Siemens 3VA1180-6ED42-0AA0 Standard Molded Case Circuit Breaker 80A 4P 70kA

The Siemens 3VA1180-6ED42-0AA0 is a robust 80A, 4-pole, 70kA Standard Molded Case Circuit Breaker designed for reliable electrical protection. This breaker offers superior interrupting capacity and a compact design, making it an ideal choice for a wide range of industrial and commercial power distribution applications. Its advanced thermal-magnetic tripping mechanism ensures precise overcurrent and short-circuit protection, safeguarding equipment and personnel.

Product Specifications

| Feature                 | Specification                                     |

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

| Product Type            | Standard Molded Case Circuit Breaker              |

| Manufacturer            | Siemens                                           |

| Model Number            | 3VA1180-6ED42-0AA0                                |

| Rated Current (In)      | 80 A                                              |

| Number of Poles         | 4                                                 |

| Breaking Capacity (Icu) | 70 kA at 400/415 VAC                              |

| Tripping Type           | Thermal-Magnetic                                  |

| Mounting Type           | DIN Rail, Screw Terminal                          |

| Auxiliary Contacts      | Available (not included in base model)            |

| Voltage Rating          | 690 VAC                                           |

| Protection Class        | IP20 (body), IP40 (front, with cover)             |

| Standards               | IEC 60947-2                                       |

Core Features & Market Positioning

The Siemens 3VA1180-6ED42-0AA0 stands out in the molded case circuit breaker market due to its exceptional breaking capacity of 70kA, providing a high level of safety for fault currents. Its standardized design facilitates easy integration into existing electrical systems, positioning it as a reliable and cost-effective solution for power distribution protection. The thermal-magnetic trip unit offers a balance of sensitive overload detection and rapid short-circuit response, crucial for protecting sensitive downstream equipment. Its inherent Siemens quality ensures long-term operational stability and minimal maintenance requirements, differentiating it from lower-tier competitors.

Key Application Scenarios

This 80A, 4-pole circuit breaker is exceptionally well-suited for main and branch circuit protection in industrial facilities, commercial buildings, and data centers. It excels in safeguarding motor control centers, power distribution panels, and critical infrastructure where high fault currents are a concern. The 3VA1180-6ED42-0AA0 is a preferred choice for protecting transformers, switchboards, and generators, ensuring operational continuity and safety in demanding environments. Its suitability extends to renewable energy installations, providing essential grid protection.

Practical System Integration Guidance

Integrating the Siemens 3VA1180-6ED42-0AA0 is straightforward due to its standard dimensions and terminal configurations. For DIN rail mounting, simply clip the breaker onto a standard 35mm rail. For screw terminals, ensure appropriate torque is applied to the incoming and outgoing conductors to prevent overheating and ensure secure connections. For applications requiring signaling or remote monitoring, auxiliary and alarm switches can be easily fitted to the side of the breaker without special tools. Always ensure proper conductor sizing and insulation are used according to local electrical codes and the breaker's current rating.

Operation and Risk Mitigation

Operating the Siemens 3VA1180-6ED42-0AA0 involves familiar ON/OFF lever operation for manual switching. The thermal element protects against sustained overloads by tripping the breaker after a time delay proportional to the excess current, while the magnetic element provides instantaneous tripping for severe short circuits. Risk mitigation is inherent in its design; however, users must ensure the breaker is correctly rated for the load and that the incoming fault level does not exceed its 70kA breaking capacity. Regular visual inspection for damage and ensuring clear access to the operating lever are essential maintenance practices.

Scalability & Long-Term Value

The Siemens 3VA1180-6ED42-0AA0 offers significant long-term value through its compatibility with the broader Siemens industrial automation ecosystem. While this specific model is a standard breaker, its integration capabilities with advanced protection relays and communication modules (available separately) allow for enhanced monitoring and control in IIoT-enabled environments. Its robust construction ensures a long service life, reducing the need for premature replacement and contributing to overall system reliability and lower total cost of ownership. Upgrade paths can involve integrating it into smart distribution boards for increased data analytics.

FAQs

What is the breaking capacity of the Siemens 3VA1180-6ED42-0AA0?

The Siemens 3VA1180-6ED42-0AA0 features a robust breaking capacity of 70 kA at 400/415 VAC. This high rating ensures safety by effectively interrupting severe fault currents. It provides significant protection against short circuits.

This substantial interrupting capacity makes it suitable for critical power distribution systems. It is designed to handle fault levels common in industrial and large commercial settings. The 70kA rating offers a high margin of safety.

The high breaking capacity is crucial for preventing damage to downstream equipment and minimizing electrical hazards. It ensures that the breaker will reliably operate even under extreme fault conditions. This meets stringent international safety standards.

What are the main applications for the Siemens 3VA1180-6ED42-0AA0?

This breaker is ideal for main and branch circuit protection in industrial plants. It's also widely used in commercial buildings and data centers. Its 80A rating suits many power distribution needs.

Key applications include protecting motor control centers and switchboards. It provides essential safety for generators and transformers. It also finds use in critical infrastructure power systems.

The 3VA1180-6ED42-0AA0 is also a solid choice for renewable energy installations. It offers necessary protection for grid connections and internal power systems. Its versatility supports diverse electrical setups.

How is the Siemens 3VA1180-6ED42-0AA0 installed?

Installation is typically via standard 35mm DIN rail clipping. Alternatively, it can be mounted using screw terminals for secure connections. Ensure proper torque on conductors.

For DIN rail mounting, simply push the breaker onto the rail until it clicks into place. For screw terminals, use appropriate tools to tighten connections securely. Follow electrical codes for wiring.

This breaker supports optional auxiliary and alarm switches. These can be easily attached to the side of the unit. Ensure proper conductor sizing and insulation are maintained throughout.