3RU21261FB0Siemens Industry Inc. Also known as: Siemens Energy & Automation Description: Siemens 3RU2126-1FB0, Overload Relays-Thermal Magnetic, 3.5-5.0 Amp Range, for use with (3RT202) Contactors Auth QOH 0 | Ind QOH 0 Add to Part Lists Create New List Get Inventory Alert