3RH21224LV800LA0
Siemens SIRIUS 3RH2122-4LV80-0LA0 railway-specific auxiliary contactor relay, 2NO+1NC contacts, 3 poles, built-in surge suppressor, suitable for railway vehicle control circuits, Size S00 standard size design.
Product Positioning
The 3RH2122-4LV80-0LA0 is a special version of the auxiliary contactor relay from the Siemens SIRIUS series designed for railway applications. It integrates 3 poles, 2NO+1NC contacts, and surge suppression circuitry in a standard S00 size to meet the reliability requirements of rail vehicle control systems.
Core Product Advantages and Features
Special version for railway use
This product is a special railway application version derived from the 3RH2122 series, with a contact configuration of 2NO+1NC and 3 poles, which differs from the standard 2NO+2NC design.
Built-in surge suppressor
The coil circuit integrates surge suppression components, which can reduce the interference of induced surges on surrounding circuits when switching DC loads.
Ring terminal design
The use of ring cable lugs enhances wiring reliability in vehicle vibration environments.
Size S00 Standard Outer Shape
It adopts the standard dimensions of SIRIUS 3RH2 series S00 mechanism and can be installed compatiblely with the same series of bases and accessories.