Siemens 3RV2021-4CA10 Molded Case Circuit Breaker

Siemens 3RV2021-4CA10 Molded Case Circuit Breaker delivers 690 V AC rated protection for motors and power-distribution circuits in industrial applications. As part of the 3RV20 series, this 3-pole device provides In 6–10 A (model dependent), a 15 kA breaking capacity, and IP20 enclosure, with mounting on DIN rail or panel. It is designed for motor protection in equipment such as motor control centers, panelboards, and machinery, including manufacturing machines, HVAC systems, pump stations, and conveyor systems, where reliable overload and short-circuit interruption is required. The operating temperature range is -25°C to +60°C. Common replacements include Siemens 3RV2021-4CA11, ABB S202-C10 Circuit Breaker, and Schneider Electric GV2ME10.