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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4363-7 |
| Alternative Part Number | 5SY43637 |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Operation Mechanism | Toggle |
| Number of Poles | 3 Poles |
| Voltage Rating | 400 V ac |
| Interrupt Rating | 10 kA |
| Current Rating | 63 A |
| Dimensions | 54 x 76 x 90 mm |
| Pollution Degree | 3 |
| Ambient Temperature Range | -25 … +55 °C (operating), -40 … +75 °C (storage) |
| Mounting Position | Any |
| Mechanical Operating Cycles | Typical 20,000 cycles |
| Overvoltage Category | 3 |
| Touch Protection | Yes |
| Shock Resistance | 150m/s² at 11ms half-sine (according to IEC 60068-2-27) |
| Insulation Voltage | Rated value 440 V ac (with multi-phase operation) |
| Wire Connection | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely stranded with wire end processing: 0.75 … 25 mm² |
| Terminal Type | Combined terminal top and bottom |
| Tightening Torque | 2.5 … 3 N·m (screw-type terminals), 22 … 26 lbf·in (screw connection) |
| Product Features | Sealable, silicon-free, halogen-free |
| Environmental Testing | 6 test cycles (in accordance with IEC 60068-2-30) |
| Designation | According to DIN EN 61346-2 F |
| Commodity Code | 853620 |
The Siemens 5SY4363-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for use in commercial and industrial environments, this three-pole breaker is rated for 400 V ac and can handle a short-circuit breaking capacity of 10 kA, ensuring a high level of safety and performance. With a current rating of 63 A, it is well-suited for systems with higher power demands.
The compact dimensions of 54 x 76 x 90 mm make it an excellent choice for installations where space is at a premium, without compromising on protection capabilities. The device features a toggle switch for easy operation and a quick assembly system for efficient installation. It is designed to be sealable, halogen-free, and silicon-free, meeting stringent environmental standards and ensuring it is a sustainable choice for modern electrical setups.
The 5SY4363-7 is characterised by its C tripping curve, making it ideal for protecting circuits with moderate inrush currents, such as lighting circuits and general power distribution. Its mechanical and electrical endurance is tested rigorously to provide a reliable solution that maintains circuit integrity under challenging conditions.
This miniature circuit breaker is a testament to Siemens' commitment to quality, safety, and innovation, offering a dependable solution for protecting electrical circuits against overload and short-circuit conditions.
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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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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Frequently Asked Questions
What type of device is this?
This is a miniature circuit breaker designed to protect electrical circuits from damage caused by overcurrent or short circuit.
What are the electrical specifications of this circuit breaker?
The circuit breaker is rated for 400 V ac with a 10 kA interrupting capacity and a 63 A current rating.
How many poles does this circuit breaker have?
It is a 3-pole circuit breaker, suitable for three-phase applications.
Can this circuit breaker be used as a main switch in accordance with EN 60204-1?
Yes, this product has properties that make it suitable for use as a main switch in accordance with EN 60204-1.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -25°C to +55°C.
Is this circuit breaker sealable?
Yes, the circuit breaker features a sealable design for added security.
What is the degree of pollution for this circuit breaker?
The circuit breaker has a degree of pollution rating of 3.
What is the insulation voltage rating for this circuit breaker?
The insulation voltage rating with multi-phase operation and AC is 440 V.
Is the circuit breaker halogen-free?
Yes, it is halogen-free, making it suitable for environments where avoiding halogenated compounds is important.
What is the mechanical operating life of this circuit breaker?
The mechanical operating life of the circuit breaker is typically 20,000 cycles.
What type of terminals does this circuit breaker have?
It comes with combined terminals at both the top and bottom for flexible installation options.
What is the tightening torque for the screw-type terminals?
The tightening torque for the screw-type terminals is between 2.5 and 3 N·m.
Does this circuit breaker provide touch protection?
Yes, it is equipped with touch-protection features to enhance safety during use.
What is the resistance against shock for this circuit breaker?
The circuit breaker can withstand shocks according to IEC 60068-2-27 with a resistance of 150m/s² at an 11ms half-sine.
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.
