Siemens 3VA1110-4ED32-0AA0 High Breaking Capacity Molded Case Circuit Breaker 100A 3P 36kA

The Siemens 3VA1110-4ED32-0AA0 is a high-breaking capacity molded case circuit breaker designed for robust electrical protection. Featuring a 100A rating, 3 poles, and a significant 36kA breaking capacity, this breaker offers superior safety and reliability for industrial applications. Its advanced thermal-magnetic tripping mechanism ensures precise overload and short-circuit protection, safeguarding sensitive equipment and personnel. The compact design facilitates easy integration into various electrical panel configurations, while its durable construction guarantees long-term performance in demanding environments.

Product Specifications

| Parameter               | Value                                    |

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

| Product Type            | Molded Case Circuit Breaker (MCCB)       |

| Siemens Series          | 3VA                                      |

| Model Number            | 3VA1110-4ED32-0AA0                       |

| Rated Current (In)      | 100 A                                    |

| Number of Poles         | 3P (3-pole)                              |

| Breaking Capacity (Icu) | 36 kA                                    |

| Rated Voltage (Ue)      | Up to 600V AC (typically)                |

| Tripping Type           | Thermal-Magnetic                         |

| Frame Size              | 100                                      |

| Mounting Type           | Fixed, panel-mounted                     |

| Terminal Type           | Screw terminals                          |

| Protection Class        | IP20 (enclosure)                         |

| Standards Compliance    | IEC 60947-2, UL 489, CSA C22.2 No. 5       |

Core Features & Market Positioning

The Siemens 3VA1110-4ED32-0AA0 stands out in the market due to its exceptional breaking capacity of 36kA, providing a high level of fault current protection crucial for industrial power distribution systems. This breaker leverages Siemens' renowned quality and engineering, positioning it as a reliable choice for critical infrastructure where downtime is not an option. Its robust thermal-magnetic release ensures dependable operation across a wide range of ambient temperatures, offering enhanced safety and operational continuity compared to lower-rated devices. The integrated accessories and flexible mounting options further enhance its appeal, allowing for tailored solutions in diverse electrical installations.

Key Application Scenarios

This Siemens 3VA1110-4ED32-0AA0 circuit breaker is ideally suited for main power distribution, feeder protection, and motor circuit protection in industrial facilities, manufacturing plants, data centers, and commercial buildings. Its high breaking capacity makes it a robust choice for areas with potential for high short-circuit currents, such as near transformers or generators. Common applications include protecting large machinery, power distribution panels, and as a main incomer breaker for sub-distribution boards, ensuring operational continuity and equipment safety.

Practical System Integration Guidance

Integrating the Siemens 3VA1110-4ED32-0AA0 into existing electrical systems is straightforward due to its standard mounting footprint and terminal configuration. Ensure proper torque is applied to the screw terminals for secure connections, using appropriate cable lugs rated for 100A. The breaker is designed for fixed panel mounting, requiring adequate ventilation space around the unit to maintain optimal operating temperature and ensure reliable thermal tripping. For systems requiring remote signaling or advanced control, auxiliary and alarm switch modules can be easily attached to the breaker, facilitating seamless integration with building management systems or SCADA platforms.

Operation and Risk Mitigation

Operation of the Siemens 3VA1110-4ED32-0AA0 is managed through its front-facing toggle lever, indicating the breaker's status (ON, OFF, TRIPPED). To reset a tripped breaker, the lever must first be pushed to the fully "OFF" position before it can be switched back to the "ON" position. Risk mitigation is inherently built into the device through its precise thermal-magnetic tripping characteristics, which prevent nuisance tripping during normal load fluctuations while quickly responding to dangerous overloads and short circuits. Regular visual inspection for signs of damage or overheating, along with periodic functional testing, is recommended to maintain maximum safety and operational reliability.

Scalability & Long-Term Value

The Siemens 3VA series, including the 3VA1110-4ED32-0AA0, offers significant long-term value through its compatibility with a wide range of optional accessories, such as auxiliary switches, alarm switches, and electronic trip units (available on higher frame sizes), allowing for system upgrades and enhanced functionality as needs evolve. This modularity ensures that the breaker can adapt to changing plant requirements without necessitating a complete system overhaul. Integration with digital monitoring and control systems is also possible, supporting the transition towards smart grids and Industry 4.0 initiatives, enhancing operational efficiency and predictive maintenance capabilities.

Frequently Asked Questions

1. What is the breaking capacity of the Siemens 3VA1110-4ED32-0AA0?

The Siemens 3VA1110-4ED32-0AA0 features a high breaking capacity of 36kA. This rating is crucial for safely interrupting fault currents. It ensures the breaker can withstand and safely dissipate the energy released during a short circuit.

This high rating is essential in industrial settings where fault currents can be significantly higher. It protects downstream equipment from catastrophic damage.

This specification means the breaker is suitable for use in systems with substantial available fault current. It provides a robust safety margin.

2. Can the Siemens 3VA1110-4ED32-0AA0 be used for motor protection?

Yes, the 3VA1110-4ED32-0AA0 can be used for motor protection with appropriate settings. Its thermal-magnetic release offers overload and short-circuit protection. For specific motor starting characteristics, ensure the trip settings are correctly calibrated.

Consider using specific motor protection versions or auxiliary functions if detailed motor diagnostics are required. Consult the manual for precise application guidance.

The breaker's 100A rating and 3-pole design are suitable for many motor circuits. Verify compliance with local electrical codes and standards.

3. What are the dimensions of the Siemens 3VA1110-4ED32-0AA0?

Detailed physical dimensions are available in the technical datasheet. The 3VA1110-4ED32-0AA0 is designed for standard panel mounting. Its compact form factor minimizes space requirements in electrical enclosures.

This MCCB typically fits within standard mounting cutouts for its frame size. Ensure adequate clearance for ventilation and connection.

Refer to the official Siemens documentation for precise width, height, and depth measurements. This ensures proper enclosure design.

4. How do I reset a tripped Siemens 3VA1110-4ED32-0AA0 circuit breaker?

To reset a tripped 3VA1110-4ED32-0AA0, first move the operating lever to the fully "OFF" position. Then, push the lever upwards to the "ON" position. This sequence ensures the breaker is properly reset.

Ensure the fault condition that caused the trip has been identified and rectified before resetting. Continuous tripping indicates an underlying issue requiring investigation.

Always exercise caution when resetting circuit breakers. Verify the system is safe to re-energize.

5. Is the Siemens 3VA1110-4ED32-0AA0 suitable for DC applications?

The Siemens 3VA1110-4ED32-0AA0 is primarily designed and rated for AC applications. Using it in DC systems may not provide adequate protection or could lead to device failure. Always verify product ratings for specific applications.

Specific DC-rated circuit breakers are required for DC circuits. They have different arc-quenching mechanisms. Consult Siemens for DC-specific solutions.

Using AC-rated breakers on DC circuits can be hazardous and may violate safety standards. Ensure correct product selection for your application.

6. What is the difference between Icu and Ics for this breaker?

Icu (Ultimate Breaking Capacity) is the maximum fault current the breaker can interrupt under specific test conditions. Ics (Service Breaking Capacity) is the current it can interrupt in service, typically a percentage of Icu, allowing for re-energization. The 3VA1110-4ED32-0AA0 has an Icu of 36kA.

For the 3VA1110-4ED32-0AA0, the Ics rating is usually a significant portion of the Icu, often around 75% or 100%. Check the datasheet for the exact Ics value.

Understanding both Icu and Ics is vital for determining the breaker's suitability for critical applications where immediate service restoration might be needed after a fault.

7. Can I add accessories like auxiliary switches to the 3VA1110-4ED32-0AA0?

Yes, the Siemens 3VA1110-4ED32-0AA0 is designed to accommodate various accessories, including auxiliary switches and alarm switches. These can be easily mounted on the side of the breaker. This enhances monitoring and control capabilities.

Auxiliary switches provide status feedback (e.g., ON/OFF), while alarm switches signal a tripped condition. They are essential for integration into control systems.

Ensure you select the correct accessory part numbers designed for the 3VA series to guarantee compatibility and proper function.

8. What standards does the Siemens 3VA1110-4ED32-0AA0 comply with?

This circuit breaker complies with major international standards, including IEC 60947-2, UL 489, and CSA C22.2 No. 5. Compliance ensures the product meets stringent safety and performance requirements. Adherence to these standards is critical for global applications.

These certifications indicate that the 3VA1110-4ED32-0AA0 has undergone rigorous testing for electrical safety and performance. It assures reliability in diverse electrical environments.

Using breakers that meet relevant standards is a fundamental aspect of electrical system design and safety compliance.

9. What is the thermal-magnetic trip unit technology used in this breaker?

The 3VA1110-4ED32-0AA0 utilizes a thermal-magnetic trip unit. The thermal element provides protection against sustained overloads by reacting to heat buildup. The magnetic element offers instantaneous protection against high short-circuit currents.

This combination offers reliable, two-stage protection suitable for many industrial applications. It is a proven and robust technology.

The trip settings for overload (thermal) and short-circuit (magnetic) are typically fixed or adjustable depending on the specific variant, but for this model, they are often pre-set.

10. Where can I find the official datasheet for the Siemens 3VA1110-4ED32-0AA0?

The official datasheet can be found on the Siemens Industry Online Support (SIOS) portal. You can also typically download it from authorized Siemens distributors' websites. Always refer to the official documentation for the most accurate and detailed information.

Searching for "Siemens 3VA1110-4ED32-0AA0 datasheet" on a search engine will usually provide direct links. Ensure you are accessing a reliable source, preferably Siemens' own platform.

The datasheet contains critical information on specifications, dimensions, connection details, and accessory compatibility.