Siemens 3RV2021-4AA10 Manual Motor Protector 3 Pole

Siemens 3RV2021-4AA10 is a three-pole manual motor protector designed to provide thermal-magnetic overload protection for three-phase motors. It offers an adjustable current rating from 11 to 16 A per pole and is built in a compact Size S0 package for DIN rail mounting in control panels. Rated for operation on AC networks up to 690 V and featuring screw-terminal connections for straightforward wiring, the device is ready for installation in industrial motor circuits. With Class 10 protection (A-release) for the 11–16 A range, the 3RV2021-4AA10 provides reliable motor protection that is compatible with Siemens Sirius motor protection accessories and standard control panel designs.