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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4215-7 |
| Alternative Part Number | 5SY42157 |
| Manufacturer | Siemens |
| Type of Mounting | Quick assembly system |
| Type of Voltage | AC/DC |
| Height | 90 mm |
| Width | 36 mm |
| Depth | 76 mm |
| Mounting Position | Any |
| Mounting Depth | 70 mm |
| Rated Current (AC) | 1.6 A |
| Tripping Characteristic Class | C |
| Supply Voltage (AC) | 400 V |
| Switching Capacity Current (IEC) | 35 kA |
| Switching Capacity Current (DC) | 15 kA |
| Switching Capacity Current (EN) | 10 kA |
| Breaking Capacity (Icn) | 10 kA (DC according to EN 60898-2) |
| Energy Limiting Class | 3 |
| Power Loss per Pole | 1.2 W (at AC in hot operating state) |
| Ambient Operating Temperature Range | -40 °C to +70 °C |
| Storage Temperature Range | -40 °C to +75 °C |
| Mechanical Operating Cycles | 20,000 typical |
| Overvoltage Category | III |
| Degree of Pollution | 3 |
| Insulation Voltage | 440 V (with multi-phase operation at AC) |
| Connectable Conductor Cross-section | Solid: 0.75 mm² to 35 mm², Stranded: 0.75 mm² to 35 mm², Finely Stranded: 0.75 mm² to 25 mm² |
| Tightening Torque | 2.5 N·m to 3.5 N·m |
| Protection Class IP | IP20 (with connected conductors) |
| Product Features | Halogen-free, Sealable, Silicon-free |
| Suitability for Operation | Mechanical engineering / industry |
The Siemens 5SY4215-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of industrial and commercial applications. Engineered for performance, this 2-pole circuit breaker features a C tripping characteristic, ensuring a precise response to overcurrent conditions, safeguarding equipment from potential damage.
With a rated operating voltage of 400V AC and a supply voltage frequency of 50/60 Hz, the 5SY4215-7 is versatile and suitable for a wide range of electrical systems. Its impressive switching capacity current of 10kA according to EN 60898 and 35kA in accordance with IEC 60947-2 highlights its capability to handle high fault currents, providing peace of mind in demanding environments.
The unit's compact design, with a width of just 36mm per pole, allows for efficient use of space within electrical installations. The quick assembly system facilitates ease of installation, and the device can be mounted in any position, offering flexibility in various configurations.
Constructed with safety in mind, the 5SY4215-7 boasts touch protection and a pollution degree of 3, ensuring it can operate reliably even in environments where pollutants are present. The circuit breaker is also characterised by its mechanical endurance, capable of up to 10,000 mechanical operating cycles, which speaks to its durability and long service life.
The 5SY4215-7 is also designed with environmental considerations, being both halogen-free and silicon-free, reducing the environmental impact and enhancing safety in the event of a fire. It can operate within a wide temperature range, from -40°C to +70°C, ensuring consistent performance even under extreme conditions.
Overall, the Siemens 5SY4215-7 miniature circuit breaker is a high-quality protective device that combines functionality, safety, and durability, making it an excellent choice for safeguarding electrical systems in a variety of industrial and commercial settings.
Commonly Asked Questions
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Frequently Asked Questions
What type of circuit breaker is this?
This is a miniature circuit breaker designed for quick assembly, featuring a 2-pole configuration with a C tripping characteristic, suitable for mechanical engineering and industrial applications.
Can this circuit breaker be used in multi-phase power systems?
Yes, the circuit breaker is rated for use in multi-phase power systems with an AC supply voltage of 400V.
What is the rated current for this circuit breaker?
The rated current for the circuit breaker is 1.6 A.
What are the tripping characteristics of this circuit breaker?
The circuit breaker has a C tripping characteristic, which means it is designed to trip for higher surge currents typically associated with inductive or capacitive loads.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the circuit breaker is typically around 10,000 switching cycles.
What is the switching capacity of this circuit breaker?
The switching capacity of the circuit breaker is rated at 10 kA according to EN 60898, and 35 kA according to IEC 60947-2 for AC currents.
Is this circuit breaker suitable for use in environments with temperature fluctuations?
Yes, the circuit breaker is designed to operate in a range of ambient temperatures from -40 °C up to 70 °C, making it suitable for various environmental conditions.
What is the degree of protection provided by this circuit breaker?
The circuit breaker provides a degree of protection of IP20 with connected conductors, ensuring touch protection against solid objects.
Can the terminals of this circuit breaker accommodate different conductor sizes?
Yes, the terminals are designed to accommodate a range of conductor sizes from 0.75 mm² up to 35 mm² for solid and stranded conductors, and up to 25 mm² for finely stranded conductors with core end processing.
Is this circuit breaker halogen-free?
Yes, the circuit breaker is halogen-free, making it suitable for applications where avoidance of halogenated materials is preferred.
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.
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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.
