Siemens 3RV1021-1CA10 3-Pole Circuit Breaker/Motor Starter 690V 1.8-2.5Amp

The Siemens 3RV1021‑1CA10 is a compact SIRIUS motor protection circuit breaker and starter designed for reliable protection and switching of small motors. With adjustable thermal overload protection, magnetic short‑circuit protection, and a compact S0 frame size, it is suitable for industrial motor control and distribution applications up to 690 V. **Technical Specifications:** Manufacturer: Siemens Manufacturer Part Number: 3RV1021‑1CA10 Country of Manufacture: Germany Product Type: Motor Protection Circuit Breaker / Manual Motor Starter Product Family: SIRIUS Frame Size: S0 Number of Poles: 3 Rated Operational Voltage (Ue): Up to 690 V AC/DC Rated Insulation Voltage (Ui): 690 V Rated Motor Power: 0.75 kW Current Adjustment Range: 1.8–2.5 A Rated Current: 2.5 A Trip Class: Class 10 Protection Functions: Thermal overload protection and magnetic short‑circuit protection Voltage Type: AC / DC Degree of Protection: IP20 Touch Protection: Finger‑Safe (according to IEC standards) Mounting Type: DIN Rail or Panel Mount Main Circuit Terminals: Screw terminals Operating Mechanism: Rotary switch handle Utilization Category: IEC motor protection applications Application: Motor starter protection, motor branch circuits, industrial control panels Standards Compliance: IEC / EN 60947 series (as indicated on device labeling)