Siemens 3RU1126-4BB0 Overload Relay, 600V Range 14-20 Amp

Siemens 3RU1126‑4BB0 is a SIRIUS series thermal overload relay designed for reliable three‑phase motor protection against overload and phase failure. It features adjustable current settings, Class 10 tripping, and selectable manual or automatic reset, making it suitable for industrial motor control panels and machinery. Technical Specifications: Manufacturer: Siemens AG Manufacturer Part Number: 3RU1126‑4BB0 Product Family: SIRIUS Product Type: Thermal overload relay Relay Size: S0 Number of Poles: 3‑pole Current Adjustment Range: 14–20 A Rated Operational Current: 20 A Rated Operational Voltage: Up to 690 V AC (600 V class) Frequency Rating: 50 / 60 Hz Trip Class: Class 10 Protection Function: Thermal overload and phase failure protection Reset Method: Selectable automatic or manual reset Reset Interface: Front reset button with test function Auxiliary Contacts: 1 NO / 1 NC Auxiliary Circuit Connection: Screw terminals Main Circuit Connection: Screw terminals Mounting Method: Direct mounting to Siemens S0 contactors or standalone mounting Ingress Protection Rating: IP20 Indication: Trip indicator Standards Compliance: IEC / EN 60947‑4‑1, UL, CSA Application Type: Motor protection and overload monitoring Housing Material: Industrial molded thermoplastic Color: Gray Condition: As shown Manufacturing Country: Germany Please review pictures carefully and let us know if you have any questions!