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
5SY4325-7
Siemens 5SY4325-7 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 5SY4325-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. This three-pole device is engineered to handle a rated current of 25 A and is suitable for both AC and DC systems, with a rated voltage of 400 V. It boasts a compact form factor with dimensions of 76 x 54 x 90 mm, making it an ideal choice for space-constrained environments.
Crafted with a tripping characteristic class C, the 5SY4325-7 ensures a high level of protection for general applications, including residential, commercial, and industrial settings. Its quick assembly system facilitates easy installation, while the ability to mount in any position offers flexibility during setup. The circuit breaker's mechanical service life is impressive, with a typical rating of 20,000 switching cycles, indicating a long-lasting and durable performance.
The device's insulation voltage is rated at 440 V for multi-phase operation, and it has a breaking capacity short-circuit current (Icn) of 10 kA, in accordance with EN 60898, which demonstrates its capability to handle high fault currents. The 5SY4325-7 is also designed with safety in mind, featuring touch-protection and the ability to be sealed to prevent unauthorized adjustments.
With its combination of compact size, versatile mounting options, and reliable protection features, the Siemens 5SY4325-7 miniature circuit breaker is a dependable choice for safeguarding electrical circuits against overload and short-circuit conditions.
Crafted with a tripping characteristic class C, the 5SY4325-7 ensures a high level of protection for general applications, including residential, commercial, and industrial settings. Its quick assembly system facilitates easy installation, while the ability to mount in any position offers flexibility during setup. The circuit breaker's mechanical service life is impressive, with a typical rating of 20,000 switching cycles, indicating a long-lasting and durable performance.
The device's insulation voltage is rated at 440 V for multi-phase operation, and it has a breaking capacity short-circuit current (Icn) of 10 kA, in accordance with EN 60898, which demonstrates its capability to handle high fault currents. The 5SY4325-7 is also designed with safety in mind, featuring touch-protection and the ability to be sealed to prevent unauthorized adjustments.
With its combination of compact size, versatile mounting options, and reliable protection features, the Siemens 5SY4325-7 miniature circuit breaker is a dependable choice for safeguarding electrical circuits against overload and short-circuit conditions.
| Specification | Description |
|---|---|
| Part Number | 5SY4325-7 |
| Alternative Part Number | 5SY43257 |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Current Rating | 25 A |
| Number of Poles | 3 Pole |
| Interrupting Capacity | 10 kA |
| Voltage Rating | 400 V |
| Dimensions | 76 x 54 x 90 mm |
| Pollution Degree | 3 |
| Ambient Temperature Range | -25 … +55 °C (operating), -40 … +75 °C (storage) |
| Power Supply Cord Position | Any |
| Mechanical Operating Cycles | Typically 20,000 |
| Overvoltage Category | 3 |
| Touch Protection | Yes |
| Shock Resistance | 150m/s² at 11ms half-sine |
| Insulation Voltage | 440 V (with multi-phase operation) |
| Conductor Cross-Section | Solid: 0.75 … 35 mm², Stranded: 0.75 … 35 mm², Finely Stranded with Wire End: 0.75 … 25 mm² |
| Terminal Type | Combined terminal top and bottom |
| Tightening Torque | 2.5 … 3 N·m (screw-type terminals), 22 … 26 lbf·in (screw connection) |
| Product Features | Sealable, Silicon-free, Halogen-free |
| Environmental Testing Cycles | 6 (in accordance with IEC 60068-2-30) |
| Reference Code | According to EN 61346-2 F and IEC 81346-2 F |
What are the key specifications of this miniature circuit breaker?
This miniature circuit breaker is a 3-pole device with a 25 A current rating, designed for a supply voltage of 400 V AC. It has a tripping characteristic class of C and a breaking capacity short-circuit current (Icn) of 10 kA according to EN 60898.
Can this circuit breaker be used in any mounting position?
Yes, the circuit breaker can be installed in any mounting position, providing flexibility in various applications.
What is the tripping characteristic class of this circuit breaker?
The tripping characteristic class of this circuit breaker is Class C, which means it is suitable for commercial and industrial applications with moderate surge currents.
What is the significance of the breaking capacity for this device?
The breaking capacity, rated at 10 kA, indicates the maximum short-circuit current that the circuit breaker can safely interrupt, ensuring protection against electrical faults.
Is this circuit breaker suitable for both AC and DC applications?
This circuit breaker is designed primarily for AC applications with a rated voltage of 400 V. For DC applications, please refer to the product's datasheet for specific ratings and compatibility.
What is the purpose of a miniature circuit breaker like this one?
A miniature circuit breaker is used to protect electrical circuits from damage caused by excess current from an overload or short circuit. It provides a safe and efficient way to interrupt the flow of current in the event of a fault.
How does the quick assembly system benefit the installation process?
The quick assembly system allows for faster and easier installation of the circuit breaker, reducing downtime and simplifying maintenance tasks.
What should be considered when selecting a circuit breaker for commercial use?
When selecting a circuit breaker for commercial use, consider the current rating, voltage rating, tripping characteristic, breaking capacity, and the specific electrical demands of the application.
Can this circuit breaker be used in multi-phase operations?
Yes, this circuit breaker is suitable for multi-phase operations with an AC rated value of 400 V, making it versatile for various electrical systems.
What are the dimensions of this circuit breaker?
The dimensions of the Siemens 5SY4325-7 circuit breaker are 76 mm in depth, 54 mm in width, and 90 mm in height, with a mounting depth of 70 mm.
- 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 equipment protection
- Application in HVAC systems to prevent electrical faults
- Installation in modular enclosures for circuit management in data centres
- Utilisation in infrastructure projects, such as railway systems, for electrical safety
- Implementation in renewable energy systems to protect inverters and related components
- Deployment in automation systems for safeguarding motors and drives
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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