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
3 weeks ago
5SY4350-7
Siemens 5SY4350-7 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
All orders are subject to product availability. See our T&Cs.
Ask our team
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 5SY4350-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for quick assembly, this three-pole breaker is suitable for both AC and DC systems, with a rated AC voltage of 400 V and a rated current of 50 A. Its compact dimensions, 54 x 76 x 90 mm, allow for efficient use of space inside electrical enclosures.
Featuring a C tripping characteristic, the 5SY4350-7 ensures a precise response to overloads and short-circuit conditions, safeguarding equipment and reducing downtime. The breaker boasts a high switching capacity of 10 kA according to EN 60898 standards, and 15 kA in accordance with IEC 60947-2, highlighting its capability to handle challenging industrial environments.
The unit is designed for versatility, with a mounting position that can be adjusted to suit various installation requirements. It also offers touch protection and can be sealed for added security against unauthorised adjustments. The 5SY4350-7 is constructed to withstand a wide range of ambient temperatures, from -25°C to +55°C, ensuring consistent performance in diverse operating conditions.
This miniature circuit breaker is a testament to Siemens' commitment to quality, reliability, and innovation, making it an essential component for electrical safety and circuit management in industrial settings across the United Kingdom and beyond.
Featuring a C tripping characteristic, the 5SY4350-7 ensures a precise response to overloads and short-circuit conditions, safeguarding equipment and reducing downtime. The breaker boasts a high switching capacity of 10 kA according to EN 60898 standards, and 15 kA in accordance with IEC 60947-2, highlighting its capability to handle challenging industrial environments.
The unit is designed for versatility, with a mounting position that can be adjusted to suit various installation requirements. It also offers touch protection and can be sealed for added security against unauthorised adjustments. The 5SY4350-7 is constructed to withstand a wide range of ambient temperatures, from -25°C to +55°C, ensuring consistent performance in diverse operating conditions.
This miniature circuit breaker is a testament to Siemens' commitment to quality, reliability, and innovation, making it an essential component for electrical safety and circuit management in industrial settings across the United Kingdom and beyond.
| Specification | Description |
|---|---|
| Part Number | 5SY4350-7 |
| Alternative Part Number | 5SY43507 |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Number of Poles | 3 Poles |
| Voltage Rating | 400 V ac |
| Interrupting Capacity | 10 kA |
| Current Rating | 50 A |
| Dimensions | 54 x 76 x 90 mm |
| Operating Temperature Range | -25 … +55 °C |
| Storage Temperature Range | -40 … +75 °C |
| Pollution Degree | 3 |
| Insulation Voltage | Rated at 440 V ac for multi-phase operation |
| Mechanical Operating Cycles | Typically 20,000 |
| Overvoltage Category | 3 |
| Touch Protection | Yes |
| Shock Resistance | 150m/s² at 11ms half-sine |
| Wire Connection Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely Stranded with End Processing: 0.75 … 25 mm² |
| Terminal Type | Combined terminal top and bottom |
| Tightening Torque | 2.5 … 3 N·m (22 … 26 lbf·in) |
| Product Features | Sealable, Silicon-free, Halogen-free |
| Compliance | Conforms to IEC standards and suitable for use as main switches in accordance with EN 60204-1 |
What type of device is this?
This is a miniature circuit breaker designed to protect an electrical circuit from damage caused by excess current resulting from an overload or short circuit.
What are the key specifications of this circuit breaker?
The key specifications include a 3-pole configuration, a 400 V ac supply voltage, a 10 kA breaking capacity, a 50 A current rating, and dimensions of 54 x 76 x 90 mm.
Can this circuit breaker be used in any mounting position?
Yes, the circuit breaker is designed to be mounted in any position, providing flexibility in installation.
What is the tripping characteristic of this circuit breaker?
This circuit breaker has a 'C' tripping characteristic, which means it is suitable for commercial and industrial applications with a moderate surge current risk.
Is the device suitable for use in environments with vibration and shock?
Yes, the circuit breaker is designed to withstand environmental conditions including vibration and shock, making it robust for industrial use.
What is the ambient temperature range for the operation of this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -25 °C to +55 °C, ensuring reliable performance in various climatic conditions.
Is the circuit breaker sealable for safety purposes?
Yes, it features a sealable design which allows for locking and preventing unauthorised or accidental switching.
What is the insulation voltage rating for this circuit breaker?
The insulation voltage rating with AC is 440 V, which provides a measure of the electrical strength of the insulating materials used in the device.
Does this circuit breaker have touch-protection?
Yes, it is equipped with touch-protection to enhance safety by preventing direct contact with live parts.
How many mechanical operating cycles does the circuit breaker support?
The circuit breaker supports approximately 20,000 mechanical operating cycles, indicating its durability and longevity.
- Protection of electrical circuits against overload and short-circuit in residential and commercial buildings
- Use in distribution boards for safeguarding lighting and power circuits
- Integration into control panels for industrial machinery and equipment
- Application in HVAC systems to protect motors and compressors
- Implementation in renewable energy systems such as solar panel installations
- Utilisation in infrastructure projects, including railways and marine applications, for circuit protection
- Deployment in automation systems to prevent electrical faults from disrupting operations
- Installation in data centres to protect sensitive electronic equipment from electrical disturbances
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.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
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.
2 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!
2 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!
2 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
Be a Factory Hero.
Get parts fast.
You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.