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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY7306-7 |
| Alternative Part Number | 5SY73067 |
| Manufacturer | Siemens |
| Type of Mounting | Quick assembly system |
| Type of Voltage | AC/DC |
| Height | 90 mm |
| Width | 54 mm |
| Depth | 76 mm |
| Mounting Position | Any |
| Mounting Depth | 70 mm |
| Current (AC Rated Value) | 6 A |
| Tripping Characteristic Class | C |
| Supply Voltage (AC Rated Value) | 400 V |
| Switching Capacity Current | IEC 60947-2 rated value: 40 kA, EN 60898 rated value: 15 kA, DC IEC 60947-2 rated value: 15 kA |
| Breaking Capacity Short-Circuit Current (Icn) | 15 kA (DC EN 60898-2) |
| Protection Class IP | IP20, with connected conductors |
| Energy Limiting Class | 3 |
| Ambient Temperature | -25 … +55 °C (operating), -40 … +75 °C (storage) |
| Number of Poles | 3 |
| Mechanical Operating Cycles | Typical 20,000 |
| Overvoltage Category | III |
| Degree of Pollution | 3 |
| Insulation Voltage | 440 V (with multi-phase operation at AC) |
| Connectable Conductor Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely Stranded with Wire End Processing: 0.75 … 25 mm² |
| Tightening Torque | 2.5 … 3 N·m (with screw-type terminals) |
| Product Features | Halogen-free, Sealable, Silicon-free |
| Suitability for Operation | Mechanical engineering / industry |
The Siemens 5SY7306-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for performance, this 3-pole breaker features a C tripping characteristic, ensuring a quick response to short-circuit conditions and overloads, safeguarding equipment and preventing electrical hazards.
With a rated current of 6A and a supply voltage rating of 400V for AC systems, the 5SY7306-7 is capable of handling a switching capacity current of up to 40kA according to IEC 60947-2 standards, and 15kA in DC applications as per the same standard. This high breaking capacity makes it suitable for industrial and commercial settings where reliable circuit protection is paramount.
The device's compact design, with a width of only 54mm and a depth of 76mm, allows for efficient use of space inside electrical enclosures. The quick assembly system facilitates easy installation, while the ability to mount in any position offers flexibility in system design.
Constructed with safety in mind, the 5SY7306-7 is equipped with touch protection and is both halogen-free and silicon-free, contributing to a safer working environment. It also features a mechanical service life of typically 10,000 switching cycles, ensuring longevity and reducing maintenance needs.
This miniature circuit breaker is a testament to Siemens' commitment to quality, offering a combination of protection, durability, and ease of use that makes it a valuable component in electrical protection systems.
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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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What type of miniature circuit breaker is this?
This is a 3-pole miniature circuit breaker with a C tripping characteristic, designed for a 400 V supply voltage and a 6 A operating current.
Can this circuit breaker be used in industrial applications?
Yes, the miniature circuit breaker is suitable for operation in mechanical engineering and industrial environments.
What is the breaking capacity of this circuit breaker?
The breaking capacity of the circuit breaker is rated at 15 kA according to IEC 60947-2 and EN 60898 standards.
Is the circuit breaker halogen-free?
Yes, the circuit breaker is halogen-free, making it suitable for use in environments where reducing the risk of corrosive or toxic gas emission is important.
What is the mechanical service life of the circuit breaker?
The mechanical service life of the circuit breaker is typically 10,000 switching cycles.
What are the dimensions of the circuit breaker?
The circuit breaker has a height of 90 mm, a width of 54 mm, and a depth of 76 mm, with a mounting depth of 70 mm.
Can the circuit breaker be used with a DC supply voltage?
Yes, the circuit breaker can be used with a DC supply voltage, with a maximum rated operating voltage of 72 V.
What is the ambient temperature range for the operation of this circuit breaker?
The ambient temperature range for operation is from -25°C to +55°C, and for storage, it is from -40°C to +75°C.
Is the circuit breaker touch-protected?
Yes, the circuit breaker features touch protection to enhance safety during operation.
What is the insulation voltage rating of the circuit breaker?
The insulation voltage rating with multi-phase operation at AC is 440 V.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
