Siemens 5SV4314-0 Industrial Residual Current RCBO 2P 40A 30mA

A comprehensive residual current circuit breaker (RCBO) with overcurrent protection, the Siemens 5SV4314-0 Industrial Residual Current RCBO 2P 40A 30mA provides robust safety and reliable performance for a wide range of electrical installations. This device is engineered to protect personnel and equipment from electrical hazards, including shock, fire, and damage caused by overcurrents and earth faults. Key advantages include its dual protection capability, compact design, and straightforward integration into existing systems.

Siemens 5SV4314-0 Industrial Residual Current RCBO 2P 40A 30mA

Product Specifications

| Specification                       | Value                                           |

| :---------------------------------- | :---------------------------------------------- |

| Product Type                        | Residual Current Operated Circuit Breaker (RCBO) |

| Number of Poles                     | 2                                               |

| Rated Current (In)                  | 40 A                                            |

| Rated Residual Current (IΔn)        | 30 mA                                           |

| Rated Voltage (Un)                  | 230 V AC                                        |

| Type of Residual Current            | AC                                              |

| Short-Circuit Current Rating        | 10 kA                                           |

| Mechanical Service Life             | 10,000 switching cycles                         |

| Protection Class                    | IP20 (with connected conductors in a distribution board) |

| Connectable Conductor Cross-Section | 0.75 - 35 mm² (solid and stranded)              |

| Tightening Torque                   | 2.5 - 3 N·m                                     |

| Mounting Type                       | DIN rail                                        |

| Dimensions (H x W x D)              | 90 mm x 36 mm x 70 mm                           |

| Installation Depth                  | 70 mm                                           |

| Number of Width Units               | 2                                               |

| Operating Temperature               | -25 °C to +45 °C                                |

| Storage Temperature                 | -40 °C to +75 °C                                |

Core Features & Market Positioning

The Siemens 5SV4314-0 stands out in the industrial protection market due to its inherent reliability and the trusted Siemens SENTRON brand. It offers essential residual current and overcurrent protection in a single, compact unit, simplifying installation and reducing panel space requirements. This dual functionality positions it as a cost-effective and efficient solution for protecting circuits in various industrial and commercial settings. Its Type AC tripping characteristic makes it suitable for detecting sinusoidal AC residual currents, a common fault type in many applications. The device's robust construction ensures a long mechanical service life of 10,000 switching cycles, underscoring its suitability for demanding industrial environments.

Key Application Scenarios

This Siemens RCBO is ideally suited for protecting circuits in residential buildings, commercial facilities, and industrial plants where protection against electric shock and fire hazards is paramount. It is particularly effective for protecting socket outlets, lighting circuits, and smaller appliances that present a risk of earth leakage. The 30mA tripping sensitivity is a critical safety feature for personnel protection, offering a high level of defense against direct and indirect contact with live parts. Applications include protection for general power distribution, control circuits, and areas with a higher risk of electrical faults.

Practical System Integration Guidance

Installation of the Siemens 5SV4314-0 is straightforward, designed for mounting on a standard DIN rail. It accommodates conductor cross-sections from 0.75 mm² to 35 mm², both solid and stranded, with screw-type terminals requiring a tightening torque of 2.5 to 3 N·m. For optimal performance and safety, it is crucial to ensure proper conductor termination and adherence to national installation regulations. The device features a compact design, occupying only two modular width units (36mm), which facilitates its integration into existing or new distribution boards and enclosures without requiring significant space.

Operation and Risk Mitigation

The Siemens 5SV4314-0 operates by continuously monitoring the current flowing through the live and neutral conductors. If an imbalance is detected, indicating a fault current to earth, the RCBO rapidly trips, disconnecting the power supply and preventing electric shock or fire hazards. While designed for reliability, users should be aware that Type AC devices may not detect pulsating DC residual currents, which are encountered with some modern electronic equipment. In such cases, a Type A or Type F RCBO would be more appropriate. Routine testing using the built-in test button is recommended, with an interval of up to once a year if operated under defined ambient conditions. For troubleshooting, observe that the device is designed for AC fault currents and its performance can be affected by significantly deviating frequencies or high harmonic content.

Scalability & Long-Term Value

The Siemens 5SV4314-0 integrates seamlessly with other Siemens SENTRON products, allowing for a cohesive and scalable protection system. Its standardized design and modularity ensure compatibility with existing electrical infrastructure. While this specific model offers essential residual current and overcurrent protection, Siemens offers a broader range of devices within the SENTRON series that can be deployed to meet evolving protection needs, including those with enhanced tripping characteristics or communication capabilities. The robust construction and established reputation of Siemens in industrial automation contribute to the long-term value and reliability of this product in demanding applications.

Frequently Asked Questions (FAQs)

Q1: What is the primary function of the Siemens 5SV4314-0 RCBO?

The Siemens 5SV4314-0 RCBO serves to protect electrical circuits. It provides essential safety by detecting and interrupting dangerous residual currents. This dual protection guards against electric shock and fire hazards.

This device combines two critical protective functions in one unit. It offers both residual current detection and overcurrent protection. This integration simplifies installations and saves panel space.

Its main purpose is to ensure safety for people, property, and electrical installations. It acts as a vital safeguard against electrical faults.

Q2: What types of fault currents does the Siemens 5SV4314-0 detect?

This RCBO is specifically designed as a Type AC device. It reliably detects sinusoidal AC residual currents. These are common in many standard electrical systems.

It is important to note its limitations. Type AC RCBOs are not designed for pulsating DC residual currents. These can occur with certain electronic devices.

For applications involving pulsating DC or more complex fault currents, other RCBO types (A, F, or B) are necessary. Always verify the fault current types present.

Q3: What are the key technical specifications of the Siemens 5SV4314-0?

The device is a 2-pole unit with a 40A rated current. It has a tripping residual current sensitivity of 30mA. The rated voltage is 230V AC.

It offers a short-circuit current rating of 10kA. This ensures protection against significant fault currents. The device has a mechanical service life of 10,000 switching cycles.

Its compact design fits within 2 modular width units, suitable for DIN rail mounting. The IP20 protection class ensures protection against solid objects larger than 12.5mm.

Q4: Where is the Siemens 5SV4314-0 typically used in industrial settings?

This RCBO is commonly used for protecting circuits in industrial environments. It safeguards against electric shock and potential fires. Its 30mA sensitivity is ideal for personnel protection.

It is well-suited for general power distribution. Applications include protecting lighting and socket circuits. It's also used in control panels and distribution boards.

The device ensures reliable operation in various industrial sectors. Its robust build supports demanding conditions.

Q5: Can the Siemens 5SV4314-0 be easily installed in existing electrical panels?

Yes, the 5SV4314-0 is designed for straightforward installation. It mounts easily onto a standard DIN rail. This allows for simple integration into existing panels.

Its compact size (2 modular widths) is beneficial. It occupies minimal space, making retrofitting more practical. This reduces the need for panel modifications.

The terminals accept a wide range of conductor sizes. This flexibility aids integration with existing wiring systems.

Q6: What is the significance of the "30mA" tripping sensitivity?

The 30mA rating indicates the residual current. This is the leakage current that will trigger the device. It signifies a high level of protection.

This sensitivity is crucial for personnel safety. It provides protection against direct and indirect electric shock. It helps prevent severe injuries or fatalities.

It is the standard for protection against electric shock. This makes the device essential for many safety applications.

Q7: What is the difference between an RCBO and an RCCB?

An RCCB (Residual Current Circuit Breaker) primarily detects residual currents. It protects against electric shock. However, it does not offer overcurrent protection.

An RCBO (Residual Current Circuit Breaker with Overcurrent Protection) offers both. It combines residual current detection with overcurrent and short-circuit protection. This makes it a more comprehensive protective device.

The Siemens 5SV4314-0 is an RCBO, providing dual protection. This makes it a space-saving and efficient solution.

Q8: How does the Type AC designation affect the performance of the 5SV4314-0?

Type AC means the device detects sinusoidal AC residual currents. These are the most common fault currents. It performs reliably in standard AC systems.

However, it is not designed for other fault types. It will not reliably detect pulsating DC residual currents. These can arise from modern electronic loads.

For applications with electronic devices, a Type A, F, or B RCBO is recommended. Verify the presence and type of fault currents.

Q9: What is the expected lifespan of the Siemens 5SV4314-0?

The Siemens 5SV4314-0 has a mechanical service life of 10,000 switching cycles. This indicates a robust design for frequent operation. It ensures reliability over time.

Its quality construction contributes to its durability. It is built to withstand demanding industrial conditions. This provides long-term value.

Proper installation and operation will maximize its lifespan. It is a dependable component for electrical safety.

Q10: Are there any specific national regulations to consider for installing this RCBO?

Yes, national installation regulations must be observed. The use of these devices is not permitted in all countries without adhering to local standards.

Always consult your local electrical codes and standards. These regulations ensure compliance and safety. They may specify particular types of protection devices or installation methods.

Siemens advises users to observe these national installation regulations. This is crucial for safe and compliant operation.