Siemens 5SL6363-7 Miniature Circuit Breaker 3P 63A 6kA

The Siemens 5SL6363-7 is a high-quality 3-pole miniature circuit breaker engineered to provide dependable protection for electrical circuits. Designed to handle a rated current of 63A with a breaking capacity of 6kA, this device effectively safeguards electrical installations by automatically disconnecting the power supply in the event of an overload or short circuit. Its robust construction ensures reliable operation in both residential and industrial environments, making it a versatile component for modern electrical distribution systems.

Advantages

This miniature circuit breaker offers exceptional reliability and durability, consistent with the high standards of Siemens engineering. Its 3-pole configuration allows for the simultaneous protection of three phases, ensuring comprehensive coverage for complex electrical setups. The device is built to withstand demanding conditions, providing consistent performance and long-term safety for connected equipment and wiring. Its compact design facilitates easy installation in standard distribution boards, while its efficient breaking mechanism minimizes the risk of damage during electrical faults.

Suitable for

• Residential electrical distribution boards
• Industrial machinery and control panels
• Commercial building electrical systems
• Protection of AC and DC electrical circuits

When it may not be suitable

This circuit breaker is not intended for applications requiring a breaking capacity higher than 6kA, such as heavy industrial main distribution points where fault currents may exceed this threshold. It is also not suitable for environments with extreme moisture or corrosive gases unless housed in an appropriately rated protective enclosure.

Key specifications

• Number of poles: 3
• Rated current: 63A
• Breaking capacity: 6kA
• Compatibility: AC and DC systems

How to use

The Siemens 5SL6363-7 should be installed by a qualified electrician in accordance with local electrical regulations. It is designed for mounting onto a standard DIN rail within a distribution board or consumer unit. Ensure that the supply voltage and load requirements are compatible with the device specifications before installation. Once mounted, connect the incoming supply cables to the top terminals and the outgoing load cables to the bottom terminals, ensuring all connections are tightened to the manufacturer's specified torque settings.

What to consider before purchase

• Verify that the 63A rating matches your circuit load requirements
• Ensure the 6kA breaking capacity is sufficient for your installation's potential fault current
• Confirm that the 3-pole configuration is appropriate for your specific circuit type
• Check available space in your distribution board for a 3-module wide device

Usage recommendations

Regularly inspect the circuit breaker for any signs of physical damage or discoloration. It is recommended to test the device periodically to ensure the switching mechanism remains functional and that the electrical connections remain secure and free from oxidation.