Siemens 5SV4316-0 2 Pole Residual Current RCBO 2P 63A 30mA

The Siemens 5SV4316-0 2 Pole Residual Current RCBO 2P 63A 30mA stands as a critical component in modern electrical safety systems, offering robust protection against overcurrents and residual currents. This device integrates the functions of a miniature circuit breaker (MCB) and a residual current device (RCD) into a single, compact unit, simplifying installation and reducing panel space. Its key advantages lie in its dual-pole switching, ensuring both live and neutral conductors are disconnected simultaneously, thereby enhancing safety. The 63A current rating makes it suitable for a wide range of applications, while the 30mA sensitivity provides essential protection against electric shock for personnel. This RCBO is engineered for reliability and compliance with stringent international safety standards, making it a preferred choice for professionals in industrial, commercial, and residential sectors seeking dependable circuit protection.

Product Specifications

| Feature                      | Specification                     |

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

| Product Type                 | Residual Current Circuit Breaker with Overcurrent Protection (RCBO) |

| Manufacturer                 | Siemens                           |

| Model Number                 | 5SV4316-0                         |

| Number of Poles              | 2                                 |

| Rated Current (In)           | 63 A                              |

| Rated Residual Operating Current (IΔn) | 30 mA                             |

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

| Breaking Capacity (Icn)      | 6 kA                              |

| Tripping Characteristic      | Type A                            |

| Frequency                    | 50/60 Hz                          |

| Terminal Type                | Screw Terminal                    |

| Mounting Type                | DIN Rail                          |

| Protection Class             | IP20                              |

| Ambient Temperature Range    | -25 °C to +45 °C                  |

Core Features & Market Positioning

The Siemens 5SV4316-0 distinguishes itself through its inherent Siemens quality and advanced protection capabilities. As a Type A device, it offers enhanced sensitivity to pulsating AC and pulsating residual currents, which are common in many industrial and domestic settings. This superior detection capability, combined with the dual-pole switching mechanism, positions it as a high-performance safety device. Market positioning emphasizes its role as an all-in-one solution, reducing the complexity and cost associated with separate MCB and RCD installations. Its robust construction and adherence to standards like IEC/EN 61009-1 solidify its reputation for reliability in demanding environments.

Key Application Scenarios

This RCBO is exceptionally well-suited for safeguarding circuits in environments where the risk of electric shock or fire due to earth faults is a primary concern. Typical applications include protection of lighting circuits, socket outlets, and individual appliances in residential buildings, commercial establishments, and light industrial facilities. Its 63A rating allows for application on main distribution boards or branch circuits supplying moderate to high loads, such as heating systems, pumps, or machinery. For electricians and system designers, the Siemens 5SV4316-0 simplifies compliance with safety regulations, particularly those mandating residual current protection for personnel safety.

Practical System Integration Guidance

Integrating the Siemens 5SV4316-0 into an electrical system is straightforward, designed for standard DIN rail mounting. Ensure that the incoming power supply is de-energized before commencing installation. The line conductors should be connected to the upper terminals, and the load conductors to the lower terminals, observing correct polarity. The neutral conductor must be connected to its designated terminal. Proper grounding of the enclosure is also essential. The dual-pole design ensures that both the live and neutral conductors are interrupted upon detecting a fault, providing a comprehensive isolation. For systems requiring higher breaking capacities, ensure that the upstream protection device is appropriately rated.

Operation and Risk Mitigation

The Siemens 5SV4316-0 operates by continuously monitoring the balance of current flowing through the live and neutral conductors. If an imbalance exceeding 30mA occurs, indicating current leakage to earth, the RCBO rapidly trips, disconnecting the power supply. This action mitigates the risk of electric shock to individuals and prevents potential fires caused by persistent earth faults. Regular testing of the RCBO using its integrated test button is crucial to ensure its operational readiness. A periodic test cycle involves pressing the "TEST" button, which should cause the RCBO to trip. If it fails to trip, it indicates a malfunction, and the device must be replaced immediately.

Scalability & Long-Term Value

The Siemens 5SV4316-0 offers significant long-term value through its compatibility with the broader Siemens SENTRON protection device portfolio. This allows for seamless integration into larger electrical distribution systems and facilitates future expansion or upgrades. Its robust design ensures a long operational lifespan, minimizing the need for frequent replacements. While not directly an IIoT-enabled device, its reliable performance and standard form factor make it a foundational element in electrical installations that may later be enhanced with smart monitoring or control systems. The availability of spares and adherence to global standards ensure continued support and compatibility over the product's service life.

Frequently Asked Questions

What is the primary function of the Siemens 5SV4316-0 RCBO?

The Siemens 5SV4316-0 RCBO primarily provides combined overcurrent and residual current protection. It safeguards electrical circuits against overload and short-circuit faults, as well as dangerous earth leakage currents. This dual protection is vital for preventing electrical fires and protecting individuals from electric shock.

This RCBO integrates the functions of a miniature circuit breaker (MCB) and a residual current device (RCD) into a single unit. This consolidation simplifies installation and reduces the overall footprint in electrical panels. The device ensures that both live and neutral conductors are disconnected simultaneously when a fault is detected.

Its 30mA sensitivity is specifically designed to protect people, tripping rapidly when leakage current exceeds this threshold. The 63A rating is suitable for circuits with significant power demands.

How does the Siemens 5SV4316-0 protect against electric shock?

The RCBO protects against electric shock by detecting even small imbalances in current flow. If current leaks to earth through a person, the device senses this difference and trips very quickly. This rapid disconnection prevents dangerous levels of current from passing through the body.

The 30mA residual current tripping level is a critical safety feature for personnel protection. This level is considered safe to prevent serious injury or fatality from electric shock. It acts as a last line of defense in case of insulation failure or accidental contact.

Regular testing using the built-in test button is essential to confirm its operational readiness for shock protection. This testing simulates an earth fault to ensure the tripping mechanism is functioning correctly.

What are the main technical specifications to consider for the 5SV4316-0?

Key specifications include its 2-pole configuration, meaning it disconnects both live and neutral. It has a rated current of 63A, indicating the maximum continuous current it can handle. The residual operating current is 30mA, defining its sensitivity to earth faults.

The device is designed for a rated voltage of 230/400V AC and has a breaking capacity of 6kA. It features a Type A tripping characteristic, which is sensitive to AC and pulsating DC residual currents.

It mounts on a standard DIN rail and offers IP20 protection against solid objects. The operating temperature range is from -25°C to +45°C, suitable for most ambient conditions.

Where is the Siemens 5SV4316-0 typically installed in an electrical system?

This RCBO is commonly installed in main distribution boards or sub-distribution panels. It protects individual circuits or groups of circuits requiring both overcurrent and residual current protection. Examples include circuits for socket outlets, lighting, and specific appliances.

Its installation is crucial for compliance with electrical safety regulations, especially in residential, commercial, and light industrial settings. It can be used at the point where power enters a specific area or before a sensitive piece of equipment.

Proper wiring involves connecting incoming supply to the top terminals and outgoing load to the bottom terminals, ensuring correct phase and neutral connections. Grounding of the enclosure is also a standard installation requirement.

What does "Type A" tripping characteristic mean for this RCBO?

A Type A tripping characteristic signifies that the RCBO is sensitive to both sinusoidal alternating currents (AC) and pulsating direct currents (DC) residual currents. This is a broader protection capability than Type AC devices, which are only sensitive to AC residual currents.

This enhanced sensitivity makes Type A RCBOs suitable for a wider range of applications where pulsating DC leakage currents may occur. These can be generated by modern electronic equipment, such as variable speed drives or certain power supplies.

By responding to both AC and pulsating DC faults, the Siemens 5SV4316-0 offers more comprehensive protection against electric shock in diverse environments. It is a critical feature for ensuring safety with contemporary electrical loads.

Can the Siemens 5SV4316-0 be used in industrial environments?

Yes, the Siemens 5SV4316-0 is suitable for many industrial applications, particularly in light to medium industrial settings. Its robust construction and 6kA breaking capacity provide adequate protection for circuits powering machinery or equipment in such environments.

However, for heavy industrial applications with very high fault current levels, a higher breaking capacity RCBO might be necessary. It is essential to assess the prospective short-circuit current at the installation point to ensure compatibility.

The Type A characteristic is also beneficial in industrial settings where electronic equipment is prevalent, offering enhanced protection against various leakage current types. Always consult relevant industrial electrical codes and standards for specific requirements.

How often should the test button on the RCBO be used?

The test button on the Siemens 5SV4316-0 should be operated periodically to ensure the residual current detection and tripping mechanism is functioning correctly. It is recommended to perform this test at regular intervals, such as monthly.

This periodic testing is a crucial part of maintaining the safety integrity of the electrical installation. A successful test involves pressing the button, which should cause the RCBO to trip and disconnect the circuit.

If the test button does not cause the RCBO to trip, it indicates a fault within the device, and it must be replaced immediately. Never assume a faulty RCBO is still providing adequate protection.

What is the significance of the 30mA residual current rating?

The 30mA residual current rating is a standard threshold for personnel protection against electric shock. This level of current, if sustained, can cause muscle contractions and breathing difficulties, but tripping at 30mA typically occurs before a fatal shock can be sustained.

This rating is mandated by many electrical safety regulations for circuits supplying socket outlets and for circuits in locations with increased risk, such as bathrooms or outdoors. It ensures that the device will quickly interrupt the power supply if a dangerous leakage path to earth is established.

The 30mA sensitivity is a key differentiator between MCBs (which protect against overcurrents) and RCBOs/RCDs (which add protection against earth leakage currents). It directly contributes to preventing serious injury or death from electrical accidents.

What happens if the Siemens 5SV4316-0 trips unexpectedly?

Unexpected tripping of the Siemens 5SV4316-0 typically indicates a residual current fault or an overcurrent condition. A residual current fault means there is an unintended path for current to flow to earth, possibly due to damaged insulation, faulty appliances, or moisture.

An overcurrent trip suggests the circuit is drawing more current than its rated capacity, due to overload (too many devices connected) or a short circuit. After identifying the cause, you can reset the RCBO. If it trips again immediately, do not keep resetting; further investigation is required.

Troubleshooting involves checking connected appliances for faults, inspecting wiring for damage, and confirming that the load does not exceed the RCBO's rating. If the issue persists, professional electrical assistance is recommended.

Is the Siemens 5SV4316-0 compatible with other Siemens electrical components?

Yes, the Siemens 5SV4316-0 is part of the Siemens SENTRON system, designed for excellent compatibility with other Siemens circuit protection devices, switchgear, and control components. This ensures seamless integration within a larger Siemens electrical installation.

Its standard DIN rail mounting and terminal types facilitate integration with various busbar systems and wiring configurations commonly found in electrical panels. This compatibility simplifies the design and assembly process for electricians and panel builders.

The adherence to international standards (IEC/EN) further ensures its compatibility with a wide range of electrical infrastructure, not limited strictly to Siemens components, though optimal integration is achieved within the Siemens ecosystem.