Siemens 5SY6213-8CC Motor Protection Circuit Breaker 2P 13A
The Siemens 5SY6213-8CC is a robust 2-pole, 13A Miniature Circuit Breaker (MCB) designed for reliable motor protection. Its key advantages lie in its precise tripping characteristics, high breaking capacity, and compact design, ensuring efficient and safe operation of electric motors in various industrial settings. This MCB offers essential protection against overloads and short circuits, directly contributing to reduced downtime and extended equipment lifespan.
Product Specifications
| Specification | Value |
| :---------------------- | :--------------------------------------------- |
| Manufacturer | Siemens |
| Series | SENTRON |
| Product Number | 5SY6213-8CC |
| Type | Miniature Circuit Breaker |
| Number of Poles | 2 |
| Rated Current | 13 A |
| Tripping Characteristic | D |
| Rated Voltage (AC) | 400 V |
| Breaking Capacity (Icn) | 6 kA (according to EN 60898) |
| Mounting Depth | 70 mm |
| Width | 36 mm |
| Height | 90 mm |
| Depth | 76 mm (approx.) |
| Protection Class | IP20 (with connected conductors) |
| Insulation Voltage (Ui) | 440 V |
| Connection Type | Screw Terminals |
| Conductor Cross-Section | 0.75 mm² - 35 mm² (solid), 0.75 mm² - 25 mm² (finely stranded with wire end processing) |
| Tightening Torque | 2.5 - 3.5 N·m |
| Ambient Temperature | -25 °C to +55 °C |
Core Features & Market Positioning
The Siemens 5SY6213-8CC stands out in the competitive landscape of industrial protection devices due to its specialized "D" tripping characteristic. This curve is specifically tailored for inductive loads, such as motors, providing a higher inrush current capability than typical "B" or "C" curves, thus preventing nuisance tripping during motor startup. This feature, combined with a breaking capacity of 6 kA, positions the 5SY6213-8CC as a highly reliable and cost-effective solution for safeguarding motors from electrical faults. Its integration into the broader Siemens SENTRON series ensures compatibility with a wide range of related products, enhancing its value proposition for system integrators and maintenance professionals.
Key Application Scenarios
This circuit breaker is optimally suited for protecting individual electric motors across a spectrum of industrial machinery. Common applications include pumps, fans, compressors, conveyors, and machine tools where precise motor control and protection are paramount. Its 2-pole configuration is ideal for single-phase circuits or specific two-wire DC applications requiring overcurrent and short-circuit protection. Electricians and control panel builders commonly specify the 5SY6213-8CC for new installations and retrofits in manufacturing plants, workshops, and building automation systems.
Practical System Integration Guidance
Installing the Siemens 5SY6213-8CC is straightforward due to its standard modular width (2 modules) and compatibility with DIN rail mounting systems. For optimal performance and safety, ensure the breaker is isolated from the power supply before wiring. Connect the line conductor to terminal L1 and the load conductor to terminal L2. The recommended tightening torque for the screw terminals is between 2.5 and 3.5 N·m, using solid or stranded conductors ranging from 0.75 mm² to 35 mm². Supplementary devices, such as auxiliary switches or remote signaling modules, can be easily attached to the side of the MCB, expanding its functionality for monitoring and control purposes.
Operation and Risk Mitigation
The primary function of the 5SY6213-8CC is to automatically interrupt the circuit when a fault condition, such as an overload or short circuit, is detected, thereby preventing damage to the motor and associated wiring. The "D" curve provides a delay for high inrush currents, specific to motor starting. To mitigate risks, ensure proper sizing of the breaker for the specific motor's full-load current and starting characteristics. Regular visual inspections for damage and proper operation of the trip mechanism are recommended. Avoid operating the breaker with faulty wiring or attempting to reset it repeatedly after a trip without investigating the cause.
Scalability & Long-Term Value
As part of the Siemens SENTRON family, the 5SY6213-8CC offers excellent scalability and long-term value. It is designed to integrate seamlessly with other Siemens low-voltage components, including contactors, overload relays, and power distribution blocks, forming a comprehensive protection and control system. While this specific model is a standalone MCB, its compatibility with accessory modules for signaling and remote operation enhances its potential for integration into more advanced control architectures, including those aspiring towards Industrial Internet of Things (IIoT) solutions, through compatible gateways or automation systems.
Frequently Asked Questions (FAQs)
What is the tripping characteristic of the Siemens 5SY6213-8CC?
The Siemens 5SY6213-8CC features a Type D tripping characteristic. This curve is designed for applications with high inrush currents, commonly found in motors and transformers. It allows for higher temporary overcurrents without tripping compared to Type B or C. This makes it ideal for motor protection where starting current can be significantly higher than the running current.
What is the breaking capacity of this circuit breaker?
This MCB has a breaking capacity of 6 kA according to EN 60898. It also boasts a 15 kA breaking capacity according to IEC 60947-2. This high breaking capacity ensures it can safely interrupt fault currents, protecting equipment and personnel. It is suitable for use in most residential and industrial distribution systems.
Can the Siemens 5SY6213-8CC be used for DC applications?
While primarily designed for AC systems, the 5SY6213-8CC can be used for DC applications with a rated DC voltage of up to 60V per pole. The breaking capacity in DC is rated at 15 kA according to IEC 60947-2. Always consult the specific application requirements and local codes for DC circuit protection.
What conductor sizes can be connected to the Siemens 5SY6213-8CC?
The breaker accepts solid conductors from 0.75 mm² up to 35 mm². For finely stranded conductors with wire end processing, the range is 0.75 mm² to 25 mm². Ensure proper stripping and termination for a secure connection.
Is this circuit breaker sealable?
Yes, the Siemens 5SY6213-8CC is designed to be sealable. This feature is important in applications where unauthorized tampering with the breaker settings or operation needs to be prevented. It allows for securing the breaker in its operational state.
What are the dimensions of the 5SY6213-8CC?
The circuit breaker has a width of 36 mm and a height of 90 mm. Its depth is approximately 76 mm, and it occupies two modular units on a standard DIN rail. This compact size facilitates installation in space-constrained electrical panels.
Does this MCB have touch protection?
Yes, the 5SY6213-8CC provides touch protection. This ensures that live terminals are inaccessible to accidental contact when properly installed with connected conductors. This is a standard safety feature for modern circuit breakers.
What is the mechanical service life of this product?
The typical mechanical service life of this circuit breaker is 10,000 operating cycles. This indicates the number of times the breaker can be manually operated without developing a mechanical fault. Proper electrical operation is separate from mechanical endurance.
Can auxiliary devices be installed with the 5SY6213-8CC?
Yes, supplementary devices can be installed with this MCB. These can include auxiliary switches for signaling, shunt trips for remote tripping, or undervoltage releases. These accessories expand the breaker's functionality for monitoring and control.
What is the recommended tightening torque for the terminals?
The recommended tightening torque for the screw terminals is between 2.5 N·m and 3.5 N·m. Applying the correct torque ensures a secure electrical connection, preventing overheating and potential failures. Use a calibrated torque screwdriver for accuracy.
