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
5SY5203-7
Siemens 5SY5203-7 available at EU Automation. Get in touch today for a quick price.
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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 5SY5203-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection for electrical circuits. Engineered for both AC and DC applications, this versatile breaker is rated for a 400 V ac supply voltage and can handle a DC voltage of up to 440 V. It boasts an impressive interrupt rate of 10 kA, ensuring quick and effective disconnection in the event of a fault, which helps to safeguard both equipment and personnel.
With a compact form factor measuring 90 x 36 x 76 mm, the 5SY5203-7 is a two-pole device featuring a C tripping characteristic, making it suitable for a wide range of applications where space is at a premium but protection cannot be compromised. The device's quick assembly system facilitates easy installation, while its ability to be mounted in any position offers flexibility in system design.
The circuit breaker is designed with safety in mind, featuring touch protection to prevent accidental contact. Its halogen-free construction and the ability to seal the device contribute to its safe operation and compliance with environmental standards. The 5SY5203-7 is also silicon-free, making it suitable for use in environments where silicon could interfere with processes or equipment.
This miniature circuit breaker is an ideal choice for those seeking a reliable and efficient solution to protect against overcurrents in both commercial and industrial settings. Its universal current capability and compliance with relevant standards make it a dependable component in any electrical distribution system.
With a compact form factor measuring 90 x 36 x 76 mm, the 5SY5203-7 is a two-pole device featuring a C tripping characteristic, making it suitable for a wide range of applications where space is at a premium but protection cannot be compromised. The device's quick assembly system facilitates easy installation, while its ability to be mounted in any position offers flexibility in system design.
The circuit breaker is designed with safety in mind, featuring touch protection to prevent accidental contact. Its halogen-free construction and the ability to seal the device contribute to its safe operation and compliance with environmental standards. The 5SY5203-7 is also silicon-free, making it suitable for use in environments where silicon could interfere with processes or equipment.
This miniature circuit breaker is an ideal choice for those seeking a reliable and efficient solution to protect against overcurrents in both commercial and industrial settings. Its universal current capability and compliance with relevant standards make it a dependable component in any electrical distribution system.
| Specification | Description |
|---|---|
| Part Number | 5SY5203-7 |
| Manufacturer | Siemens |
| Product Type | Miniature Circuit Breaker |
| Rated Operational Voltage | 400 V AC / 440 V DC |
| Interrupt Rate | 10 kA |
| Number of Poles | 2-pole |
| Tripping Characteristic | Type C |
| Rated Current | 3 A |
| Dimensions | 90 x 36 x 76 mm |
| Protection Class | IP20 with connected conductors |
| Mechanical Life | Typically 10,000 operating cycles |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Energy Limiting Class | 3 |
| Loss Power | 1.3 W per pole at rated current in warm operating condition |
| Suitability for Use | Universal current (AC/DC) |
| Features | Halogen-free, plombierbar (sealable), silicon-free |
| Installation | Any position, with quick fastening system |
| Environmental Considerations | Vibration and shock resistant according to IEC 60068-2-6, operational temperature -40°C to 70°C |
| Weight | Approximately 318 g |
What type of circuit breaker is this?
This is a miniature circuit breaker designed for universal current applications, capable of interrupting short-circuit currents up to 10kA. It is a 2-pole breaker with a C tripping characteristic.
Can this circuit breaker be used with both AC and DC power supplies?
Yes, it is suitable for both AC and DC power supplies, with a rated operational voltage of 400 V for AC and 440 V for DC.
What are the dimensions of this circuit breaker?
The dimensions are 90 mm in height, 36 mm in width, and 76 mm in depth.
What is the tripping characteristic of this circuit breaker?
It has a C tripping characteristic, which means it is designed to trip at a current rating of 5 to 10 times its rated current, making it suitable for higher inrush currents typically found in applications with motors or similar inductive loads.
What is the installation method for this circuit breaker?
It features a quick assembly system, allowing for easy and fast installation.
What is the rated current of this circuit breaker?
The rated current for this circuit breaker is 3 A.
What is the breaking capacity of this circuit breaker?
The breaking capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2 when used in DC circuits.
Is this circuit breaker halogen-free?
Yes, it is halogen-free, which means it does not release halogenated gases under normal operating conditions, making it environmentally friendly and safer in the event of a fire.
Can this circuit breaker be used as a main switch according to EN 60204-1?
Yes, it has the properties suitable for use as a main switch in accordance with EN 60204-1.
What is the ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -40 °C to +70 °C.
- Protection of electrical circuits against overload and short-circuit currents in residential and commercial buildings
- Use in control panel assemblies for industrial equipment and machinery
- Integration into power distribution units for data centers and IT infrastructures
- Application in lighting circuits to safeguard against electrical faults
- Installation in HVAC systems to prevent electrical overcurrents
- Utilization in renewable energy systems such as solar panel arrays to protect against circuit damage
- Implementation in automation systems for safeguarding sensitive electronic components
- Deployment in manufacturing facilities to ensure uninterrupted power supply to critical production lines
- Use in electrical outlets and sockets within office environments to prevent circuit overloads
- Incorporation into the electrical infrastructure of retail spaces to provide circuit protection for lighting and electronic displays
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.
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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