Siemens 5SV4616-0 Surge Overvoltage Protector 2P 63A 300mA

The Siemens 5SV4616-0 Surge Overvoltage Protector is a critical component for safeguarding electrical systems against transient overvoltages, offering robust protection for sensitive equipment. This 2-pole, 63A device with a 300mA residual current rating is engineered for reliability and performance in demanding industrial environments. Its advanced surge suppression technology, coupled with precise residual current detection, ensures operational continuity and personnel safety.

Product Specifications

| Specification             | Value              |

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

| Product Type              | Surge Protector    |

| Poles                     | 2P                 |

| Rated Current (In)        | 63A                |

| Residual Current (IΔn)    | 300mA              |

| Voltage Rating            | 230/400V AC        |

| Impulse Discharge Current | 8 kA               |

| Type of Residual Current  | AC                 |

| Mounting Type             | DIN Rail           |

| Protection Class          | IP20               |

Core Features & Market Positioning

The Siemens 5SV4616-0 distinguishes itself through its dual-functionality, combining effective surge protection with residual current detection, a valuable feature in applications where both overvoltage transients and earth leakage currents pose significant risks. This integrated approach simplifies installation and reduces the need for separate devices. Its robust construction, characteristic of Siemens industrial automation products, positions it as a dependable solution for critical infrastructure and manufacturing settings. The 63A rating makes it suitable for protecting main distribution circuits and significant loads. The 300mA tripping current is specifically designed for fire protection and protection against indirect contact, balancing sensitivity with nuisance tripping avoidance.

Key Application Scenarios

This surge protector finds extensive application in industrial power distribution panels, protecting essential machinery and control systems from lightning-induced surges and switching transients. It is particularly crucial in environments with overhead power lines or in areas prone to electrical storms. Sectors such as manufacturing, process control, and building management systems benefit immensely from the enhanced reliability provided by the Siemens 5SV4616-0. Its inclusion in main incoming supplies for commercial buildings and critical facilities like data centers ensures that sensitive electronic equipment remains operational and undamaged. The residual current functionality also addresses safety requirements in areas with increased risk of electric shock, such as wet environments or installations with extensive metalwork.

Practical System Integration Guidance

Integrating the Siemens 5SV4616-0 into existing electrical infrastructure is straightforward due to its standard DIN rail mounting. For proper installation, ensure the device is connected to the main power supply lines according to the terminal markings, typically with line and neutral conductors for 2-pole protection. The surge protection components are connected in parallel with the load, while the residual current sensing is done in series. It's imperative to connect the neutral conductor through the device's sensing coil for accurate residual current detection. Always verify that the upstream overcurrent protective device (e.g., circuit breaker) has a rating compatible with the 5SV4616-0's 63A rating to ensure coordinated protection. Earthing connections for surge protection should be as short and direct as possible to the main earthing terminal.

Operation and Risk Mitigation

The Siemens 5SV4616-0 operates by diverting transient overvoltages to earth, thereby clamping the voltage to a safe level for connected equipment. In the event of an earth fault current exceeding 300mA, the integrated residual current device (RCD) function trips, rapidly disconnecting the power supply to prevent electric shock and mitigate fire hazards. To mitigate risks, regular testing of the RCD function using the built-in test button is recommended, typically on a monthly basis. Ensure the device is installed in a clean, dry environment within its specified operating temperature range to maintain optimal performance and longevity. Should the device trip, investigate the cause of the surge or earth fault before resetting.

Scalability & Long-Term Value

While the Siemens 5SV4616-0 is a fixed-configuration device, its value lies in its robust protection and integration into Siemens' broader electrical distribution portfolio. It is compatible with other Siemens circuit breakers and surge protection devices, allowing for a cohesive and layered protection strategy within a distribution board. For future upgrades or increased protection needs, users can expand their system with additional stages of surge protection (e.g., Type 1 or Type 2 devices upstream) or select higher-rated residual current devices if application requirements change. Its durable design ensures long-term operational value, minimizing equipment downtime and maintenance costs associated with surge-related failures.

FAQs

What is the primary function of the Siemens 5SV4616-0?

This device primarily protects electrical systems from damaging overvoltage surges. It also incorporates residual current detection to safeguard against earth faults.

It functions as a crucial line of defense for sensitive electronic and electrical equipment. This dual protection enhances system reliability and safety significantly.

The 5SV4616-0 safeguards machinery and control systems in industrial settings. It prevents damage from transient events like lightning strikes.

What are the key technical specifications of the Siemens 5SV4616-0?

It is a 2-pole protector rated at 63A. The residual current tripping current is 300mA.

This device is designed for AC voltage systems up to 230/400V. It features an impulse discharge current of 8 kA.

Mounting is via standard DIN rail, with an IP20 protection class for safe operation.

Where is the Siemens 5SV4616-0 typically installed?

It's commonly found in main distribution panels of industrial facilities. It protects critical loads and sensitive control cabinets.

The protector is ideal for building distribution systems and commercial installations. It safeguards against surges and earth leakage faults.

Installation in areas prone to electrical disturbances ensures operational continuity. It's vital for data centers and manufacturing lines.

How does the 300mA residual current rating benefit users?

The 300mA rating provides enhanced safety against indirect electric shocks. It is crucial for fire protection applications.

This sensitivity level helps prevent fires caused by persistent low-level earth faults. It balances protection with avoiding nuisance tripping.

It ensures compliance with safety regulations for various electrical installations. This rating is standard for main protective devices.

What is the role of the 2-pole configuration in this device?

The 2-pole design allows it to protect both line and neutral conductors simultaneously. This is standard for single-phase or two-wire AC systems.

It ensures complete isolation of the protected circuit when a fault occurs. This enhances overall safety and system integrity.

For 230V systems, protecting both conductors is essential for effective surge and fault management.

How does the impulse discharge current (8kA) affect its performance?

An 8kA impulse discharge current rating indicates significant surge handling capability. It can absorb and dissipate large, short-duration overvoltages.

This capacity ensures effective protection against severe lightning-induced surges. It safeguards connected equipment from catastrophic damage.

Higher impulse discharge current ratings generally mean more robust surge protection.

Can the Siemens 5SV4616-0 be used in residential applications?

While designed for industrial use, its features can be beneficial in demanding residential settings. It offers superior protection over standard devices.

For typical homes, lower-rated devices might suffice, but specific high-risk areas could benefit. Always consult local electrical codes.

Its 63A rating is often higher than standard residential breaker ratings, so careful system assessment is needed.

What maintenance is required for the Siemens 5SV4616-0?

Regular testing of the residual current function is crucial. Use the integrated test button monthly to verify operation.

Ensure the device is kept clean and dry within its operating environment. Avoid exposure to excessive moisture or dust.

No complex maintenance is typically needed; focus on periodic functional checks.

What happens if the Siemens 5SV4616-0 trips?

A trip indicates an overvoltage surge or an earth leakage fault exceeding 300mA. The device disconnects power to protect the system.

Investigate the cause of the trip before resetting the device. This might involve checking for lightning activity or faulty appliances.

Reset the device only after the fault condition has been identified and resolved.

What is the significance of the Siemens brand for this product?

Siemens is a globally recognized leader in electrical engineering and automation. Their products are known for high quality and reliability.

Choosing Siemens ensures adherence to strict manufacturing standards and performance criteria. It offers peace of mind regarding system protection.

The brand signifies robust engineering and long-term operational durability in industrial environments.