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Siemens 3TF5222-0AK6 Size 8 3-Pole Contactor - 90kW, 120V AC Coil

Siemens Size 8, 3-Pole AC Contactor, 90kW, with 120V AC coil and 2NO+2NC aux contacts.

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ManufacturerSiemens

Part number3TF5222-0AK6

Part Number 3TF5222-0AK6

Manufacturer Siemens

Type Contactor

Size 8

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3-Pole AC-3 Contactor 90kW Power Rating 120V AC / 110V AC Coil 2NO + 2NC Auxiliary Contacts Size 8 Frame Heavy-Duty Industrial Switching

Product description

The Siemens 3TF5222-0AK6 is a Size 8, 3-pole AC-3 Contactor engineered for significant industrial power applications. It offers a substantial power rating of 90kW at 400/380V and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The coil is designed for AC operation at 120V (60Hz) or 110V (50Hz).

This high-capacity contactor is ideal for controlling large industrial motors, switching heavy loads, and serving as a main line contactor in large automation systems. It is commonly found in sectors such as heavy manufacturing, power generation, and large-scale infrastructure projects.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3TF5222-0AK6. We ensure quality and availability for your critical components, providing cost-effective solutions for your operational needs.

Technical specifications

Part Number	3TF5222-0AK6
Manufacturer	Siemens
Type	Contactor
Size	8
Poles	3
AC-3 Rating	90kW
Voltage	400/380V
Auxiliary Contacts	2NO+2NC
Coil Voltage	120V AC 60Hz / 110V AC 50Hz
Operation	AC

Common applications

Large Motor Control

High-Power Load Switching

Industrial Power Distribution

Heavy Manufacturing

Automation Systems

Power Generation

Compatible systems

Designed for integration into heavy industrial control panels and automation systems that require high-capacity switching with a 110/120V AC coil.

Also known as

Siemens 3TF5222-AK6 3TF5222 Siemens Size 8 Contactor

Replaces / compatible with

This contactor is part of the Siemens 3TF series and is designed for higher power ratings than smaller frame sizes. Consult Siemens documentation for specific application suitability.

Technical note

Expert tip

Ensure the control circuit voltage precisely matches either the 120V 60Hz or 110V 50Hz rating to prevent coil damage.

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Frequently asked questions

What is the coil voltage for the Siemens 3TF5222-0AK6 size 8 contactor?

The Siemens 3TF5222-0AK6 features an AC coil that operates at 120V AC (60Hz) or 110V AC (50Hz), providing compatibility with standard industrial power supplies for control circuits.