Siemens 3RB1253-0FB11, discontinued overload relay, 50-205 A, Size S6, Class 5-30 F, busbar connection, screw terminal aux, DC 24 V.
Siemens 3RB1253-0FB11 Overload Relay, 50-205 A, Discontinued
MPN3RB1253-0FB11
Siemens 3RB1253-0FB11, discontinued overload relay, 50-205 A, Size S6, Class 5-30 F, busbar connection, screw terminal aux, DC 24 V.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
What is the current range and trip class of 3RB1253-0FB11?
Rated for 50 to 205 A, with adjustable trip class from 5 to 30 F. That covers most standard motor protection profiles from quick-start to high-inertia loads.
What documentation does Siemens provide for 3RB1253-0FB11?
The evidence does not list RoHS, REACH, UL, or IEC certificates for this specific order code. Compliance documentation would need to be verified from the original product datasheet or Siemens support.
MPN
3RB1253-0FB11