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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2031-4VA10 |
| Alternative Part Number | 3RV20314VA10 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Poles | 3 Pole |
| Current Rating | 45 A |
| Voltage Rating | 690 V ac |
| Dimensions | 55 x 149.4 x 140 mm |
| A-Release Range | 35...45 A |
| N-Release Rating | 650 A |
| Terminal Type | Screw Terminal |
| Switching Capacity | Standard |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Electrical Connection | Screw-type terminals for main current circuit, top and bottom arrangement |
| Conductor Cross-Section | 2x (1 ... 25 mm²), 1x (1 ... 35 mm²) for solid or stranded; 2x (1 ... 16 mm²), 1x (1 ... 25 mm²) for finely stranded with core end processing |
| AWG Conductors | 2x (18 ... 3), 1x (18 ... 2) for main contacts |
| Tightening Torque | 3 ... 4.5 N·m for main contacts with screw-type terminals |
| Screwdriver Shaft Diameter | 5 to 6 mm |
| Connection Screw Thread | M6 for main contacts |
| Safety Related Data | T1 value for proof test interval or service life according to IEC 61508 is 10 years |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front |
| Display Version | Handle for switching status |
| Commodity Code | 853620 |
| Approvals | General Product Approval, For use in hazardous locations |
The Siemens 3RV2031-4VA10 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in industrial settings. This three-pole breaker is engineered to handle a Class 10 A-release range of 35 to 45 A and features a high N-release capacity of 650 A. Its screw terminal connections facilitate straightforward installation and maintenance, while its standard breaking capacity provides reliable protection against overloads and short circuits.
With a compact frame size S2, the 3RV2031-4VA10 is suitable for combination with contactors of the same size, allowing for a cohesive and space-saving setup within control cabinets. The device boasts an insulation voltage rated at 690 V and is capable of withstanding surge voltages up to 6 kV, highlighting its durability and resilience in challenging electrical environments.
The circuit breaker's front panel is rated IP20 for protection against ingress, ensuring operational integrity and the safety of personnel. Additionally, it has been tested for shock resistance in accordance with IEC standards, further underlining its robustness. The mechanical service life of the main contacts is rated for an impressive 50,000 switching cycles, indicating a long-lasting and reliable performance.
Designed to meet the demands of modern industrial applications, the Siemens 3RV2031-4VA10 circuit breaker is an essential component for safeguarding motors and electrical circuits from damage due to electrical faults, thereby contributing to the continuity and efficiency of industrial operations.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a 3-pole circuit breaker designed for motor protection, with a CLASS 10 A-release range of 35 to 45 A and an N-release of 650 A, featuring screw terminals and standard switching capacity.
Can this circuit breaker be used for applications other than motor protection?
While it is primarily designed for motor protection, it may be suitable for other applications that match its specifications. However, it's important to consult the device's datasheet or a professional to ensure compatibility with your specific application.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage of this circuit breaker is 690 V ac.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 55 x 149.4 x 140 mm.
Is there a specific mounting position required for this circuit breaker?
The circuit breaker can be mounted in any position, but it is typically snap-on or screw-mounted onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the tightening torque for the main contacts with screw-type terminals?
The tightening torque for the main contacts with screw-type terminals is between 3 and 4.5 N·m.
What type of electrical connection does this circuit breaker have?
This circuit breaker has screw-type terminals for the main current circuit, with the arrangement of electrical connectors at the top and bottom.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 50,000 switching cycles.
What is the protection class of the front face of this circuit breaker?
The front face of the circuit breaker has a protection class of IP20.
Can this circuit breaker be combined with a contactor?
Yes, this circuit breaker can be combined with a contactor of the same size, S2, according to the manufacturer's specifications.
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