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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4208-7 |
| Alternative Part Number | 5SY42087 |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Operation Mechanism | Toggle |
| Number of Poles | 2 Poles |
| Rated Voltage | 400 V ac |
| Rated Short-Circuit Capacity | 10 kA |
| Rated Current | 8 A |
| Dimensions | 36 x 76 x 90 mm |
| Mounting | Quick assembly system |
| Tripping Characteristic | Class C |
| Ambient Temperature Range | -25 … +55 °C (operating), -40 … +75 °C (storage) |
| Insulation Voltage | Rated at 440 V for multi-phase operation with AC |
| Conductor Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely stranded: 0.75 … 25 mm² |
| Tightening Torque | 2.5 … 3 N·m (screw-type terminals) |
| Pollution Degree | 3 |
| Energy Loss | 1.6 W per pole in warm operating state |
| Mechanical Operating Cycles | Typically 20,000 |
| Overvoltage Category | 3 |
| Touch Protection | Yes |
| Halogen-Free | Yes |
| Sealable | Yes |
| Product Approvals | General Product Approval, EMC Declaration of Conformity, Test Certificates |
The Siemens 5SY4208-7 miniature circuit breaker is a robust and reliable solution designed to protect electrical circuits from overloads and short circuits, ensuring operational safety and efficiency. This two-pole breaker is rated for 400 V ac with a notable interrupting capacity of 10 kA, making it suitable for a wide range of industrial and commercial applications. With a current rating of 8 A and a tripping characteristic class C, it is well-suited for circuits with moderate inrush currents, such as those with small motors or resistive loads.
The compact dimensions of 36 x 76 x 90 mm allow for efficient use of space within electrical enclosures, while the quick assembly system facilitates easy installation and maintenance. The device's halogen-free construction and ability to operate across a wide temperature range from -25 °C to +55 °C make it a versatile choice for various operating environments. Additionally, the circuit breaker is designed to be sealable, providing an extra layer of security against unauthorized adjustments.
Engineered with precision and attention to detail, the Siemens 5SY4208-7 is a testament to quality and performance, offering a dependable circuit protection solution that meets the stringent standards expected in the electrical industry.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What type of device is this?
This is a miniature circuit breaker designed for protecting electrical circuits from overcurrents and short circuits.
What are the voltage and current specifications?
The circuit breaker operates at 400 V ac with a rated current of 8 A.
Can this circuit breaker be used in multi-phase systems?
Yes, it is suitable for multi-phase operation at its rated voltage.
What is the breaking capacity of this circuit breaker?
It has a breaking capacity of 10 kA according to EN 60898.
What are the dimensions of the circuit breaker?
The dimensions are 36 mm in width, 76 mm in depth, and 90 mm in height.
What is the tripping characteristic of this circuit breaker?
It has a 'C' tripping characteristic, which means it is designed to trip at a current range of 5 to 10 times its rated current, making it suitable for commercial and industrial applications with moderate inrush currents.
How is this circuit breaker mounted?
It is designed for quick assembly using a mounting system that allows for easy installation.
What is the mounting position for this circuit breaker?
It can be mounted in any position, providing flexibility in installation.
Is there a specific ambient temperature range for operating this circuit breaker?
The circuit breaker is designed to operate effectively within a certain ambient temperature range, typically up to a maximum of 75°C.
Does this circuit breaker have any certifications?
Yes, it comes with general product approvals and complies with international standards, including those set by IEC and EN.
