steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
1 month ago
5SY4263-7
Siemens 5SY4263-7 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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2. Dedicated Account Manager
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3. Your quote
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 5SY4263-7 is a high-performance miniature circuit breaker designed for reliable electrical protection in various industrial applications. This 2-pole circuit breaker operates at a rated voltage of 400 V and offers a breaking capacity of 10 kA, making it suitable for handling significant electrical loads. With a tripping characteristic class of C, it is ideal for protecting circuits with moderate inrush currents, such as those found in lighting and general power distribution systems.
The 5SY4263-7 features a compact design with dimensions of 90 mm in height, 36 mm in width, and 76 mm in depth, allowing for easy integration into existing electrical panels. Its quick assembly system ensures straightforward installation, while the sealable and halogen-free construction enhances safety and environmental compliance. The circuit breaker is designed to withstand a wide range of operating temperatures, from -40 °C to 70 °C, and offers robust mechanical durability with a typical service life of 20,000 operating cycles.
Engineered to meet international standards, including IEC 60898-1 and IEC 60947-2, the Siemens 5SY4263-7 provides dependable circuit protection and is a trusted choice for professionals in the electrical and automation industries.
The 5SY4263-7 features a compact design with dimensions of 90 mm in height, 36 mm in width, and 76 mm in depth, allowing for easy integration into existing electrical panels. Its quick assembly system ensures straightforward installation, while the sealable and halogen-free construction enhances safety and environmental compliance. The circuit breaker is designed to withstand a wide range of operating temperatures, from -40 °C to 70 °C, and offers robust mechanical durability with a typical service life of 20,000 operating cycles.
Engineered to meet international standards, including IEC 60898-1 and IEC 60947-2, the Siemens 5SY4263-7 provides dependable circuit protection and is a trusted choice for professionals in the electrical and automation industries.
| Specification | Description |
|---|---|
| Part Number | 5SY4263-7 |
| Manufacturer | Siemens |
| Category | Miniature Circuit Breaker |
| Rated Voltage | 400 V |
| Rated Current | 63 A |
| Number of Poles | 2 |
| Tripping Characteristic | C |
| Breaking Capacity | 10 kA |
| Mounting Type | Quick assembly system |
| Dimensions (H x W x D) | 90 mm x 36 mm x 76 mm |
| Installation Depth | 70 mm |
| Ambient Temperature Range | -25°C to +55°C |
| Storage Temperature Range | -40°C to +75°C |
| Degree of Protection | Touch protection |
| Pollution Degree | 3 |
| Overvoltage Category | 3 |
| Mechanical Durability | 20,000 operating cycles |
| Conductor Cross-Section | 0.75 mm² to 35 mm² (solid and stranded) |
| Tightening Torque | 2.5 to 3 N·m |
| Halogen-Free | Yes |
| Silicon-Free | Yes |
| Sealable | Yes |
| Standards Compliance | IEC 60898-1, IEC 60947-2, UL 1077 |
| Product Feature | Suitable for use as a main switch in accordance with EN 60204-1 |
| Vibration Resistance | According to IEC 60068-2-6, ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
| Environmental Testing | 6 test cycles according to IEC 60068-2-30 |
| Net Weight | 347 g |
The Siemens 5SY4263-7 is a robust and reliable miniature circuit breaker designed for efficient protection in electrical systems. With a rated voltage of 400 V and a current rating of 63 A, this 2-pole breaker is ideal for various industrial applications. It features a C tripping characteristic and a breaking capacity of 10 kA, ensuring effective circuit interruption. The breaker is designed for quick assembly and can be mounted in any position, offering flexibility in installation. It is compliant with international standards, including IEC 60898-1 and IEC 60947-2, and is suitable for use as a main switch. The device is halogen-free, silicon-free, and provides touch protection, making it a safe and environmentally friendly choice for your electrical needs.
What is the primary function of this miniature circuit breaker?
The primary function of this miniature circuit breaker is to protect electrical circuits from damage caused by overcurrent or short circuits by interrupting the flow of electricity when a fault is detected.
What is the rated current capacity of this circuit breaker?
This circuit breaker has a rated current capacity of 63 A, making it suitable for various industrial and commercial applications.
What is the breaking capacity of this circuit breaker?
The Siemens 5SY4263-7 circuit breaker has a breaking capacity of 10 kA according to EN 60898, ensuring reliable performance in the event of a short circuit.
Can this circuit breaker be used in both AC and DC applications?
Yes, this circuit breaker is designed for use in both AC and DC applications, providing versatility for different electrical systems.
What are the dimensions of this circuit breaker?
The dimensions of this circuit breaker are 90 mm in height, 36 mm in width, and 76 mm in depth, with a mounting depth of 70 mm.
Is this circuit breaker suitable for use in harsh environmental conditions?
Yes, this circuit breaker is designed to operate in ambient temperatures ranging from -40 °C to 70 °C, making it suitable for use in a variety of environmental conditions.
What type of mounting system does this circuit breaker use?
This circuit breaker uses a quick assembly system for easy and efficient installation in electrical panels.
Does this circuit breaker provide touch protection?
Yes, the Siemens 5SY4263-7 circuit breaker is equipped with touch protection to enhance safety during operation and maintenance.
What is the degree of pollution for this circuit breaker?
This circuit breaker is rated for a degree of pollution 3, which means it is suitable for environments with conductive pollution or dry non-conductive pollution that becomes conductive due to condensation.
Is this circuit breaker halogen-free?
Yes, the Siemens 5SY4263-7 circuit breaker is halogen-free, making it an environmentally friendly choice for electrical installations.
- Protection of electrical circuits in residential, commercial, and industrial buildings.
- Safeguarding machinery and equipment from overloads and short circuits.
- Ensuring reliable operation in mechanical engineering applications.
- Use in control panels and distribution boards for circuit protection.
- Integration into automation systems for enhanced safety and performance.
- Application in renewable energy systems to protect electrical components.
- Utilization in HVAC systems to prevent electrical faults.
- Deployment in lighting circuits to ensure consistent operation.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
3 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
3 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
3 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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