SIEMENS 3RV2042-4HA10 – HOT INQUIRY SPARE PART

Siemens 3RV2042-4HA10 is a SIRIUS 3RV2 series size S3 motor protection circuit breaker. It integrates thermal overload protection and short-circuit protection for three-phase AC motors. The thermal trip class is Class 10, with adjustable overload current from 36 A to 50 A and fixed short-circuit release at 650 A. It adopts screw terminal connection and features high breaking capacity up to 100 kA, widely used for motor starter combination in industrial control cabinets and frequently requested for plant maintenance.

Technical Specifications

| Manufacturer | Siemens |
| — | — |
| Model | 3RV2042-4HA10 |
| Product Type | Motor Protection Circuit Breaker |
| Series | SIRIUS 3RV2, Frame Size S3 |
| Overload Setting Range | 36 ~ 50 A |
| Instantaneous Short-Circuit Release | 650 A |
| Trip Class | Class 10 |
| Rated Operational Voltage | 20 ~ 690 VAC |
| Breaking Capacity | 100 kA |
| Terminal Type | Screw terminal |
| Pole | 3-pole |
| Enclosure Protection | IP20 |
| Operating Temperature | -20℃ ~ +60℃ |
| Certifications | CE, UL, CCC, DNV, ABS, RoHS compliant |

 

Application

Commonly matched with Siemens SIRIUS contactors to form direct-on-line motor starters. It is widely applied in water treatment, conveyor systems, pump and fan control, packaging machines, chemical and mining automation panels, protecting three-phase motors against overload and short-circuit faults.

 

Inquiry Note

Siemens 3RV2042-4HA10 is one of our popular hot inquiry low-voltage spare parts. Please send your RFQ for quotation, stock availability, lead time or datasheet of this motor protection breaker.

 

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