Siemens 5SY6210-8CC Motor Protection Circuit Breaker 2P 10A

The Siemens 5SY6210-8CC is a 2-pole, 10A motor protection circuit breaker designed for robust electrical system safeguarding. This advanced device offers superior protection against overloads and short circuits, crucial for maintaining the operational integrity and longevity of electric motors. Its key advantages include precise tripping characteristics, high breaking capacity, and reliable performance in demanding industrial environments. The 5SY6210-8CC exemplifies Siemens' commitment to delivering efficient, safe, and dependable electrical components for a wide array of industrial applications.

Siemens 5SY6210-8CC: Product Specifications

| Feature             | Specification                                  |

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

| Product Type        | Motor Protection Circuit Breaker               |

| Pole Configuration  | 2-Pole                                         |

| Rated Current (In)  | 10A                                            |

| Tripping Curve      | Typically Class 10 (for motor protection)      |

| Breaking Capacity   | High (specific kA rating often varies by model) |

| Voltage Rating      | Standard industrial voltages (e.g., 400/415V) |

| Mounting Type       | DIN rail                                       |

| Protection Features | Overload, Short Circuit                        |

| Protection Class    | IP20 (finger-safe)                             |

| Standards           | IEC 60947-2, IEC 60947-4-1                       |

Core Features & Market Positioning

The Siemens 5SY6210-8CC distinguishes itself through its precise thermal-overload and electromagnetic short-circuit releases, ensuring sensitive and reliable motor protection. This breaker is engineered to provide rapid fault clearing, minimizing downtime and preventing damage to connected machinery. Its robust construction and adherence to international standards like IEC 60947-2 and IEC 60947-4-1 position it as a high-quality, dependable solution for industrial power distribution and motor control circuits. Compared to simpler circuit breakers, motor protection circuit breakers like the 5SY6210-8CC offer a more integrated and specialized solution for safeguarding motor loads, often incorporating adjustable trip settings for optimized protection.

Key Application Scenarios

This motor protection circuit breaker is ideally suited for safeguarding electric motors in various industrial sectors, including manufacturing, automation, and processing plants. Common applications involve protecting pumps, fans, conveyors, machine tools, and compressors. The 2-pole, 10A configuration makes it particularly effective for single-phase motor protection or for circuits where specific phase isolation is required. Users frequently search for solutions to protect motors from thermal stress due to prolonged overcurrent or sudden short circuits, which this Siemens device directly addresses. Its reliable operation is critical in scenarios where consistent production flow depends on uninterrupted motor function.

Practical System Integration Guidance

Integrating the Siemens 5SY6210-8CC into existing control panels is straightforward due to its standard DIN rail mounting and compact 2-pole design. Ensure the power supply and load wiring are correctly terminated to the respective terminals, observing proper torque specifications to prevent loose connections. The breaker typically features clearly marked input and output terminals. For effective motor protection, it's crucial to set the overload trip current to a value appropriate for the motor's full-load ampere (FLA) rating, often within 115% to 125% of the FLA, depending on the specific motor and application, with the short-circuit trip set to a higher, non-operational value to avoid nuisance tripping during motor start-up. Always consult the motor's nameplate and the circuit breaker's manual for precise setup guidelines.

Operation and Risk Mitigation

The Siemens 5SY6210-8CC operates by monitoring the current flowing through its internal elements. A bimetallic strip detects sustained overcurrents (thermal overload), causing it to bend and trip the breaker. An electromagnetic coil detects sudden, high-magnitude fault currents (short circuits), triggering an immediate trip. Proper installation and adherence to recommended settings are paramount for risk mitigation, preventing both nuisance tripping and inadequate protection. Understanding the trip class (e.g., Class 10 for this type of breaker) is essential, as it defines the time within which the breaker will trip under specific overload conditions. Regular visual inspection for any signs of damage or overheating, and periodic testing of its tripping function, can further enhance operational safety and reliability.

Scalability & Long-Term Value

The 5SY6210-8CC, as part of the broader Siemens Sentron protection device portfolio, offers significant long-term value through its compatibility with other Siemens components and systems. While this specific model is a standalone circuit breaker, its robust design ensures longevity and reliable performance, minimizing replacement needs. For enhanced system integration, Siemens offers associated products like auxiliary switches and remote tripping units that can be added to provide monitoring and control capabilities. This allows for seamless integration into larger automation architectures or industrial control systems, supporting potential future upgrades to more advanced monitoring or IIoT-enabled solutions.

Frequently Asked Questions (FAQs)

1. What is the primary function of a Siemens 5SY6210-8CC circuit breaker?

The Siemens 5SY6210-8CC acts as a dedicated motor protector. It safeguards electric motors from damage caused by electrical faults.

This breaker specifically addresses both overload and short-circuit conditions. Its intelligent design prevents equipment failure and costly downtime.

By precisely monitoring current, it ensures motor longevity and operational reliability in industrial settings.

2. How do I set the overload trip current for the 5SY6210-8CC?

Setting the overload trip involves adjusting a specific dial or mechanism. Refer to the breaker's manual for exact instructions.

Typically, you set it to a percentage of the motor's full-load ampere (FLA) rating. Common values are between 115% and 125%.

Accurate FLA data from the motor nameplate is crucial for correct and effective protection.

3. Can the 5SY6210-8CC be used for general circuit protection?

While it offers overload and short-circuit protection, it's optimized for motor loads. Its tripping characteristics are tailored for motor start-up current.

For general circuit protection, standard miniature circuit breakers (MCBs) with different tripping curves are usually recommended.

Using a motor protection breaker for non-motor loads might lead to suboptimal protection or nuisance tripping.

4. What are the main advantages of using a Siemens motor protection circuit breaker?

Siemens breakers offer high reliability and precise tripping accuracy. They are built for demanding industrial environments.

These devices provide integrated overload and short-circuit protection, simplifying installation. They also often feature adjustable settings.

The brand's reputation for quality ensures long-term performance and reduced maintenance needs.

5. What is the breaking capacity of the Siemens 5SY6210-8CC?

The exact breaking capacity (in kA) depends on the specific variant or series. Consult the product datasheet for precise figures.

This rating indicates the maximum fault current the breaker can safely interrupt. It's a critical safety parameter.

Higher breaking capacity ensures protection even in high-fault current industrial power systems.

6. How does the 5SY6210-8CC protect against short circuits?

It uses an electromagnetic release mechanism for short-circuit detection. This reacts instantly to high fault currents.

When a short circuit occurs, the magnetic field generated trips the breaker very rapidly. This minimizes damage to the motor and wiring.

The short-circuit trip setting is typically higher than the overload setting to avoid premature tripping during normal motor startup.

7. What is the typical trip class for this type of breaker?

Motor protection circuit breakers like the 5SY6210-8CC are commonly designed with a Class 10 trip rating. This means they will trip within 10 seconds under a specific overload condition.

The trip class determines how quickly the breaker responds to sustained overloads. Class 10 is suitable for most standard industrial motors.

Other classes exist (e.g., Class 5, Class 20), offering faster or slower tripping responses for specialized applications.

8. Can auxiliary contacts be added to the 5SY6210-8CC?

Yes, many Siemens motor protection circuit breakers support the addition of auxiliary contacts. These are typically side-mounted modules.

Auxiliary contacts allow for remote signaling of the breaker's status (e.g., tripped, on, off). This is useful for automation systems.

These contacts can be wired into control circuits, PLCs, or alarm systems for enhanced monitoring.

9. What are the physical dimensions and mounting requirements?

The 5SY6210-8CC is designed for standard 35mm DIN rail mounting. This is a common standard in electrical enclosures.

Its compact 2-pole design ensures efficient use of space within control panels. Specific dimensions are detailed in the product documentation.

Ensure adequate clearance around the breaker for ventilation and safe operation as per installation guidelines.

10. Where can I find the official datasheet or manual for the 5SY6210-8CC?

The official datasheet and installation manual are available on the Siemens Industry Online Support (SIOS) portal. You can also often find them on authorized Siemens distributor websites.

Searching for "Siemens 5SY6210-8CC datasheet" or "Siemens 5SY6210-8CC manual" online will lead you to these resources. Always use the official documentation for accurate technical details.

The manual provides comprehensive information on installation, operation, technical data, and troubleshooting.