Siemens 3UA Thermal Overload Relay

Siemens 3UA Thermal Overload Relays are designed to provide reliable motor protection against overload, phase failure, and excessive heating. Engineered with precision, the 3UA series ensures consistent performance in various industrial environments. With adjustable current settings, easy integration with Siemens contactors, and a robust design, these relays extend motor lifespan and reduce downtime. Compact construction and DIN rail or screw mounting options make installation fast and flexible. Widely applied in automation, pumps, conveyors, fans, and compressors, the 3UA overload relays deliver dependable protection and efficiency for your electrical systems.