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Siemens 5ST2508 1-Pole Distribution Block - 250A, 690V

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ManufacturerSiemens

Part number5ST2508

Poles 1

Current Rating 250 A

Voltage Rating 690 V

Input Terminal 1x 35-120 mm²

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Veteran-owned

CAGE: 9NK75

Single-pole distribution 250A and 690V rating Large input capacity (35-120mm²) Multiple output terminal sizes DIN rail mountable Heavy-duty industrial design

Product description

The Siemens 5ST2508 is a heavy-duty single-pole distribution block designed for the highest power distribution requirements in industrial settings. It features a substantial input terminal accepting conductors from 35 mm² up to 120 mm². The block offers multiple output terminals: two for 2.5-25 mm², five for 2.5-16 mm², and four for 2.5-10 mm² conductors. Rated for 250A and 690V, it mounts securely on standard 35mm DIN rails.

This distribution block is essential for main power distribution points, large motor feeders, and main electrical service entries in industrial facilities and heavy machinery. Its high current capacity and multiple output configurations simplify complex wiring and ensure a robust connection for various downstream components.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 5ST2508 distribution block. Trust us for reliable, high-capacity components to ensure the integrity and efficiency of your power distribution systems.

Technical specifications

Poles	1
Current Rating	250 A
Voltage Rating	690 V
Input Terminal	1x 35-120 mm²
Output Terminals	2x 2.5-25 mm², 5x 2.5-16 mm², 4x 2.5-10 mm²
Mounting	35mm DIN Rail

Common applications

Main Power Distribution

Industrial Plants

Large Machinery

Motor Feeder Blocks

Electrical Service Entrances

High Current Applications

Compatible systems

Compatible with standard 35mm DIN rail systems and conductors within specified ranges

Also known as

Siemens 250A distribution block 5ST2508 terminal block Siemens main power distribution block

Replaces / compatible with

Designed for main power consolidation in high-amperage industrial applications. Replaces extensive busbar systems or multiple feeder blocks.

Technical note

Expert tip

For the 120 mm² input conductor, ensure the use of appropriate crimping tools and lugs specified for this size to guarantee a secure and safe connection at 250A.

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Frequently asked questions

What are the conductor sizes supported by the multiple output terminals on the Siemens 5ST2508 distribution block?

The Siemens 5ST2508 offers diverse output options: two terminals for 2.5-25 mm², five for 2.5-16 mm², and four for 2.5-10 mm² conductors, alongside its single 35-120 mm² input.