5SY4104-5

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The Siemens 5SY4104-5 miniature circuit breaker is a compact and reliable safety device designed to protect electrical circuits from damage caused by overcurrents or short circuits. Engineered for precision and durability, this circuit breaker operates with a rated current of 4 A and a supply voltage of 400 V AC, making it suitable for a wide range of industrial and commercial applications.

With a tripping characteristic class of A, it ensures rapid disconnection of the circuit in the event of a fault, thereby safeguarding both equipment and personnel. The device boasts a notable interrupt rate of 10 kA according to EN 60898, and it also meets the stringent requirements of IEC 60947-2 with a higher breaking capacity, ensuring it can handle demanding industrial environments.

The 5SY4104-5 features a sleek design with dimensions of 90 x 18 x 76 mm, allowing for efficient use of space inside electrical enclosures. Its quick assembly system facilitates easy installation and maintenance, while the ability to mount in any position offers flexibility in system design. The circuit breaker is also characterised by its touch protection and sealable cover, enhancing safety during operation.

This product is halogen-free and silicon-free, reducing the environmental impact and ensuring it does not contribute to corrosive or toxic gas emissions in the event of a fire. It is designed to withstand a wide range of environmental conditions, with an operational temperature range from -40 °C to 70 °C, making it a robust choice for various climates and settings.

The Siemens 5SY4104-5 is an essential component for those seeking a high-quality circuit protection solution that combines functionality, safety, and efficiency.
Specification Description
Part Number 5SY4104-5
Alternative Part Number 5SY41045
Manufacturer Siemens
Product Type Miniature Circuit Breaker
Rated Voltage 400 V
Interrupt Rate 10 kA
Dimensions 90 x 18 x 76 mm
Protection Class IP20 with connected conductors
Operating Current 4 A at AC rated value
Supply Voltage Frequency 50/60 Hz
Switching Capacity 15 kA at DC according to IEC 60947-2
Loss Power 2.3 W per pole at rated current in AC during warm operating conditions
Suitability Suitable for industrial and machine building applications
Features Halogen-free, can be sealed, silicon-free
Terminal Type Combination terminals at both top and bottom
Approvals and Certifications General Product Approval, Declaration of Conformity, various test certificates and approvals

What is the voltage rating for this miniature circuit breaker?

The miniature circuit breaker is rated for a supply voltage of 400 V AC.

Can this circuit breaker be used with DC voltage systems?

Yes, it can be used with DC voltage systems up to a maximum of 72 V DC.

What is the interrupt rate of this circuit breaker?

The interrupt rate for this circuit breaker is 10 kA.

What are the dimensions of this circuit breaker?

The dimensions of the circuit breaker are 90 x 18 x 76 mm.

Is this circuit breaker suitable for industrial use?

Yes, it is suitable for use in industrial applications due to its robust design and specifications.

Does this circuit breaker come with a touch protection feature?

Yes, it is equipped with a touch protection feature to enhance safety during operation.

What is the protection class of this circuit breaker?

The protection class for this circuit breaker is IP20 when connected with conductors.

Can additional accessories be installed with this circuit breaker?

Yes, the circuit breaker allows for the installation of additional accessories and auxiliary equipment.

Is the circuit breaker halogen-free?

Yes, the circuit breaker is halogen-free, making it environmentally friendly.

What is the switching capacity for this device according to IEC 60947-2?

According to IEC 60947-2, the switching capacity of this device is rated at 35 kA.

  • Protection of electrical circuits against overload and short-circuit in residential buildings
  • Use in commercial infrastructure for safeguarding lighting and power distribution systems
  • Integration into industrial control panels for motor and plant protection
  • Installation in HVAC systems for circuit protection
  • Utilisation in mechanical engineering applications for safeguarding machinery
  • Implementation in renewable energy systems to protect inverters and related components
  • Deployment in automation systems for protecting sensors and actuators
  • Use in data centres to ensure uninterrupted power supply to critical IT equipment
  • Application in marine engineering for circuit protection in harsh environments
  • Installation in railway systems for protecting electrical equipment onboard trains and at stations

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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