Frame size S00 keeps the footprint compact for DIN-rail mounting in a control cabinet. The spring-loaded terminals accept solid or ferruled stranded conductors without needing a screwdriver torque check — strip length and wire gauge per the terminal marking on the housing.
Siemens 3RH2140-2LV40 Coupling Contactor Relay, 4 NO, 36 V D
MPN3RH2140-2LV40
Siemens SIRIUS 3RH2140-2LV40 coupling contactor relay railway, 4 NO, 36 V DC, 0.7...1.25* US with integrated varistor, frame size S00, spring-loaded terminal.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jul 2026
Product details
Frequently asked questions
What is the 3RH2140-2LV40 used for?
It is a coupling contactor relay for railway applications, switching 4 NO contacts at 36 V DC coil voltage, with an integrated varistor for transient suppression.
Where can I buy the 3RH2140-2LV40?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
3RH2140-2LV40