3RH24311LW800LA0
The Siemens SIRIUS 3RH2431-1LW80-0LA0 is a bolt-locking contact relay for railway applications. It features 3 normally open and 1 normally closed contacts, a DC 32V coil, an operating range of 0.7–1.25 μs, a built-in varistor, screw terminal connection, and an S00 size, making it suitable for vehicle control power supplies.
Product Positioning
The 3RH2431-1LW80-0LA0 is a railway application version of the SIRIUS 3RH24 latching contact relay. The coil allows voltage variations of 0.7–1.25 × Us, which can accommodate fluctuations in onboard DC power. After activation, the contact state is maintained by mechanical latching, making it suitable for rail vehicles and related control equipment.
Core Product Advantages and Features
Railway application version
Designed to meet the control requirements of railway vehicles, the coil operates within a range of 0.7–1.25 × Us and can withstand voltage fluctuations from the onboard DC power supply.
Mechanical bolt retention
After the coil is activated, the contact state is maintained by a mechanical latch. When the control power is interrupted, the contact will not automatically reset, thus preserving the control state.
Built-in varistor
The DC 32V coil has an integrated varistor, which can suppress surge voltages generated when the coil is de-energized, protecting surrounding control components.
Screw terminals
The screw terminal wiring is secure and suitable for general panel installation and future maintenance disconnection.