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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4201-5 |
| Alternative Part Number | 5SY42015 |
| Manufacturer | Siemens |
| Number of Poles | 2 |
| Tripping Characteristic Class | A |
| Rated Voltage (AC) | 400 V |
| Rated Voltage (DC) | 72 V (maximum) |
| Rated Current | 1 A |
| Breaking Capacity (IEC 60947-2) | 35 kA |
| Breaking Capacity (EN 60898) | 10 kA |
| Breaking Capacity (DC) | 15 kA |
| Insulation Voltage | 440 V (with multi-phase operation at AC) |
| Mechanical Service Life | Typically 20,000 operating cycles |
| Overvoltage Category | 3 |
| Ambient Temperature Range | -25 °C to +55 °C (operating), -40 °C to +75 °C (storage) |
| Mounting Type | Quick assembly system |
| Mounting Position | Any |
| Degree of Pollution | 3 |
| Tightening Torque | 2.5 - 3 N·m (screw-type terminals) |
| Connectable Conductor Cross-Section (Solid) | 0.75 - 35 mm² |
| Connectable Conductor Cross-Section (Finely Stranded) | 0.75 - 25 mm² (with wire end processing) |
| AWG Number | 14 - 4 (as coded connectable conductor cross-section) |
| Protection Class IP | IP20 (with connected conductors) |
| Product Function | Neutral conductor switching (No) |
| Product Features | Halogen-free, sealable, silicon-free, touch protection, properties for main switches in accordance with EN 60204-1 |
| Environmental Testing | 6 test cycles in accordance with IEC 60068-2-30 |
| Reference Code | According to DIN EN 61346-2 F and IEC 81346-2 F |
| Height | 90 mm |
| Width | 36 mm |
| Depth | 76 mm |
| Installation Depth | 70 mm |
| Net Weight | 323 g |
The Siemens 5SY4201-5 is a robust and reliable miniature circuit breaker designed to provide overcurrent protection in a variety of industrial and commercial applications. This 2-pole circuit breaker is engineered to handle a rated current of 1A and is suitable for both AC and DC operations, with a rated voltage of 400V for AC. It boasts a high breaking capacity of 10kA according to EN 60898 standards, ensuring dependable protection against short-circuit conditions.
Constructed with a quick assembly system, the 5SY4201-5 allows for efficient installation and maintenance, making it a practical choice for system integrators and maintenance professionals. The device's compact dimensions, with a width of 36mm and a mounting depth of 70mm, make it an excellent fit for space-constrained environments.
The circuit breaker features a tripping characteristic class A, providing a swift response to protect circuits from overloads and short circuits. It is also designed with user safety in mind, offering touch protection and the ability to be sealed to prevent unauthorized adjustments.
With an ambient temperature operating range of -25°C to +55°C and a storage temperature range of -40°C to +75°C, the Siemens 5SY4201-5 is built to perform reliably in diverse environmental conditions. Its mechanical service life of 20,000 operating cycles attests to its durability and long-term reliability.
The 5SY4201-5 is also environmentally conscious, being both halogen-free and silicon-free, aligning with modern sustainability standards. Its design includes combined terminal connections at both the top and bottom for flexible installation options.
Overall, the Siemens 5SY4201-5 miniature circuit breaker is a high-quality protective device that offers consistent performance, ease of use, and adherence to stringent safety standards, making it a valuable component in electrical protection systems.
Commonly Asked Questions
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Frequently Asked Questions
What type of circuit breaker is this?
This is a 2-pole miniature circuit breaker with a tripping characteristic class A, suitable for quick assembly systems.
Can this circuit breaker be used with both AC and DC voltage?
Yes, the circuit breaker is designed for use with both AC and DC voltage systems.
What is the rated supply voltage for this circuit breaker?
The rated supply voltage for this circuit breaker is 400V when used in AC circuits.
What is the insulation voltage rating of this circuit breaker?
The insulation voltage rating with multi-phase operation at AC is 440V.
What is the breaking capacity of this circuit breaker?
The breaking capacity of this circuit breaker is 10kA according to EN 60898, and 35kA according to IEC 60947-2 for AC circuits.
Is this circuit breaker suitable for industrial use?
Yes, it is suitable for industrial applications, particularly in mechanical engineering.
What are the dimensions of this circuit breaker?
The circuit breaker has a height of 90mm, a width of 36mm, and a depth of 76mm, with an installation depth of 70mm.
What is the mechanical service life of this circuit breaker?
The typical mechanical service life of this circuit breaker is 20,000 switching cycles.
Can this circuit breaker be used as a main switch according to 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 ambient temperature range for operating this circuit breaker?
The circuit breaker can operate within an ambient temperature range of -25°C to +55°C.
Is the circuit breaker halogen-free and silicon-free?
Yes, the circuit breaker is both halogen-free and silicon-free, making it suitable for various environments.
What conductor cross-section can be connected to this circuit breaker?
The circuit breaker can accommodate solid conductors with cross-sections ranging from 0.75mm² to 35mm², and finely stranded conductors with core end processing from 0.75mm² to 25mm².
What is the tightening torque for the screw-type terminals of this circuit breaker?
The tightening torque for the screw-type terminals is between 2.5 N·m and 3.5 N·m.
Does this circuit breaker have a sealable feature?
Yes, the circuit breaker is designed with a sealable feature for added security.
What is the overvoltage category for this circuit breaker?
The overvoltage category for this circuit breaker is Category 3.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
