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Siemens 3KL7 NH Fuse Switch Disconnector - 3x 400A

Siemens 3KL7142-3AA00 NH Fuse Switch Disconnector, 3x 400A.

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ManufacturerSiemens

Part number3KL7142-3AA00

Poles 3

Rated Current 400A

Fuse Type NH

Series 3KL7

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-pole configuration High current rating (400A) NH fuse compatibility Robust industrial design Reliable disconnection

Product description

The Siemens 3KL7142-3AA00 is a 3-pole NH fuse switch disconnector from the 3KL7 series, designed for use with 400A NH fuse links. It operates without communication features, focusing on robust and reliable electrical isolation and protection. This unit ensures safe operational status in demanding industrial environments.

This fuse switch disconnector is ideal for applications requiring higher current handling, such as main power feeds, large motor circuits, and critical distribution points in manufacturing facilities, power plants, and heavy industry. Its reliable performance is key to safeguarding equipment and personnel.

Source your Siemens 3KL7142-3AA00 from Stanlo Automation, a trusted veteran-owned distributor specializing in surplus industrial automation parts. We offer quality, value, and dependable service to keep your operations running smoothly.

Technical specifications

Poles	3
Rated Current	400A
Fuse Type	NH
Series	3KL7
Communication	Sans Comm

Common applications

Main Power Feeds

Large Motor Circuits

High-Capacity Distribution

Heavy Industry

Power Generation

Compatible systems

Industrial electrical distribution systems

Also known as

Siemens 400A NH disconnector 3KL7 series fuse switch Siemens 3KL7142

Replaces / compatible with

This specific component is part of the Siemens 3KL7 series. For replacement queries, consult Siemens documentation for cross-compatibility.

Technical note

Expert tip

For applications exceeding 400A, consider larger fuse sizes or alternative switch disconnector models within the Siemens portfolio.

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Frequently asked questions

What is the amperage rating of the Siemens 3KL7142-3AA00 fuse switch disconnector?

The Siemens 3KL7142-3AA00 is rated for a maximum current of 400A. This makes it suitable for applications requiring high-capacity circuit protection and isolation.