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 months ago
5SY8301-7
Siemens 5SY8301-7 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 5SY8301-7 is a high-performance miniature circuit breaker designed for reliable protection in electrical systems. Engineered to meet the rigorous standards of EN 60947-2, this circuit breaker is ideal for industrial and mechanical engineering applications. It features a 3-pole design with a tripping characteristic class C, ensuring precise operation under varying load conditions. With a rated supply voltage of 400 V AC and a robust switching capacity of up to 70 kA, it provides exceptional short-circuit protection. The 5SY8301-7 is built with a quick assembly system for easy installation and offers flexibility with its ability to be mounted in any position. Its compact dimensions, including a height of 90 mm and a width of 54 mm, make it suitable for space-constrained environments. Additionally, the breaker is designed to withstand harsh conditions, with an operating temperature range from -25°C to +55°C and a high degree of pollution tolerance. The Siemens 5SY8301-7 is a reliable choice for safeguarding electrical circuits, ensuring operational safety and efficiency.
| Specification | Description |
|---|---|
| Part Number | 5SY8301-7 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | Miniature Circuit Breaker |
| Number of Poles | 3 |
| Tripping Characteristic Class | C |
| Mechanical Service Life | 10,000 operating cycles |
| Overvoltage Category | III |
| Degree of Pollution | 3 |
| Type of Voltage | AC |
| Insulation Voltage | 440 V (single-phase and multi-phase operation) |
| Supply Voltage | 400 V AC, 60 V DC |
| Supply Voltage Frequency | 50/60 Hz |
| Operating Voltage (DC) | Maximum 72 V |
| Protection Class | IP20 with connected conductors |
| Switching Capacity Current | 70 kA (AC), 15 kA (DC) |
| Power Loss | 1.2 W per pole in hot operating state |
| Suitability for Operation | Mechanical engineering / industry |
| Product Component | Combined terminal top and bottom |
| Neutral Conductor Switching | No |
| Product Feature | Properties for main switches in accordance with EN 60204-1 |
| Halogen-Free | Yes |
| Sealable | Yes |
| Silicon-Free | Yes |
| Connectable Conductor Cross-Section | Solid: 0.75 - 35 mm², Stranded: 0.75 - 35 mm², Finely stranded with core end processing: 0.75 - 25 mm² |
| AWG Number | 18 - 4 |
| Tightening Torque | 2.5 - 3.5 N·m (22 - 31 lbf·in) |
| Mounting Type | Quick assembly system |
| Mounting Position | Any |
| Dimensions (H x W x D) | 90 mm x 54 mm x 76 mm |
| Installation Depth | 70 mm |
| Net Weight | 456 g |
| Ambient Temperature (Operation) | -25 °C to +55 °C |
| Ambient Temperature (Storage) | -40 °C to +75 °C |
| Vibration Resistance | ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
| Environmental Testing Cycles | 6 cycles according to IEC 60068-2-30 |
The Siemens 5SY8301-7 is a robust miniature circuit breaker designed for reliable performance in industrial and mechanical engineering applications. With a tripping characteristic class C and a high switching capacity, it ensures effective protection against overloads and short circuits. Its compact design, combined with a quick assembly system, allows for versatile installation in various settings. The breaker is built to withstand harsh environmental conditions, making it a dependable choice for safeguarding electrical systems.
What type of device is this?
This is a miniature circuit breaker designed for use in electrical systems to protect against overloads and short circuits.
What is the rated voltage for this circuit breaker?
The circuit breaker is rated for a supply voltage of 400 V AC and 60 V DC.
What is the tripping characteristic of this circuit breaker?
The circuit breaker has a tripping characteristic class of C, suitable for general applications.
How many poles does this circuit breaker have?
This circuit breaker is a 3-pole device.
What is the breaking capacity of this circuit breaker?
The breaking capacity is 70 kA according to IEC 60947-2 for AC and 15 kA for DC.
Can this circuit breaker be mounted in any position?
Yes, the circuit breaker can be mounted in any position, providing flexibility in installation.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the circuit breaker is approximately 10,000 operating cycles.
Is this circuit breaker suitable for industrial applications?
Yes, the circuit breaker is suitable for mechanical engineering and industrial applications.
What is the degree of protection provided by this circuit breaker?
The circuit breaker has an IP20 protection class when connected with conductors.
What are the dimensions of this circuit breaker?
The circuit breaker has a height of 90 mm, a width of 54 mm, and a depth of 76 mm.
- Industrial automation systems
- Electrical distribution panels
- Protection of electrical circuits in commercial buildings
- Machinery and equipment safety systems
- Renewable energy installations
- Data centers and server rooms
- HVAC systems
- Manufacturing and production lines
- Infrastructure and utility projects
- Backup power systems and generators
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.
5 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!
5 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!
5 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.
5 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!
6 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.