The Siemens SIRIUS 3RV2341-4KC10 Circuit Breaker is designed for starter combinations and provides reliable short-circuit protection for industrial motor starter applications. This Size S3 circuit breaker features a rated current of 75 A with a fixed short-circuit release of 975 A, screw terminal connection, and standard switching capacity. It is suitable for use with Siemens SIRIUS contactors in heavy-duty motor starter combinations, ensuring reliable protection, safe isolation, and efficient operation in industrial automation and motor control systems.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Series | SIRIUS 3RV2 |
| Model Number | 3RV2341-4KC10 |
| Product Type | Circuit Breaker for Starter Combination |
| Frame Size | S3 |
| Application | Starter Combination |
| Rated Current | 75 A |
| Short-Circuit Release (N-Release) | 975 A |
| Number of Poles | 3 |
| Rated Operational Voltage | 20–690 V AC |
| Rated Insulation Voltage | 1000 V |
| Rated Impulse Withstand Voltage | 8 kV |
| Frequency | 50/60 Hz |
| Connection Type | Screw Terminal |
| Switching Capacity | Standard |
| Contactor Combination Size | S3 |
| Auxiliary Switch Extension | Available |
| Degree of Protection | IP20 |
| Mechanical Endurance | 25,000 Operating Cycles |
| Electrical Endurance | 25,000 Operating Cycles |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -50°C to +80°C |
| Maximum Installation Altitude | 2000 m |
| Relative Humidity | 10–95% |
| Mounting | DIN Rail / Panel Mounting |
| Application | Motor Starter Short-Circuit Protection |
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