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Siemens 5ST2511 1-Pole Distribution Block - 400A, 690V

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ManufacturerSiemens

Part number5ST2511

Poles 1

Current Rating 400 A

Voltage Rating 690 V

Input Terminal 1x 95-185 mm²

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CAGE: 9NK75

Single-pole distribution 400A and 690V rating Extra-large input capacity (95-185mm²) Extensive output connections DIN rail mountable Industrial-grade

Product description

The Siemens 5ST2511 is an ultra-high capacity single-pole distribution block engineered for the most demanding industrial power distribution applications. It features a large input terminal designed for conductors ranging from 95 mm² up to 185 mm². The block provides a comprehensive set of output terminals: two for 2.5-25 mm², five for 2.5-16 mm², and four for 2.5-10 mm² conductors. Rated for an impressive 400A and 690V, it is designed for secure mounting on standard 35mm DIN rails.

This distribution block is indispensable for main power feeds, large transformer connections, and high-amperage distribution points in heavy industrial plants, substations, and large-scale machinery. Its exceptional current handling capability and multiple output options simplify the distribution of massive amounts of power reliably and safely.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens 5ST2511 distribution block. Equip your critical infrastructure with the highest capacity components, ensuring robust performance and availability from a trusted supplier.

Technical specifications

Poles	1
Current Rating	400 A
Voltage Rating	690 V
Input Terminal	1x 95-185 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 Feeds

Industrial Plants

Substations

Large Machinery

High Amperage Distribution

Transformer Connections

Compatible systems

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

Also known as

Siemens 400A distribution block 5ST2511 terminal block Siemens main power feed block

Replaces / compatible with

Designed for main power distribution in very high-amperage industrial systems. Replaces large busbar assemblies and complex main feeder setups.

Technical note

Expert tip

Installation of the 185 mm² input conductor requires specialized tools and expertise to ensure a safe, secure, and compliant connection at 400A.

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Frequently asked questions

What is the maximum conductor size the Siemens 5ST2511 distribution block can accept for its main input?

The Siemens 5ST2511 distribution block features a main input terminal capable of handling large conductors from 95 mm² up to 185 mm², with multiple output terminals for smaller gauge wires.