Siemens 3VA1110-6ED32-0AA0 Molded Case Air Circuit Breaker 100A 3P 70kA

The Siemens 3VA1110-6ED32-0AA0 is a robust molded case air circuit breaker designed for reliable power distribution and protection in demanding industrial environments. This 3-pole, 100A breaker boasts a substantial breaking capacity of 70kA, ensuring it can safely interrupt fault currents and safeguard critical electrical systems. Its compact design and advanced tripping technology make it an ideal choice for a wide range of applications requiring dependable overcurrent and short-circuit protection.

Siemens 3VA1110-6ED32-0AA0: Product Specifications

| Parameter           | Value                             |

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

| Product Type        | Molded Case Air Circuit Breaker   |

| Model Number        | 3VA1110-6ED32-0AA0                |

| Rated Current (Ie)  | 100 A                             |

| Number of Poles     | 3                                 |

| Breaking Capacity (Icu) | 70 kA                             |

| Tripping Unit       | Electronic (ED)                   |

| Installation Type   | Fixed                             |

| Connection Type     | Front                             |

| Mounting Type       | DIN Rail                          |

| Ambient Temperature | -25 to 70 °C                      |

| Protection Class    | IP20                              |

Core Features & Market Positioning

The Siemens 3VA1110-6ED32-0AA0 distinguishes itself through its advanced electronic tripping unit, offering superior precision and adjustability compared to thermal-magnetic breakers. This ETU provides sophisticated overcurrent protection settings, including adjustable instantaneous trip, definite time delay, and ground fault protection (if applicable to the specific ED variant, though not explicitly stated for this model, ED units typically offer this). Its high breaking capacity of 70kA makes it suitable for applications where fault currents can be significant, a critical factor in industrial safety and equipment longevity. Siemens' reputation for quality and reliability further solidifies the 3VA series' market position as a dependable solution for power distribution and circuit protection needs.

Key Application Scenarios

This molded case circuit breaker is exceptionally well-suited for main and distribution switchboards in industrial facilities, commercial buildings, and power generation plants. Its robust construction and 70kA breaking capacity make it a secure choice for protecting feeders, motor circuits, and transformers where reliable fault interruption is paramount. The 100A rating allows for efficient power distribution to various sub-circuits. Common applications include protecting equipment in manufacturing lines, data centers, and renewable energy installations where uninterrupted and safe power is essential.

Practical System Integration Guidance

Integrating the Siemens 3VA1110-6ED32-0AA0 into existing electrical systems is straightforward due to its standard DIN rail mounting and front connection terminals. Ensure that the upstream and downstream conductors are properly sized for the 100A rating and the fault current levels of the system. For installation, follow standard electrical safety protocols, including de-energizing the circuit before work commences. Verify that all connections are torqued to the manufacturer's specifications to ensure optimal conductivity and prevent overheating. The electronic tripping unit, while robust, may require specific configuration for optimal protection settings based on the protected equipment's characteristics; consult the product manual for detailed parameterization.

Operation and Risk Mitigation

Operating the Siemens 3VA1110-6ED32-0AA0 involves understanding its trip indications and reset procedures. In the event of a fault, the breaker will trip, and the status indicator will change. To reset the breaker after a fault has been cleared, manually move the operating lever fully to the "OFF" position and then to the "ON" position. Regular inspection of connections and the breaker's housing for any signs of damage or wear is crucial for risk mitigation. While this breaker is designed for high reliability, understanding its trip curves and settings helps in preventing nuisance tripping and ensuring appropriate protection under various fault conditions.

Scalability & Long-Term Value

The Siemens 3VA1110-6ED32-0AA0, as part of Siemens' extensive industrial automation portfolio, offers excellent long-term value. While this specific model is a fixed-type breaker, its compatibility with other Siemens circuit protection and automation components allows for seamless integration into larger systems. For applications requiring future expansion or enhanced monitoring, the 3VA series often has communication modules available that can connect the breaker to SCADA systems or IIoT platforms, enabling remote monitoring, diagnostics, and predictive maintenance. This integration capability ensures the breaker remains a valuable asset within an evolving digital industrial landscape.

Frequently Asked Questions

What is the breaking capacity of the Siemens 3VA1110-6ED32-0AA0?

The Siemens 3VA1110-6ED32-0AA0 features a significant breaking capacity of 70kA. This high rating ensures it can safely interrupt severe fault currents. It is crucial for protecting downstream equipment from damage during short-circuit events.

This substantial breaking capacity makes the breaker suitable for main distribution panels. It provides a high level of safety in industrial and commercial installations. Such a rating is essential for compliance with stringent electrical codes and standards.

The 70kA rating signifies the maximum fault current the breaker can safely interrupt. This prevents catastrophic failures and potential fires. It is a key specification for ensuring system reliability and personnel safety.

How do I reset the Siemens 3VA1110-6ED32-0AA0 after a trip?

To reset the Siemens 3VA1110-6ED32-0AA0 after it has tripped, first, ensure the fault condition has been cleared. Then, move the operating lever completely to the "OFF" position. Finally, move the lever to the "ON" position to restore power.

It is vital to identify and rectify the cause of the trip before attempting a reset. Resetting without addressing the underlying issue may lead to repeated tripping or further damage. Always follow proper lockout/tagout procedures.

Consult the user manual for specific details regarding the trip mechanism and reset sequence. Incorrect reset procedures can potentially damage the breaker or compromise its protective functions. Safety should always be the top priority.

What are the typical applications for a Siemens 3VA1110-6ED32-0AA0 breaker?

This breaker is commonly used in main and distribution switchboards in industrial settings. It is ideal for protecting feeders, motor circuits, and transformers from overcurrents. Its robust design ensures reliable operation in demanding environments.

The 100A rating and 70kA breaking capacity make it suitable for substantial power distribution needs. Applications include manufacturing plants, commercial buildings, and data centers. It ensures the safety and uptime of critical electrical infrastructure.

Key application areas also include renewable energy installations and power generation facilities. The Siemens 3VA1110-6ED32-0AA0 provides essential protection for essential equipment in these sectors. Its versatility supports a wide range of electrical protection requirements.