- Versatile Application: Ideal for use in traction systems, industrial machinery, and other applications requiring reliable DC switching.
- Easy Installation: Screw terminals provide a secure and straightforward connection, simplifying the wiring process.
Function
The Siemens 3RT2025-1XF40-0LA2 traction contactor serves as an electro-mechanical switch for controlling electrical loads in traction and industrial applications. It uses a 110V DC coil to open and close the main contacts, enabling or interrupting the flow of current to the connected motor or load.
The auxiliary contacts (1 NO + 1 NC) can be used for signaling, interlocking, and control circuit functions, providing flexibility in system design. The solid-state operating mechanism provides precise and consistent switching, while the integrated varistor ensures the coil is protected from over-voltage events.
Application
- Rail and public transit systems (trams, trains, etc.)
- Electric vehicles and machinery
- Industrial automation and control panels
- Material handling systems
- Heavy-duty DC applications
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