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Siemens 3VA1225-1AA42-0AA0 250A 4-Pole Switch Disconnector

Siemens 3VA1225-1AA42-0AA0 250A 4-pole switch disconnector (SD100).

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ManufacturerSiemens

Part number3VA1225-1AA42-0AA0

Series 3VA1 IEC

Frame Size 250

Poles 4

Rated Current 250A

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4-pole isolation 250A rating IEC standard compliant Designed for safe electrical isolation Robust construction Includes nut keeper kit

Product description

The Siemens 3VA1225-1AA42-0AA0 is a 4-pole switch disconnector from the 3VA1 IEC frame series, with a rated current of 250A. This specific model, designated SD100, is designed for safe isolation of electrical circuits. It does not include integrated overload or short-circuit protection, making it ideal for applications where external protective devices are used or where manual isolation is the primary function.

This switch disconnector is suitable for use in main distribution boards, industrial control panels, and as a safety isolation device in various industrial and commercial applications. Its robust construction ensures reliable operation and compliance with IEC standards for switch disconnectors.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3VA1225-1AA42-0AA0. We provide reliable access to quality industrial components. Source your essential switch disconnectors from Stanlo Automation and ensure the safety and efficiency of your electrical systems.

Technical specifications

Series	3VA1 IEC
Frame Size	250
Poles	4
Rated Current	250A
Type	Switch Disconnector (SD100)
Protection	Without overload/short-circuit protection
Accessory	Nut keeper kit included

Common applications

Main power distribution

Industrial control panels

Electrical safety isolation

Machine disconnect

Switchgear assemblies

Commercial buildings

Compatible systems

Industrial electrical panels Standard switchgear assemblies Control systems requiring isolation

Also known as

Siemens 3VA Disconnector 250A 4 Pole Isolator 3VA1 250A Switch

Replaces / compatible with

This switch disconnector replaces older or existing isolation devices in 250A applications requiring 4-pole switching and manual isolation, often used in conjunction with separate protective devices.

Technical note

Expert tip

The 'nut keeper kit' included with the 3VA1225-1AA42-0AA0 is essential for secure mounting and preventing loosening under vibration in industrial settings.

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Frequently asked questions

Does the Siemens 3VA1225-1AA42-0AA0 include overload and short-circuit protection?

No, the Siemens 3VA1225-1AA42-0AA0 (SD100 version) does not include integrated overload or short-circuit protection. It functions solely as a switch disconnector for safe electrical isolation, and external protective devices are required for overcurrent protection.