Siemens 5SY6180-7CC Heavy Duty High Power Circuit Breaker 1P 80A

Siemens 5SY6180-7CC: A Robust 1-Pole, 80A Heavy-Duty Circuit Breaker

The Siemens 5SY6180-7CC stands as a prominent solution in industrial electrical protection, engineered for demanding applications. This heavy-duty, high-power, single-pole circuit breaker, rated at 80A, is designed to deliver reliable overcurrent and short-circuit protection. Its core advantages lie in its robust construction, adherence to stringent international standards, and seamless integration capabilities within Siemens' comprehensive electrical infrastructure. Key technical parameters include a rated voltage of 230/400 V and a breaking capacity of 6kA (according to EN 60898) or 15kA (according to IEC 60947-2). The C-type tripping characteristic ensures effective protection against inductive loads, making it suitable for a wide array of industrial settings.

Product Specifications

| Specification                       | Value                                    |

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

| Manufacturer                        | Siemens                                  |

| Product Number                      | 5SY6180-7CC                              |

| Type                                | Miniature Circuit Breaker                |

| Poles                               | 1                                        |

| Rated Current                       | 80A                                      |

| Rated Voltage                       | 230/400 V                                |

| Breaking Capacity (A 60898)   | 6 que                                                                                        

| Breaking Capacity (IEC 60947-2)     | 15 kA                                    |

| Tripping Characteristic             | C                                        |

| Width (Number of Modular Spacings)  | 1                                        |

| Installation Depth                  | 70 mm                                    |

| Connection Terminals                | Suitable for single-core and multi-core cables up to 35 mm² |

| Operating Temperature               | -25 °C to +55 °C                         |

| Storage Temperature                 | -40 °C to +75 °C                         |

Core Features & Market Positioning

The Siemens 5SY6180-7CC is positioned as a dependable workhorse within the SENTRON miniature circuit breaker (MCB) series. Its "heavy-duty" and "high-power" designation underscores its capability to handle significant electrical loads reliably. A key differentiator is its robust design, which ensures durability and longevity even in harsh industrial environments. The C-type characteristic is particularly advantageous for protecting circuits with moderate inrush currents, such as motors and transformers, offering enhanced selectivity in protection compared to slower-acting devices. This positions the 5SY6180-7CC as a preferred choice for applications where reliable and robust protection is paramount, competing effectively with other industrial-grade circuit breakers through its proven Siemens quality and comprehensive support network.

Key Application Scenarios

The Siemens 5SY6180-7CC is ideally suited for a broad spectrum of industrial applications where precise and reliable overcurrent protection is essential. Its 80A rating and C-curve characteristic make it a prime candidate for protecting main distribution circuits, heavy machinery feeders, and control panels in manufacturing plants, processing facilities, and workshops. It is frequently employed in systems that involve inductive loads, such as motor control centers, HVAC systems, and large pump installations, where it effectively guards against both overload and short-circuit conditions. Furthermore, its compatibility with standard DIN rail mounting facilitates its integration into existing electrical infrastructure across various industrial sectors, including power generation, chemical processing, and general manufacturing.

Practical System Integration Guidance

Integrating the Siemens 5SY6180-7CC into existing electrical systems is straightforward due to its standard design and compatibility with industrial mounting systems. The circuit breaker mounts on a standard 35mm DIN rail, allowing for tool-free installation and removal, a feature common across the Siemens 5SY6 series. Connection terminals are designed to accommodate a wide range of conductor sizes, with support for single-core and multi-core cables up to 35 mm², and tightening torques specified between 2.5 to 3.5 N·m. The power supply can be connected from either the top or bottom terminals, offering flexibility during installation. For enhanced functionality, auxiliary switches and remote tripping mechanisms can be added, though compatibility should be verified for specific accessory models. Adherence to local electrical codes and regulations, performed by qualified electricians, is paramount during installation.

Operation and Risk Mitigation

Safe and effective operation of the Siemens 5SY6180-7CC relies on understanding its tripping characteristics and implementing proper risk mitigation strategies. The C-type characteristic provides a magnetic trip between 5 to 10 times the rated current, suitable for loads with moderate inrush currents. In case of overcurrent or short circuits, the breaker will trip, interrupting the power supply to prevent damage to downstream equipment and wiring, and to mitigate fire hazards. Regular visual inspections for any signs of damage or overheating are recommended. While specific fault codes are not typically associated with MCBs like the 5SY6180-7CC, operators should be aware that repeated tripping may indicate an underlying circuit issue requiring professional diagnosis. Ensuring all connections are secure and torqued correctly during installation is a critical step in preventing operational failures and potential arc faults.

Scalability & Long-Term Value

The Siemens 5SY6180-7CC offers significant long-term value through its robust design and integration within the broader Siemens industrial ecosystem. While this specific model is a single-pole unit, the 5SY6 series provides a range of pole configurations and current ratings, allowing for system expansion and adaptation as electrical demands evolve. Its compatibility with other Siemens SENTRON components ensures a cohesive and reliable electrical distribution system. For facilities looking to embrace digital transformation, Siemens offers solutions that can integrate with industrial control systems and IIoT platforms, enabling enhanced monitoring, data analysis, and predictive maintenance capabilities, thereby maximizing operational efficiency and the overall lifecycle value of the installed electrical infrastructure.

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Frequently Asked Questions (FAQs)

1. What is the breaking capacity of the Siemens 5SY6180-7CC?

The Siemens 5SY6180-7CC offers a rated short-circuit breaking capacity of 6 kA according to EN 60898 at 230/400 V.

It also meets a higher standard with a breaking capacity of 15 kA according to IEC 60947-2 at 230/400 V.

This dual rating ensures reliable protection across various international standards.

2. Can the Siemens 5SY6180-7CC be used for motor protection?

Yes, the C-type tripping characteristic is suitable for circuits with inductive loads like motors.

It provides protection against overloads and short circuits for typical motor starting currents.

Always consult motor manufacturer guidelines for specific protection requirements.

3. What is the maximum wire size for the Siemens 5SY6180-7CC?

The circuit breaker accepts single-core and multi-core cables up to 35 mm².

For finely stranded cables with ferrule processing, the maximum is 25 mm².

Ensure proper termination and torque for secure connections.

4. How is the Siemens 5SY6180-7CC installed?

It is designed for tool-free mounting and removal from standard 35mm DIN rails.

Connection terminals allow for power supply connection from either the top or bottom.

Installation must be performed by a qualified electrician following local codes.

5. What does the 'C' in 5SY6180-7CC signify?

The 'C' indicates the tripping characteristic of the circuit breaker.

It means the breaker trips between 5 to 10 times the rated current for short circuits.

This characteristic is ideal for loads with moderate inrush currents.

6. What is the operating temperature range for this breaker?

The Siemens 5SY6180-7CC operates within a temperature range of -25 °C to +55 °C.

This range ensures reliable performance in various industrial environments.

Storage temperatures can be wider, from -40 °C to +75 °C.

7. Can I connect auxiliary devices to the Siemens 5SY6180-7CC?

Yes, the 5SY6 series supports the addition of auxiliary devices.

These can include remote operating mechanisms or auxiliary/fault signal contacts.

Verify specific accessory compatibility with your chosen model.

8. Is this a heavy-duty or standard miniature circuit breaker?

The product is specified as "heavy-duty" and "high-power," indicating enhanced robustness.

It is designed for demanding industrial applications with higher electrical loads.

Its specifications, like the 15kA breaking capacity, support its heavy-duty classification.

9. Where can I find the datasheet or manual for the 5SY6180-7CC?

Datasheets and manuals are typically available through the Siemens Industry Online Support portal.

You can also find product information and technical data on e-commerce platforms or manufacturer websites.

Searching the Siemens SiePortal or Industry Mall using the part number is recommended.

10. What is the typical shipping time for this product?

Shipping times vary significantly based on the seller and destination country.

Some international sellers quote 7-15 business days via standard postal services.

Expedited options like DHL or FedEx can reduce delivery to 4-7 days.