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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4350-5 |
| Alternative Part Number | 5SY43505 |
| 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 |
| Rated Current (AC) | 50 A |
| Tripping Characteristic Class | A |
| Supply Voltage (AC) | 400 V |
| Switching Capacity Current (IEC) | 15 kA |
| Switching Capacity Current (DC) | 15 kA |
| Breaking Capacity (EN 60898) | 10 kA |
| Breaking Capacity Short-Circuit (DC) | 10 kA |
| Ambient Operating Temperature | -40 °C to +70 °C |
| Ambient Storage Temperature | -40 °C to +75 °C |
| Mechanical Operating Cycles | 20,000 typical |
| Insulation Voltage | 440 V (with multi-phase operation AC) |
| Connectable Conductor Cross-Section | Solid: 0.75 – 35 mm², Stranded: 0.75 – 35 mm², Finely Stranded with Wire End: 0.75 – 25 mm² |
| Tightening Torque | 2.5 – 3 N·m |
| Halogen-Free | Yes |
| Sealable | Yes |
| Resistance to Shock | 150m/s² at 11ms half-sine |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| AWG Number | 14 – 4 |
| Number of Poles | 3 |
| Number of Pitch Units for Width | 3 |
| Product Feature | Silicon-free, halogen-free |
The Siemens 5SY4350-5 is a robust circuit breaker designed for industrial applications where reliable protection against overcurrent and short-circuit conditions is paramount. Engineered to meet the stringent standards of the industry, this three-pole breaker is rated for AC/DC operations, ensuring versatility across various electrical systems. With a rated current of 50A and a supply voltage rating of 400V for AC, it is equipped to handle significant electrical loads.
The device boasts a tripping characteristic class A, providing a rapid response to fault conditions, thereby safeguarding equipment and reducing downtime. Its switching capacity is impressive, with a rated value of 15kA according to IEC 60947-2 and 10kA in accordance with EN 60898, highlighting its capability to interrupt substantial fault currents effectively.
Installation is made straightforward with its quick assembly system, and the compact design, featuring a width of 54mm and a depth of 76mm, allows for efficient use of space within electrical enclosures. The circuit breaker's mechanical endurance is also noteworthy, with a typical operating time of 20,000 mechanical operating cycles, indicating a long service life.
The 5SY4350-5 is designed with safety in mind, offering touch protection and the ability to be sealed to prevent unauthorised adjustments. It is also halogen-free and silicon-free, aligning with environmental and health standards. The device can operate within a wide range of ambient temperatures, from -25°C to +55°C, making it suitable for challenging industrial environments.
This circuit breaker is an essential component for mechanical engineering and industrial sectors, providing reliable protection and maintaining the integrity of electrical systems. Its robust construction, combined with Siemens' commitment to quality, makes the 5SY4350-5 a prudent choice for safeguarding electrical installations.
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.
Read more...What payment methods do you accept?
We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.
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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Read more...Peace of mind with every purchase
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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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Frequently Asked Questions
What type of circuit breaker is this?
This is a 3-pole circuit breaker designed for quick assembly, suitable for AC/DC applications with a tripping characteristic class A.
Can this circuit breaker be used in any mounting position?
Yes, the circuit breaker can be installed in any position, providing flexibility in various applications.
What is the rated current for this circuit breaker?
The rated current for this circuit breaker is 50A.
What are the dimensions of this circuit breaker?
The dimensions are 90mm in height, 54mm in width, and 76mm in depth, with a mounting depth of 70mm.
What is the breaking capacity of this circuit breaker?
The breaking capacity is rated at 10kA according to EN 60898 and 15kA in accordance with IEC 60947-2 for both AC and DC.
Is this circuit breaker sealable for safety purposes?
Yes, it features a sealable design to prevent tampering and enhance safety.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker operates within an ambient temperature range of -25°C to +55°C and can be stored in temperatures ranging from -40°C to +75°C.
What is the insulation voltage rating for this circuit breaker?
The insulation voltage rating with multi-phase operation for AC is 440V.
Is the circuit breaker halogen-free?
Yes, it is halogen-free, making it suitable for environments where avoiding corrosive or toxic gas emissions is important.
How many mechanical operating cycles can this circuit breaker handle?
It is designed for typically 20,000 mechanical operating cycles as operating time.
What conductor cross-sections can be connected to this circuit breaker?
It can accommodate solid conductors from 0.75mm² to 35mm², stranded conductors from 0.75mm² to 35mm², and finely stranded conductors with wire end processing from 0.75mm² to 25mm².
Does this circuit breaker have any certifications or approvals?
Yes, it has general product approvals and conforms to standards such as EN 61346-2 and IEC 81346-2, among others.
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.
