5SL6432-7BB

Siemens 5SL6432-7BB is a miniature circuit breaker (MCB) from the 5SL6 series

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Description

Siemens 5SL6432-7BB is a miniature circuit breaker (MCB) from the 5SL6 series. Here’s an overview of its features and specifications:

Key Features:

  1. Miniature Circuit Breaker (MCB): Provides protection against overload and short circuit currents in electrical circuits.
  2. Rated Current: Typically available with a rated current of 32A, suitable for protecting circuits with moderate to high current loads.
  3. Rated Voltage: Designed for use in circuits with a rated voltage of 230/400V AC.
  4. Breaking Capacity: Offers a breaking capacity of up to 10kA, allowing it to safely interrupt fault currents.
  5. Tripping Characteristics: Available in various tripping characteristics, such as B curve (for general applications) or C curve (for applications with higher inrush currents).
  6. Modular Design: DIN rail mountable according to EN 60715 standard, facilitating easy installation in distribution boards and enclosures.
  7. Positive Contact Indication: Equipped with a contact position indicator for visual verification of the status of the circuit breaker.
  8. Manual Operation: Features a toggle switch for manual operation, allowing users to manually trip or reset the circuit breaker as needed.
  9. Compact Size: Compact and space-saving design, suitable for use in applications where space is limited.

Technical Specifications:

  • Manufacturer: Siemens
  • Series: 5SL6
  • Model: 5SL6432-7BB
  • Rated Current (In): 32A
  • Rated Voltage (Un): 230/400V AC
  • Rated Frequency: 50/60Hz
  • Breaking Capacity (Icn): Up to 10kA
  • Tripping Characteristic: B curve or C curve (depending on the model)
  • Number of Poles: Single pole (1P), suitable for single-phase circuits
  • Mounting: DIN rail mountable (35mm) according to EN 60715 standard
  • Operating Temperature: -25°C to +55°C
  • Protection Degree: IP20 (for protection against solid foreign objects)

Applications:

  • Residential Installations: Used in residential electrical distribution boards to protect circuits supplying sockets, lights, and appliances.
  • Commercial Buildings: Applied in commercial buildings such as offices, shops, and restaurants for circuit protection in lighting and power distribution systems.
  • Industrial Facilities: Utilized in industrial facilities for protecting control circuits, motors, and other electrical equipment.
  • HVAC Systems: Integrated into heating, ventilation, and air conditioning (HVAC) systems to protect motors and control circuits.
  • Automation Systems: Employed in automation systems and machinery for protecting control panels and electrical circuits.
  • Renewable Energy: Used in solar PV systems and wind turbines for circuit protection in renewable energy installations.

Benefits:

  • Overload and Short Circuit Protection: Provides reliable protection against both overload and short circuit currents, minimizing the risk of electrical fires and equipment damage.
  • Compact Design: Space-saving design allows for efficient use of panel space and easy installation in distribution boards.
  • DIN Rail Mounting: DIN rail mountable design simplifies installation and allows for flexible arrangement of circuit protection devices.
  • Wide Operating Temperature Range: Suitable for use in various environments with temperatures ranging from -25°C to +55°C.
  • Positive Contact Indication: Visual indication of the contact position enhances safety by allowing users to verify the status of the circuit breaker.
  • Manual Operation: Manual toggle switch enables easy testing and maintenance of the circuit breaker.

Considerations:

  • Compatibility: Ensure compatibility with the specific requirements of the electrical installation, including the rated current, voltage, and breaking capacity.
  • Tripping Characteristic: Select the appropriate tripping characteristic (e.g., B curve or C curve) based on the application’s requirements and the expected inrush currents.
  • Number of Poles: Choose the correct number of poles (e.g., single pole, double pole) to match the configuration of the circuit being protected.
  • Installation Environment: Consider the operating temperature range and environmental conditions of the installation location to ensure reliable performance.
  • Regulatory Compliance: Verify compliance with relevant standards and regulations for electrical installations in your region.

The Siemens 5SL6432-7BB miniature circuit breaker offers reliable protection against overload and short circuit currents in electrical installations, making it suitable for residential, commercial, and industrial applications.

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