Siemens 3RV1031-4GA15 Motor Starter Protector

Siemens 3RV1031-4GA15 Motor Starter Protector is a dedicated motor protection device that combines starting control with overload protection for motors. The exact model 3RV1031-4GA15 carries a current rating of 36 to 46 A, placing it in the mid-range for motor protection in industrial panels. As a motor starter protector, it is designed to be used in control circuits where reliable interruption of motor current is required during overload or fault conditions, helping to prevent motor damage and related equipment downtime. Typical applications include protection and starting control for small to medium AC motors in manufacturing lines, pumps, conveyors, and processing equipment, particularly where space efficiency within control cabinets is important. The device is part of Siemens SIRIUS motor protection solutions, offering integrated switching and protection under a single part number for streamlined panel design and part sourcing. Because it integrates both control and protection in a single device, it can simplify wiring and spare-part management in new installations or panel upgrades.