Siemens 5SV3414-6 Leakage protection switch 2P 40A 100mA

The Siemens 5SV3414-6 is a 2-pole, 40A residual current operated circuit breaker (RCCB) with a sensitivity of 100mA and Type A tripping characteristics. This device is designed for reliable protection against electric shock for personnel and property within residential and functional structures. It is part of Siemens' SENTRON product line, known for its comprehensive portfolio of protection, switching, measuring, and monitoring devices. The 5SV3414-6 offers instantaneous tripping and is suitable for AC 230V supply voltage. Its compact design, with a width of 36mm (2 modular width units), facilitates easy integration into standard electrical installations via DIN rail mounting.

Product Specifications

| Feature                         | Specification                                         |

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

| Brand                           | Siemens                                               |

| Product Designation             | Residual Current Operated Circuit Breaker (RCCB)      |

| Series                          | SENTRON 5sV3                                          |

| Number of Poles                 | 2                                                     |

| Rated Current (In)              | 40 A                                                  |

| Rated Residual Current (IΔn)    | 100 mA                                                |

| Tripping Characteristic         | Type A                                                |

| Rated Voltage (Un AC)           | 230 V / 400 V                                         |

| Frequency                       | 50 Hz                                                 |

| Short-Circuit Breaking Capacity | 10 kA                                                 |

| Mechanical Service Life         | 10,000 operating cycles (typical)                     |

| Degree of Protection (IP)       | IP20 (with connected conductors)                      |

| Mounting Method                 | DIN rail                                              |

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

| Installation Depth              | 70 mm                                                 |

| Number of Modular Width Units   | 2                                                     |

| Conductor Cross-section (solid) | 0.75 - 35 mm²                                         |

| Conductor Cross-section (stranded)| 0.75 - 35 mm²                                         |

| Tightening Torque               | 2.5 - 3 N·m                                           |

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

| Let-through Current             | 5,200 A                                               |

| I²t Value                       | 58,000 A²·s                                           |

| Color                           | RAL 7035                                              |

| Product Feature                 | Silicon-free, Halogen-free                            |

| Supplementary Devices           | Installable                                           |

Core Features & Market Positioning

The Siemens 5SV3414-6 stands out in the market due to its robust design and comprehensive protection capabilities. As a Type A RCCB, it offers enhanced protection by responding to both sinusoidal alternating currents and pulsating direct current residual currents, making it more versatile than Type AC devices. This positions it as a superior choice for applications where such fault currents are probable, commonly found in modern electronic equipment. The device's integration into the Siemens SENTRON series signifies its commitment to high-quality electrical infrastructure solutions, emphasizing safety, efficiency, and reliability. The "Better World" claim associated with this product line further indicates Siemens' focus on sustainability and extended product life, appealing to environmentally conscious buyers and those seeking long-term value.

Key Application Scenarios

The Siemens 5SV3414-6 is ideally suited for a wide range of applications requiring reliable protection against earth faults and indirect contact. Its primary use is in single-phase consumers within residential and functional structures, safeguarding circuits in homes, offices, and commercial buildings. Specific scenarios include protecting circuits feeding appliances with electronic components, such as televisions, computers, washing machines, and lighting systems where pulsating DC leakage currents might occur. In industrial settings, it serves as a critical safety device for personnel and equipment, particularly in control cabinets and distribution boards. Its 100mA sensitivity makes it suitable for supplementary protection against electric shock, while its 40A rating ensures it can handle significant load currents.

Practical System Integration Guidance

Integrating the Siemens 5SV3414-6 into existing electrical systems is straightforward due to its standard DIN rail mounting and modular design. The device occupies two modular width units, fitting seamlessly into standard distribution boards and enclosures. Electrical connections are made via screw-type terminals, which accommodate solid or stranded conductors ranging from 0.75 mm² to 35 mm². A tightening torque of 2.5 to 3 N·m is recommended for secure connections, preventing overheating and ensuring optimal performance. The power supply can be connected from the top or bottom, offering flexibility during installation. Furthermore, the 5SV3414-6 is designed to be compatible with supplementary devices, allowing for potential future expansion of its functionality.

Operation and Risk Mitigation

The Siemens 5SV3414-6 is designed for safe and reliable operation, providing crucial protection against electric shock. Its "reach-around" and touch protection features ensure user safety during installation and maintenance. A key aspect of risk mitigation is understanding the tripping characteristics. As a Type A RCCB, it trips on both AC and pulsating DC leakage currents. Regular testing via the integrated test button is essential to confirm its operational status and ensure continued protection. While specific troubleshooting steps or fault codes are not detailed in the provided snippets, general practice dictates that if the device trips repeatedly, the underlying cause of the earth leakage should be investigated by a qualified electrician. Overloading should be avoided by ensuring the circuit's total load does not exceed the device's 40A rating.

Scalability & Long-Term Value

The Siemens 5SV3414-6 offers significant long-term value through its compatibility with a modular system of accessories and supplementary devices. This allows for the expansion of its capabilities, such as the integration of remote operating mechanisms or auxiliary switches, enabling advanced control and monitoring functions. This inherent scalability ensures that electrical installations can adapt to evolving needs without requiring a complete system overhaul. As part of Siemens' extensive SENTRON portfolio, the 5SV3414-6 benefits from a reputation for durability and reliability, contributing to the longevity of the electrical infrastructure. The product's design for extended product life also aligns with sustainability goals, offering a dependable solution for many years.

Frequently Asked Questions (FAQs)

1. What is the primary function of the Siemens 5SV3414-6?

The Siemens 5SV3414-6 is a residual current operated circuit breaker (RCCB). Its main purpose is to protect people and property from electric shock caused by earth faults. It detects imbalances in current flow and quickly disconnects the power supply.

This device is crucial for preventing electrocution and mitigating fire hazards arising from electrical system faults. It provides essential safety in various settings, ensuring compliance with electrical safety standards.

The 100mA sensitivity is ideal for supplementary protection, offering an added layer of safety beyond basic circuit protection. It ensures that even small leakage currents are detected and interrupted.

2. What does "Type A" mean for this leakage protection switch?

"Type A" indicates that the Siemens 5SV3414-6 can detect and trip on both sinusoidal alternating current (AC) and pulsating direct current (DC) residual currents. This is a significant advantage over Type AC devices, which only respond to AC leakage.

This capability makes the Type A RCCB suitable for circuits powering electronic devices like computers, LED lighting, and variable speed drives. These devices can generate pulsating DC leakage currents, requiring this more advanced tripping mechanism.

By offering broader detection capabilities, Type A devices enhance safety in modern electrical installations where a mix of AC and DC leakage current sources may be present.

3. What is the maximum conductor size that can be connected to the Siemens 5SV3414-6?

The Siemens 5SV3414-6 accepts solid or stranded conductors with a cross-sectional area ranging from a minimum of 0.75 mm² up to a maximum of 35 mm². This wide range ensures compatibility with various wiring gauges commonly used in residential, commercial, and industrial applications.

Properly sizing and stripping conductors is vital for a secure connection. The recommended tightening torque for screw-type terminals is between 2.5 N·m and 3 N·m to ensure reliable electrical contact and prevent overheating.

When selecting conductors, always adhere to local electrical codes and regulations. Ensuring the correct conductor size and connection method is fundamental for the safe and effective operation of the RCCB.

4. What is the short-circuit breaking capacity (Icw) of the 5SV3414-6?

The Siemens 5SV3414-6 has a short-circuit breaking capacity (Icw) of 10 kA. This rating indicates the maximum fault current the device can safely interrupt without sustaining damage. It is a critical safety parameter that ensures the RCCB can withstand and clear high fault currents.

This 10 kA rating is in accordance with IEC 61008-1 and is sufficient for most residential and many commercial installations. It means the device is protected by upstream overcurrent protective devices (like circuit breakers or fuses) that have a rated breaking capacity of at least 10 kA.

It's important to ensure that the upstream protective devices are coordinated with the RCCB's breaking capacity to guarantee system safety. If a fault current exceeds 10 kA, a device with a higher breaking capacity would be required.

5. Can additional devices or accessories be connected to the Siemens 5SV3414-6?

Yes, the Siemens 5SV3414-6 is designed to be expandable with supplementary devices and accessories from the modular system. This allows for enhanced functionality and customization of the electrical installation.

Examples of such accessories include remote operating mechanisms, auxiliary switches for signaling, and surge protection modules. These additions can enable remote control, status monitoring, and integrated overvoltage protection.

This compatibility ensures that the 5SV3414-6 can be part of a more sophisticated electrical system, adapting to future needs and technological advancements.

6. What is the typical mechanical service life of this Siemens leakage switch?

The Siemens 5SV3414-6 typically offers a mechanical service life of 10,000 operating cycles. This metric refers to the number of times the switch can be operated manually or automatically without mechanical failure.

While mechanical life is a key indicator of durability, the electrical life (number of fault current interruptions) is also a critical factor. For RCCBs, frequent tripping due to earth faults can reduce the overall lifespan.

Regular testing, as recommended by manufacturers, helps ensure the device remains functional and reliable throughout its intended service life.

7. What is the rated voltage for the Siemens 5SV3414-6?

The rated voltage for the Siemens 5SV3414-6 is 230V AC for single-phase circuits. It is also specified for use in 230/400V AC systems, common in many electrical grids.

This voltage rating signifies the operational voltage range within which the device is designed to function safely and effectively. Operating it outside this specified voltage range can lead to malfunction or damage.

It's important to ensure that the voltage of the electrical circuit matches the rated voltage of the RCCB for proper protection and longevity.

8. What does the 100mA residual current rating signify?

The 100mA residual current rating (IΔn) indicates the sensitivity of the Siemens 5SV3414-6. This means it will trip when it detects a leakage current of 100 milliamperes or more flowing to earth.

This sensitivity level is typically used for supplementary protection against electric shock in circuits where a higher risk might be present. It is a common standard for general building installations.

While 100mA offers good protection, lower sensitivities (e.g., 30mA) are often used for specific applications requiring enhanced personal protection, such as in bathrooms or areas with increased risk.

9. Can this RCCB be used in outdoor or harsh environments?

The Siemens 5SV3414-6 has a degree of protection of IP20 when installed in a distribution board with connected conductors. This rating is suitable for indoor installations. For outdoor or harsh environments, specific enclosures and higher IP-rated protective measures would be necessary.

Harsh environments, such as those with high humidity, dust, or corrosive substances, can affect the performance and lifespan of electrical components. While some Siemens RCCBs (like the SIGRES series mentioned in search results) are designed for such conditions, the 5SV3414-6 is primarily intended for standard indoor applications.

Always consult the product's specific environmental ratings and consider appropriate protective enclosures if the device is to be installed in conditions exceeding its standard specifications.

10. How does the 5SV3414-6 protect against both AC and pulsating DC leakage currents?

The "Type A" designation signifies the Siemens 5SV3414-6's advanced detection capability. It utilizes internal electronic circuitry to sense and respond to both sinusoidal alternating current (AC) leakage and pulsating direct current (DC) leakage.

Sinusoidal AC leakage is typical in standard wiring faults. Pulsating DC leakage, however, can originate from devices with rectifiers, such as power supplies for electronics, dimmers, or variable frequency drives.

By incorporating detection for both types, Type A RCCBs provide a more comprehensive safety net, protecting against a wider range of fault conditions prevalent in modern electrical systems.