Siemens 3RB1257-0KM40
MPN3RB1257-0KM40
Overload relay with analog output setting range 125 to 500A 220 to 240V 50/60Hz
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
MPN
3RB1257-0KM40