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
5SJ4340-8HG41
Siemens 5SJ4340-8HG41 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 5SJ4340-8HG41 is a robust miniature circuit breaker designed for reliable electrical protection in various applications. This 3-pole device is engineered to handle a rated current of 40A and operates efficiently at a voltage of 240V, with a breaking capacity of 10kA. It features a D tripping characteristic, making it suitable for circuits with high inrush currents. The breaker is constructed to fit on standard mounting rails and can be installed in any position, offering flexibility in diverse installation environments. With a compact design, it measures 90mm in height, 54mm in width, and 76mm in depth, ensuring it occupies minimal space while delivering maximum performance. The Siemens 5SJ4340-8HG41 is an ideal choice for ensuring the safety and reliability of electrical systems in both residential and industrial settings.
| Specification | Description |
|---|---|
| Part Number | 5SJ4340-8HG41 |
| Manufacturer | Siemens |
| Category | Miniature Circuit Breaker |
| Voltage Rating | 240 V |
| Current Rating | 40 A |
| Number of Poles | 3-pole |
| Tripping Characteristic | D |
| Breaking Capacity | 10 kA according to EN 60898, 15 kA according to IEC 60947-2 |
| Mounting Type | Standard mounting rail |
| Mounting Position | Any |
| Dimensions (H x W x D) | 90 mm x 54 mm x 76 mm |
| Installation Depth | 70 mm |
| Protection Class | IP20 with connected conductors, IP40 in the handle range |
| Operating Temperature Range | -25 °C to 55 °C |
| Storage Temperature Range | -40 °C to 75 °C |
| Vibration Resistance | 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
| Conductor Cross-Section | 1.5 mm² to 25 mm² |
| Terminal Type | Combined terminal top and bottom |
| Product Features | Halogen-free, silicon-free, sealable, touch protection |
| Compliance | UL 489, CSA C22.2 No. 5-02 |
| Application | Suitable for mechanical engineering and industrial applications |
| Environmental Testing | 6 test cycles according to IEC 60068-2-30 |
| Mechanical Operating Cycles | 20,000 |
The Siemens 5SJ4340-8HG41 is a robust miniature circuit breaker designed for reliable protection in electrical circuits. With a voltage rating of 240 V and a current rating of 40 A, this 3-pole breaker is ideal for various industrial and mechanical engineering applications. It features a D tripping characteristic and a high breaking capacity, ensuring effective circuit interruption. The breaker is designed for easy installation on standard mounting rails and can be mounted in any position. Its compact dimensions and high protection class make it suitable for a wide range of environments. The product is halogen-free, silicon-free, and offers touch protection, making it a safe and environmentally friendly choice.
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 40A, making it suitable for various industrial and commercial applications.
What is the breaking capacity of this circuit breaker?
The Siemens 5SJ4340-8HG41 circuit breaker has a breaking capacity of 10kA, which indicates its ability to safely interrupt fault currents up to this level.
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 in different electrical systems.
What are the dimensions of this circuit breaker?
The dimensions of this circuit breaker are 90 mm in height, 54 mm in width, and 76 mm in depth, with an installation depth of 70 mm.
What is the tripping characteristic class of this circuit breaker?
This circuit breaker has a tripping characteristic class of D, which is suitable for applications with high inrush currents.
What is the maximum operating voltage for AC applications?
The maximum operating voltage for AC applications is 240V, in accordance with UL 489 and CSA C22.2 No. 5-02 standards.
Is this circuit breaker suitable for use in harsh environmental conditions?
Yes, this circuit breaker is designed to operate in ambient temperatures ranging from -25°C to 55°C and can be stored in temperatures from -40°C to 75°C.
What type of mounting does this circuit breaker support?
This circuit breaker is designed for mounting on a standard mounting rail, allowing for easy installation in various setups.
Does this circuit breaker have any special features?
Yes, this circuit breaker is silicon-free, halogen-free, and features touch protection, making it a safe and environmentally friendly choice.
- Protecting electrical circuits from overloads and short circuits in industrial settings.
- Ensuring safe operation of machinery by interrupting excessive current flow.
- Used in commercial buildings to safeguard electrical installations.
- Integral component in control panels for manufacturing equipment.
- Employed in renewable energy systems to protect circuit integrity.
- Utilized in HVAC systems to prevent electrical faults.
- Essential for safeguarding lighting circuits in large facilities.
- Applied in data centers to maintain uninterrupted power supply.
- Used in marine applications to protect onboard electrical systems.
- Suitable for use in railway systems to ensure electrical safety.
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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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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