Siemens 5ST2501 4-Pole Distribution Block 80A 690V

The Siemens 5ST2501 is a high-performance 4-pole distribution block engineered for efficient electrical power distribution within industrial and commercial switchgear environments. Designed to integrate seamlessly with residual current devices and miniature circuit breakers, this unit facilitates organized and reliable wiring configurations in electrical distribution boards. With a robust rating of 80A and 690V, it provides a secure connection point for various cable cross-sections, ensuring consistent performance in demanding electrical systems.

Advantages

This distribution block offers significant benefits for electrical installations by providing a centralized point for power distribution, which reduces clutter and improves the clarity of wiring within a panel. Its design prioritizes safety through integrated touch protection, minimizing the risk of accidental contact during maintenance or operation. The unit is built for convenience, allowing for quick and straightforward installation on standard DIN rails, which saves valuable time during the assembly of complex switchgear systems. By utilizing optimized Siemens technology, the block ensures long-term reliability and durability in various operational conditions.

Suitable for

• Industrial switchgear power distribution
• Commercial electrical distribution boards
• Integration with residual current devices
• Connection of miniature circuit breakers
• Organized cable management in control panels

When it may not be suitable

This distribution block is not intended for use in high-current applications exceeding its 80A rating or in environments where voltage levels surpass 690V. It is also not suitable for direct outdoor installation without an appropriate protective enclosure that meets the necessary IP rating requirements.

Key specifications

• Number of poles: 4
• Rated current: 80 A
• Rated voltage: 690 V
• Input capacity: 1 x 2.5-16 mm²
• Output capacity: 8 x 1.5-10 mm²
• Mounting type: DIN-rail

How to use

To install the Siemens distribution block, securely snap the unit onto a standard DIN rail within your distribution board. Ensure the power supply is disconnected before beginning any wiring work. Insert the main power cable into the designated input terminal and tighten the screws to the recommended torque to ensure a solid electrical connection. Connect the secondary load cables into the output terminals, ensuring each wire is properly stripped and seated. Verify all connections are tight and that the touch protection covers are correctly positioned before restoring power to the system.

What to consider before purchase

• Verify that the total current load of your circuit does not exceed 80A.
• Ensure the cable cross-sections of your wiring match the input and output terminal capacities.
• Confirm that your distribution board has sufficient space on the DIN rail for the block dimensions.
• Check that the installation environment is dry and protected from environmental elements.

Usage recommendations: Always adhere to local electrical codes and safety regulations during installation. Regularly inspect the terminal connections for tightness during routine maintenance to prevent overheating and ensure optimal electrical conductivity.