Siemens 5SV4417-0 Disconnector Switch 2P 80A 100mA

The Siemens 5SV4417-0 is a robust 2-pole disconnector switch designed for reliable operation in demanding electrical applications. Engineered for precision and safety, this 80A, 100mA device offers superior protection and operational control. Its key advantages lie in its high breaking capacity, enhanced safety features, and seamless integration into modern electrical distribution systems. With a rated insulation voltage of 400V and a short-circuit current rating of 10kA, the 5SV4417-0 ensures dependable performance under critical conditions, making it an indispensable component for electrical installations requiring precise current interruption and fault protection.

Product Specifications

| Feature                      | Specification                                  |

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

| Manufacturer                 | Siemens                                        |

| Product Series               | 5SV4                                           |

| Number of Poles              | 2                                              |

| Rated Current (In)           | 80 A                                           |

| Rated Residual Operating Current (IΔn) | 100 mA                                         |

| Rated Operational Voltage (Ue) | 230/400 V                                      |

| Rated Insulation Voltage (Ui) | 400 V                                          |

| Rated Short-Time Withstand Current (Icw) | 10 kA                                          |

| Frequency                    | 50/60 Hz                                       |

| Mounting Type                | DIN rail                                       |

| Terminal Type                | Screw terminals                                |

| Protection Rating            | IP20                                           |

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

| Compliance                   | IEC/EN 61009-1                                 |

Core Features & Market Positioning

The Siemens 5SV4417-0 disconnector switch distinguishes itself through its robust construction and advanced protective capabilities. It is positioned as a high-reliability solution for industrial and commercial applications where precise fault detection and isolation are paramount. The device's 100mA residual operating current provides enhanced protection against fire hazards and indirect contact, exceeding standard 30mA requirements for many safety-critical circuits. Its ability to handle 10kA of short-circuit current ensures system integrity during fault events, minimizing damage and downtime. This combination of sensitive fault detection and high breaking capacity makes the 5SV4417-0 a preferred choice for professionals seeking dependable and safe electrical distribution.

Key Application Scenarios

The Siemens 5SV4417-0 finds extensive use in electrical distribution boards and control panels across various sectors. Its primary application is in protecting circuits from overcurrents and earth faults, particularly in areas where increased safety is mandated. This includes industrial machinery control, building management systems, and power distribution for commercial facilities. The 80A rating makes it suitable for main incomer protection or branch circuit protection for substantial loads. Its 100mA sensitivity is ideal for applications requiring protection against fire initiation caused by persistent earth leakage currents, such as in installations with extensive wiring or where equipment might experience insulation degradation over time.

Practical System Integration Guidance

Integrating the Siemens 5SV4417-0 disconnector switch into existing electrical systems is straightforward due to its standard DIN rail mounting and screw terminal connections. Ensure that the incoming power supply is de-energized before commencing any wiring. Connect the phase and neutral conductors to the designated terminals, adhering to correct polarity. The switch should be installed within an appropriately rated enclosure to maintain its IP20 protection rating and prevent accidental contact. For optimal performance and safety, it is crucial to ensure all connections are securely tightened to prevent overheating and electrical arcing. Compliance with local electrical codes and standards is mandatory during installation.

Operation and Risk Mitigation

Operating the Siemens 5SV4417-0 disconnector switch is designed for simplicity, featuring a clear ON/OFF toggle for manual control. The primary function, however, is automatic tripping in the event of an earth fault exceeding 100mA or an overcurrent condition. Upon tripping, the switch must be manually reset after the fault condition has been identified and rectified. Risk mitigation is inherent in its design; the 100mA sensitivity significantly reduces the risk of fire caused by low-level, persistent earth leakage. It also provides enhanced protection against electric shock compared to standard circuit breakers. Regular visual inspections and periodic testing of the tripping function are recommended to ensure continued operational integrity and safety.

Scalability & Long-Term Value

The Siemens 5SV4417-0 offers excellent long-term value through its robust design and compatibility with Siemens' broader electrical infrastructure. While a specific disconnector switch itself is not directly "scalable" in terms of capacity, its integration into modular distribution systems allows for expansion by adding more circuits protected by similar or appropriately rated devices. Its adherence to IEC/EN standards ensures compatibility with other compliant components. For future-proofing, consider systems that allow for monitoring and data logging capabilities, which can be achieved by integrating intelligent devices alongside the 5SV4417-0, paving the way for digital integration and enhanced system management.

FAQs

What is the main function of the Siemens 5SV4417-0?

The Siemens 5SV4417-0 serves as a 2-pole disconnector switch, offering both overcurrent and earth fault protection. Its primary role is to safely interrupt electrical circuits when fault conditions arise, preventing damage to equipment and safeguarding personnel. It ensures operational safety by isolating circuits when necessary, providing a clear visual indication of the circuit's status.

This device is specifically designed to detect residual currents as low as 100mA, making it highly effective in preventing fires triggered by persistent earth leakages. It also provides robust protection against dangerous electrical shocks by rapidly disconnecting power. The 80A current rating indicates its capacity for handling significant electrical loads.

The 5SV4417-0 is a crucial component in modern electrical installations, contributing to overall system reliability and safety compliance. Its integration ensures that electrical systems operate within safe parameters, minimizing risks associated with electrical faults.

Can the Siemens 5SV4417-0 be used for general lighting circuits?

While the 5SV4417-0 offers excellent protection, its 100mA tripping sensitivity might be considered high for standard domestic lighting circuits. Typically, domestic applications utilize 30mA RCDs for enhanced personal protection against electric shock.

The 80A rating and 10kA breaking capacity suggest this disconnector is designed for higher current applications or specific industrial settings where the 100mA sensitivity is a requirement for fire prevention or specialized safety protocols. Using it for general lighting would be an over-specification in most residential contexts.

However, in industrial or commercial buildings with specific risk assessments mandating 100mA protection for certain areas or types of circuits, it could be appropriately applied. Always consult electrical codes and professional advice for suitability.

How does the 100mA sensitivity of the 5SV4417-0 benefit fire safety?

The 100mA tripping threshold is specifically designed to detect persistent, low-level earth leakage currents that might not be immediately dangerous to life but can generate significant heat over time. These prolonged leakages are a common cause of electrical fires, particularly within building insulation or faulty equipment.

By interrupting the circuit when a residual current of 100mA flows, the Siemens 5SV4417-0 effectively prevents the accumulation of heat that could ignite surrounding materials. This makes it an invaluable protective device in installations where the risk of fire due to electrical faults is a significant concern.

This higher sensitivity offers an additional layer of safety beyond standard circuit breakers, targeting specific fire hazards. It is often specified in commercial and industrial environments with extensive wiring, older infrastructure, or where flammable materials are present.

What is the installation procedure for the Siemens 5SV4417-0?

Installation of the Siemens 5SV4417-0 requires adherence to strict electrical safety protocols. First, ensure the main power supply to the distribution board is completely de-energized and locked out to prevent accidental re-energization.

Mount the disconnector switch onto a standard 35mm DIN rail within the electrical enclosure. Connect the incoming line conductor (phase) to the designated input terminal and the neutral conductor to its corresponding input terminal.

Then, connect the outgoing phase and neutral conductors to the output terminals. All connections must be clean, secure, and tightened to the manufacturer's specified torque to ensure reliable electrical contact and prevent overheating. Verify correct wiring polarity.

What does "2P" signify for the Siemens 5SV4417-0?

"2P" in the product designation "Siemens 5SV4417-0 Disconnector Switch 2P 80A 100mA" stands for "2 Poles." This indicates that the switch is designed to interrupt or connect two conductors simultaneously.

Specifically, for this model, it means the disconnector switch controls both the phase conductor and the neutral conductor of an electrical circuit. This is crucial for ensuring complete isolation of the circuit from the power supply, enhancing safety during maintenance or fault conditions.

By switching both poles, it prevents dangerous voltage differentials that could remain if only the phase conductor were switched, while the neutral remained connected. This feature is standard for many safety-critical switching devices in AC systems.

What is the rated current (80A) and its significance?

The "80A" in the product name signifies the rated continuous current that the Siemens 5SV4417-0 disconnector switch can safely handle under normal operating conditions. This is the maximum current the device is designed to carry without overheating or experiencing damage.

Selecting a disconnector with the correct rated current is vital. It must be equal to or greater than the maximum expected load current of the circuit it protects. If the load current exceeds 80A, the switch will likely overheat, leading to potential failure, fire hazards, or damage to connected equipment.

Therefore, this 80A rating makes the 5SV4417-0 suitable for main incomer protection in smaller distribution panels or for protecting significant branch circuits in industrial or commercial applications.

How do I reset the Siemens 5SV4417-0 after it trips?

To reset the Siemens 5SV4417-0 disconnector switch after it has tripped due to an earth fault or overcurrent, first, you must identify and rectify the cause of the fault. Failure to do so will result in the switch tripping again immediately upon reset.

Once the fault condition is resolved, ensure the switch is in the "OFF" position. Then, firmly push the reset button or lever (depending on the specific mechanism, though typically it's a toggle). The switch should then engage, allowing you to manually turn it ON again.

It is crucial to perform a thorough inspection and testing of the circuit after a trip before resetting. If the tripping is recurrent, professional diagnosis is required to identify and fix the underlying electrical issue.

Is the Siemens 5SV4417-0 suitable for outdoor use?

The Siemens 5SV4417-0 disconnector switch has an IP20 protection rating. IP20 indicates protection against solid objects greater than 12.5mm (like a finger) but offers no protection against water ingress.

Therefore, this device is designed for indoor use in dry environments, typically within electrical enclosures or distribution boards. It is not suitable for direct exposure to moisture, rain, dust, or corrosive elements commonly found in outdoor or harsh industrial settings.

For outdoor applications, enclosures with a higher IP rating (e.g., IP54 or higher) and specifically designed outdoor electrical equipment would be necessary to ensure safety and longevity.

What type of terminal connections does the 5SV4417-0 use?

The Siemens 5SV4417-0 disconnector switch is equipped with screw terminals for connecting electrical conductors. This is a standard and reliable method for making secure electrical connections in industrial and commercial electrical installations.

These screw terminals are designed to accept specific wire gauges, and it is essential to use appropriately sized conductors and to tighten the screws to the recommended torque setting. Over-tightening or under-tightening can lead to poor connections, overheating, or conductor damage.

Using this type of terminal ensures a robust connection suitable for the 80A current rating and the demands of electrical distribution systems. Always ensure conductors are properly stripped and inserted before tightening the screws.

What standards does the Siemens 5SV4417-0 comply with?

The Siemens 5SV4417-0 disconnector switch complies with key international electrical safety and performance standards, notably IEC/EN 61009-1. This standard specifically covers residual current operated circuit-breakers with and without integral overcurrent protection for household and similar installations.

Compliance with IEC/EN 61009-1 signifies that the device has undergone rigorous testing to ensure its reliability in detecting residual currents and overcurrents, and its ability to interrupt faulty circuits safely. This ensures a high level of protection for both people and property.

Adherence to these standards assures users and installers that the product meets stringent quality and safety benchmarks, making it a dependable component for electrical installations worldwide.