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
5SY4208-8
Siemens 5SY4208-8 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 5SY4208-8 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for quick assembly and easy installation on a DIN rail, this two-pole circuit breaker is suitable for both AC and DC operations. With a rated voltage of 400 V AC and a rated current of 8 A, it is equipped to handle a diverse range of electrical loads.
This circuit breaker features a D tripping characteristic, ensuring precise protection for circuits that may experience high inrush currents, making it ideal for industrial and mechanical engineering applications. The 5SY4208-8 boasts a substantial short-circuit breaking capacity of 10 kA according to EN 60898 and 5 kA in accordance with UL 1077 and CSA C22.2 No.235, providing reliable performance and peace of mind.
The unit's compact dimensions, 35.2 x 76 x 89.8 mm, allow for efficient use of space within electrical enclosures, while the screw-type terminals ensure secure and durable connections. The circuit breaker is also designed with safety in mind, featuring touch protection and the ability to be sealed to prevent unauthorized adjustments.
Constructed to withstand a wide range of environmental conditions, the Siemens 5SY4208-8 operates effectively within an ambient temperature range of -25°C to +55°C and can be stored in temperatures ranging from -40°C to +75°C. Its mechanical endurance is impressive, with a typical operating time of 20,000 cycles, and it is resistant to shocks and vibrations as per IEC standards.
The 5SY4208-8 is also environmentally conscious, being both halogen-free and silicon-free, aligning with modern sustainability standards. Its design and construction adhere to international standards, including IEC/EN 60898-1 and IEC/EN 60947-2, ensuring compatibility and reliability in a global market.
Overall, the Siemens 5SY4208-8 miniature circuit breaker is a high-quality protective device that offers a combination of performance, safety, and durability for a wide range of electrical applications.
This circuit breaker features a D tripping characteristic, ensuring precise protection for circuits that may experience high inrush currents, making it ideal for industrial and mechanical engineering applications. The 5SY4208-8 boasts a substantial short-circuit breaking capacity of 10 kA according to EN 60898 and 5 kA in accordance with UL 1077 and CSA C22.2 No.235, providing reliable performance and peace of mind.
The unit's compact dimensions, 35.2 x 76 x 89.8 mm, allow for efficient use of space within electrical enclosures, while the screw-type terminals ensure secure and durable connections. The circuit breaker is also designed with safety in mind, featuring touch protection and the ability to be sealed to prevent unauthorized adjustments.
Constructed to withstand a wide range of environmental conditions, the Siemens 5SY4208-8 operates effectively within an ambient temperature range of -25°C to +55°C and can be stored in temperatures ranging from -40°C to +75°C. Its mechanical endurance is impressive, with a typical operating time of 20,000 cycles, and it is resistant to shocks and vibrations as per IEC standards.
The 5SY4208-8 is also environmentally conscious, being both halogen-free and silicon-free, aligning with modern sustainability standards. Its design and construction adhere to international standards, including IEC/EN 60898-1 and IEC/EN 60947-2, ensuring compatibility and reliability in a global market.
Overall, the Siemens 5SY4208-8 miniature circuit breaker is a high-quality protective device that offers a combination of performance, safety, and durability for a wide range of electrical applications.
| Specification | Description |
|---|---|
| Part Number | 5SY4208-8 |
| Alternative Part Number | 5SY42088 |
| Manufacturer | Siemens |
| Product Type | Miniature Circuit Breaker |
| Actuation Type | Toggle |
| Rated Voltage | 400 V ac |
| Rated Short-Circuit Capacity | 5 kA |
| Rated Current | 8 A |
| Connection Type | Screw |
| Mounting | DIN Rail Mount |
| Dimensions | 35.2 x 76 x 89.8 mm |
| Number of Poles | 2 |
| Tripping Characteristic | D |
| Frequency | Suitable for 50/60 Hz systems |
| Pollution Degree | 3 |
| Ambient Temperature Range | -25 … +55 °C (operational), -40 … +75 °C (storage) |
| Insulation Voltage | Rated at 440 V for multi-phase operation with AC |
| Conductor Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely Stranded: 0.75 … 25 mm² |
| Tightening Torque | 2.5 … 3 N·m (22 … 26 lbf·in) with screw-type terminals |
| Halogen-Free | Yes |
| Sealable | Yes |
| Mechanical Operating Cycles | Typically 20,000 |
| Overvoltage Category | 3 |
| Touch-Protection | Yes |
| Resistance to Shock | 150m/s² at 11ms half-sine |
| Commodity Code | 853620 |
What type of device is this and what is its primary function?
This device is a miniature circuit breaker designed to protect electrical circuits from damage caused by overcurrent or short circuit. Its primary function is to interrupt current flow after a fault is detected.
Can this circuit breaker be used with both AC and DC voltage?
Yes, this miniature circuit breaker is suitable for both AC and DC voltage applications, with a rated value for AC at 400 V.
What are the mounting options for this circuit breaker?
The circuit breaker is designed for DIN rail mounting, which allows for easy installation and removal within electrical enclosures.
What is the tripping characteristic of this circuit breaker?
This circuit breaker has a D tripping characteristic, which means it is designed to handle high inrush currents typically associated with inductive loads.
What is the rated current of this circuit breaker?
The rated current of this circuit breaker is 8 A.
What is the short-circuit breaking capacity of this device?
The short-circuit breaking capacity of this device is 10 kA according to EN 60898.
Is this circuit breaker suitable for use as a main switch in accordance with EN 60204-1?
Yes, this circuit breaker has properties that make it suitable for use as a main switch in accordance with EN 60204-1.
What is the degree of pollution for this circuit breaker?
The degree of pollution for this circuit breaker is rated at 3, which indicates that it can handle a certain level of contamination without performance being affected.
What is the ambient temperature range for operating this circuit breaker?
The ambient temperature range for operating this circuit breaker is from -25°C to +55°C.
Does this circuit breaker have a touch protection feature?
Yes, this circuit breaker is designed with touch protection to ensure safety during handling and operation.
- 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
- Installation in electrical circuits for office equipment and computers
- Utilisation in power supply systems for protection of transformers and generators
- Implementation in automation systems for safeguarding sensors and actuators
- Deployment in marine electrical systems subject to high breaking capacity requirements
- Use in renewable energy installations, such as solar panel arrays, to prevent electrical faults
- Incorporation into electrical systems of mechanical engineering and manufacturing industries
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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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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