steve
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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
5SY4340-7
Siemens 5SY4340-7 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
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We deliver worldwide
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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.
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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 5SY4340-7 is a robust miniature circuit breaker designed for reliable electrical protection in various applications. This three-pole breaker operates at a rated voltage of 400 V AC and offers a breaking capacity of 10 kA, making it suitable for both residential and industrial environments. With a rated current of 40 A, it ensures efficient circuit interruption to prevent overloads and short circuits. The compact dimensions of 54 x 76 x 90 mm allow for easy installation in confined spaces, while the quick assembly system facilitates straightforward mounting. The 5SY4340-7 features a C tripping characteristic, providing optimal protection for circuits with moderate inrush currents. Its durable construction supports up to 20,000 mechanical operating cycles, ensuring long-lasting performance. Additionally, the breaker is halogen-free and silicon-free, aligning with modern environmental standards. With its versatile mounting position and comprehensive touch protection, the Siemens 5SY4340-7 is an excellent choice for safeguarding electrical systems.
| Specification | Description |
|---|---|
| Part Number | 5SY4340-7 |
| Manufacturer | Siemens |
| Part Category | Miniature Circuit Breaker |
| Poles | 3 Poles |
| Voltage Rating | 400 V AC |
| Breaking Capacity | 10 kA |
| Current Rating | 40 A |
| Dimensions | 54 x 76 x 90 mm |
| Description | The Siemens 5SY4340-7 is a robust miniature circuit breaker designed to provide reliable protection for electrical circuits. With a 3-pole configuration, it is suitable for use in a variety of industrial and commercial applications. The breaker is rated for 400 V AC and has a breaking capacity of 10 kA, making it capable of handling high fault currents. Its compact dimensions of 54 x 76 x 90 mm allow for easy installation in confined spaces. This circuit breaker is an ideal choice for ensuring the safety and efficiency of your electrical systems. |
What is the function of this miniature circuit breaker?
This miniature circuit breaker is designed to protect electrical circuits from damage caused by overloads or short circuits. It automatically interrupts the flow of electricity when a fault is detected.
What are the dimensions of this circuit breaker?
The Siemens 5SY4340-7 miniature circuit breaker measures 54 mm in width, 76 mm in depth, and 90 mm in height.
What is the rated current for this circuit breaker?
The rated current for this circuit breaker is 40 A, making it suitable for various electrical applications.
What is the breaking capacity of this circuit breaker?
The breaking capacity of this circuit breaker is 10 kA according to EN 60898 standards.
Can this circuit breaker be used in both AC and DC applications?
Yes, this circuit breaker is suitable for both AC and DC applications, providing versatility in its use.
What is the tripping characteristic of this circuit breaker?
This circuit breaker has a tripping characteristic class of 'C', which is suitable for general-purpose applications.
What is the degree of protection against environmental factors?
The circuit breaker has a degree of pollution rating of 3, indicating its robustness in various environmental conditions.
Is this circuit breaker halogen-free?
Yes, the Siemens 5SY4340-7 circuit breaker is halogen-free, making it a safer choice for environmentally sensitive applications.
What is the mechanical endurance of this circuit breaker?
The circuit breaker is designed for a typical mechanical operating life of 20,000 cycles, ensuring long-term reliability.
What is the recommended tightening torque for the terminals?
The recommended tightening torque for the screw-type terminals is between 2.5 and 3 N·m.
- Protecting electrical circuits from overloads and short circuits in residential, commercial, and industrial settings.
- Ensuring safe operation of electrical systems by automatically disconnecting power in fault conditions.
- Used in distribution boards to manage and protect multiple electrical circuits.
- Ideal for use in lighting circuits to prevent damage from electrical faults.
- Suitable for use in motor control centers to safeguard motors from electrical faults.
- Commonly used in panelboards for effective circuit management and protection.
- Employed in renewable energy systems to protect inverters and other components.
- Utilized in HVAC systems to ensure safe and reliable operation by preventing electrical faults.
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.
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
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