Siemens 3VA1116-3ED32-0AA0 Standard Breaking Capacity MCCB 160A 3P 25kA

The Siemens 3VA1116-3ED32-0AA0 is a robust 3-pole Miniature Circuit Breaker (MCCB) designed for reliable power distribution and circuit protection in demanding industrial environments. This 160A, 25kA breaking capacity MCCB excels in safeguarding electrical systems against overloads and short circuits, offering enhanced operational continuity and safety. Its compact design, advanced tripping mechanisms, and high breaking capacity make it a superior choice for critical applications.

Product Specifications

| Specification           | Value                                   |

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

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

| Series                  | 3VA1 Standard Breaking Capacity         |

| Model Number            | 3VA1116-3ED32-0AA0                      |

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

| Rated Current (In)      | 160 A                                   |

| Breaking Capacity (Icu) | 25 kA                                   |

| Rated Voltage (Ue)      | 400/415 V AC                            |

| Trip Unit Type          | Thermal-magnetic                        |

| Trip Current Setting    | Fixed                                   |

| Mounting Type           | DIN rail or screw mounting              |

| Terminal Type           | Box terminals                           |

| Compliance Standards    | IEC 60947-2                             |

Core Features & Market Positioning

The Siemens 3VA1116-3ED32-0AA0 stands out due to its inherent reliability, a hallmark of Siemens industrial control and protection devices. Its standard breaking capacity of 25kA is a crucial differentiator, providing ample protection for a wide range of distribution boards and motor feeders where higher fault currents may be present. The thermal-magnetic trip unit offers a dependable and cost-effective solution for overload and short-circuit protection, ensuring operational safety without the complexity of adjustable electronic trip units in applications where fixed settings are sufficient. This positions the 3VA1116-3ED32-0AA0 as an ideal solution for standard industrial applications seeking robust protection and long-term service life.

Key Application Scenarios

This MCCB is extensively utilized in main distribution boards for commercial buildings, industrial facilities, and manufacturing plants. It serves as a primary protective device for outgoing feeders, motor control centers (MCCs), and branch circuits where a 160A rating is required. Its robust design is well-suited for environments with moderate to high fault current levels, making it a go-to component for protecting equipment such as transformers, switchgear, and heavy machinery. Industries such as general manufacturing, food and beverage processing, and water treatment facilities frequently specify the Siemens 3VA1116-3ED32-0AA0 for its dependable performance.

Practical System Integration Guidance

Integrating the Siemens 3VA1116-3ED32-0AA0 into existing electrical systems is straightforward. It supports both DIN rail mounting and traditional screw mounting, offering flexibility during installation. The unit features accessible box terminals designed for secure connection of power cables up to its rated current capacity. Proper torque must be applied to the terminal screws to ensure a reliable connection and prevent overheating. For optimal performance and safety, it is essential to wire the MCCB according to local electrical codes and standards, ensuring correct phase rotation and grounding.

Operation and Risk Mitigation

Operating the Siemens 3VA1116-3ED32-0AA0 involves simple manual operation via its toggle lever, which indicates the tripped or ON/OFF status. Resetting the breaker after a trip requires moving the lever to the OFF position and then back to the ON position. Risk mitigation is inherent in its design, with the thermal element providing protection against sustained overloads and the magnetic element offering rapid response to severe short circuits. Should a fault occur, immediate visual inspection of the lever position and surrounding wiring is recommended. While specific fault codes are not typical for this thermal-magnetic type, observing the trip cause (e.g., thermal overload vs. sudden impact) can guide troubleshooting.

Scalability & Long-Term Value

While the 3VA1116-3ED32-0AA0 is a fixed-setting device, its long-term value is realized through its robust construction and adherence to high Siemens quality standards, ensuring a long service life. Its compatibility with a wide array of standard busbar systems and distribution panel components further enhances its integration potential. For advanced monitoring or dynamic control, auxiliary and alarm contacts can be added to provide status signaling to control systems or SCADA platforms, paving the way for a more connected and intelligent electrical infrastructure without replacing the core protective device.

Frequently Asked Questions

What is the breaking capacity of the Siemens 3VA1116-3ED32-0AA0?

The Siemens 3VA1116-3ED32-0AA0 features a standard breaking capacity of 25 kA. This ensures it can safely interrupt fault currents up to this level. It is suitable for applications where fault levels may exceed 10 kA.

What type of trip unit does the 3VA1116-3ED32-0AA0 use?

This MCCB utilizes a thermal-magnetic trip unit. The thermal element protects against overloads, while the magnetic element handles short circuits. It offers fixed settings for protection parameters.

Can the Siemens 3VA1116-3ED32-0AA0 be mounted on a DIN rail?

Yes, the 3VA1116-3ED32-0AA0 supports DIN rail mounting. It also offers options for screw mounting for greater flexibility. Installation should follow manufacturer guidelines.

What is the rated current for the Siemens 3VA1116-3ED32-0AA0?

The rated current (In) for this MCCB is 160A. It is designed to protect circuits with continuous current loads up to this value. Ensure the connected load does not exceed this rating.

Is the Siemens 3VA1116-3ED32-0AA0 suitable for motor protection?

While primarily for circuit protection, it can be used in motor feeder applications. However, for specific motor starting characteristics, a dedicated motor protection circuit breaker might be more appropriate. Always consult application-specific requirements.

What is the number of poles for the 3VA1116-3ED32-0AA0?

This model is a three-pole (3P) circuit breaker. It provides protection across all three phases of a three-phase system. This is standard for many industrial power distribution applications.

What voltage is the Siemens 3VA1116-3ED32-0AA0 rated for?

The rated operational voltage (Ue) for this MCCB is 400/415 V AC. It is designed for use in standard low-voltage industrial power systems. Verify system voltage before installation.

Are there adjustable settings on the 3VA1116-3ED32-0AA0 trip unit?

No, this specific model features a fixed thermal-magnetic trip unit. The protection parameters are pre-set and not adjustable. For adjustable settings, consider other models in the Siemens 3VA range.

What standards does the Siemens 3VA1116-3ED32-0AA0 comply with?

This MCCB complies with the IEC 60947-2 standard. This is a key international standard for low-voltage switchgear. Adherence ensures reliable performance and safety.

How do I reset the Siemens 3VA1116-3ED32-0AA0 after a trip?

To reset, first move the operating lever to the OFF position. Then, move the lever back to the ON position. Ensure the fault condition has been cleared before resetting.