Siemens 5SN6216-8CN High Breaking Capacity MCB for Small Equipment 2P 16A

The Siemens 5SN6216-8CN is a high-performance Miniature Circuit Breaker (MCB) designed for robust protection of electrical circuits in small equipment applications. Featuring a 2-pole configuration and a 16A rating, this MCB offers a substantial breaking capacity crucial for safeguarding against severe short-circuit events. Its advanced design ensures rapid and reliable tripping, minimizing downtime and preventing damage to connected devices. Engineered for durability and ease of integration, the Siemens 5SN6216-8CN is a vital component for electrical safety in residential, commercial, and light industrial settings, providing peace of mind through consistent and effective circuit protection.

Product Specifications

| Parameter           | Specification                               |

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

| Product Type        | Miniature Circuit Breaker (MCB)             |

| Poles               | 2                                           |

| Current Rating      | 16A                                         |

| Voltage Rating      | 400V                                        |

| Breaking Capacity   | High (specific kA rating not detailed in search results) |

| Series              | 5SN6 (implied from product number)          |

| Country of Origin   | China                                       |

| RoHS Compliance     | Yes (since 2013)                            |

| ETIM Classification | EC000042 (Version 10)                       |

| eClass Classification | 27-14-19-01 (Version 14)                    |

Core Features & Market Positioning

The Siemens 5SN6216-8CN stands out due to its high breaking capacity, a critical differentiator for applications requiring superior protection against fault currents. This MCB is part of Siemens' robust SENTRON portfolio, known for its reliability and integration capabilities within comprehensive electrical protection concepts for industrial and infrastructure applications. Its design prioritizes safety and operational efficiency, offering precise overload and short-circuit protection. The compact form factor also makes it suitable for space-constrained electrical panels. Siemens positions these MCBs as fundamental components for end-to-end protection strategies, especially relevant given the increasing number of electrical consumers and the growing demands on electrical systems.

Key Application Scenarios

This Siemens 5SN6216-8CN MCB is ideally suited for protecting electrical circuits in small equipment and installations where reliable overcurrent protection is paramount. Common application areas include residential wiring, commercial buildings, and light industrial facilities. It serves as a crucial element in preventing damage from overloads and short circuits, thereby extending the lifespan of electrical devices and systems. The 2-pole design is often used for single-phase circuits requiring neutral and phase line protection. Its high breaking capacity makes it suitable for environments where fault currents might be higher than in standard residential settings.

Practical System Integration Guidance

Integrating the Siemens 5SN6216-8CN into existing electrical systems is designed to be straightforward. As part of the SENTRON portfolio, it benefits from uniform additional components and a consistent design, simplifying installation and connection processes. While specific wiring diagrams are not provided, MCBs of this type are typically installed on a DIN rail within electrical distribution boards. The 2-pole configuration necessitates connecting both the line and neutral conductors to the respective terminals. For optimal safety and performance, it is recommended to adhere to local electrical codes and standards during installation. While the search results highlight optional accessories like remote operating mechanisms (e.g., 5ST3073-0MC, 5ST3062-0MC) and auxiliary switches, their specific compatibility with the 5SN6216-8CN would need to be verified against detailed Siemens documentation if advanced control or signaling is required.

Operation and Risk Mitigation

The primary function of the Siemens 5SN6216-8CN is to automatically interrupt the electrical circuit when an overcurrent condition (overload or short circuit) is detected, thereby preventing damage to wiring and equipment and mitigating fire hazards. Its operation relies on a bimetallic strip for overload detection and an electromagnet for short-circuit detection, ensuring rapid response. Risk mitigation is inherent in its design, but proper usage is crucial. Incorrectly sized MCBs or bypassing the device can lead to system failures and safety hazards. The product is RoHS compliant, indicating a commitment to environmental substance restrictions. While specific troubleshooting codes are not detailed, common issues with MCBs typically involve nuisance tripping due to incorrect sizing or sustained minor overloads, or failure to trip due to severe damage or internal faults.

Scalability & Long-Term Value

Siemens MCBs, including the 5SN6216-8CN, are designed for long-term value and can be part of scalable electrical infrastructure. The SENTRON portfolio emphasizes consistent design and uniform additional components, which facilitates system expansion and upgrades. While this specific model is an "Active Product", Siemens' commitment to product lifecycle management suggests compatibility with current and future system components. For enhanced functionality, Siemens offers various accessories that can be added to MCBs, such as remote operating mechanisms and auxiliary contacts, allowing for integration into more sophisticated control and monitoring systems, potentially including IIoT solutions through compatible gateways or communication modules.

Frequently Asked Questions (FAQs)

Q1: What is the breaking capacity of the Siemens 5SN6216-8CN?

The Siemens 5SN6216-8CN features a high breaking capacity. This is essential for safely interrupting fault currents and protecting the electrical system. It ensures reliable operation even under severe short-circuit conditions.

Q2: What applications is the Siemens 5SN6216-8CN suitable for?

This MCB is ideal for small equipment and electrical installations. It is commonly used in residential, commercial, and light industrial environments. It provides essential protection for wiring and connected devices.

Q3: Can the Siemens 5SN6216-8CN be used for single-phase circuits?

Yes, the 2-pole configuration of the 5SN6216-8CN is suitable for single-phase circuits. It allows for the simultaneous protection of both the phase and neutral conductors. This ensures comprehensive circuit safety.

Q4: What are the main advantages of using Siemens MCBs like the 5SN6216-8CN?

Key advantages include high breaking capacity for robust protection. They offer reliable overload and short-circuit tripping. Ease of installation and integration within the SENTRON system is also a significant benefit.

Q5: Is the Siemens 5SN6216-8CN compliant with environmental regulations?

Yes, this MCB is compliant with the RoHS directive. This means it adheres to substance restrictions for hazardous materials. It has been compliant since 2013.

Q6: How does the Siemens 5SN6216-8CN protect against overloads?

It uses a thermal tripping mechanism. A bimetallic strip heats up and bends under sustained overcurrent. This action triggers the release mechanism to open the circuit.

Q7: How does the Siemens 5SN6216-8CN protect against short circuits?

It employs a magnetic tripping mechanism. A high current surge, characteristic of a short circuit, generates a strong magnetic field. This field instantly trips the breaker.

Q8: What accessories are compatible with the Siemens 5SN6216-8CN?

Siemens offers optional accessories like remote operating mechanisms and auxiliary switches. These can expand its functionality for control and signaling. Specific compatibility should be verified with Siemens documentation.

Q9: What is the voltage and current rating of this MCB?

The Siemens 5SN6216-8CN has a voltage rating of 400V. Its current rating is 16A. These specifications define its operational limits.

Q10: Where is the Siemens 5SN6216-8CN manufactured?

The country of origin for this Siemens MCB is China. This information is part of its commercial data. It indicates the global manufacturing base for such components.