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Siemens TI305-21N Contactor – 21A, 24V AC Coil

Siemens TI305-21N 3-pole contactor, 21A, 24V AC coil.

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ManufacturerSiemens

Part numberTI305-21N

Poles 3

Current Rating 21A

Coil Voltage 24V AC

Series TI305

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Veteran-owned

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3-pole design 21A continuous current rating 24V AC coil High reliability Industrial grade DIN rail mountable

Product description

The Siemens TI305-21N is a 3-pole industrial contactor delivering reliable performance for demanding applications. It features a 21A continuous current rating and operates with a 24V AC coil, making it suitable for a wide range of power control needs. Engineered by Siemens for durability and consistent operation.

This contactor is ideal for controlling motors, heating elements, and other high-power loads in manufacturing plants, building automation systems, and process industries. Its robust design ensures longevity even in challenging operational conditions.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, ensures you get the Siemens TI305-21N at a competitive price. We help reduce your MRO costs and keep your equipment running efficiently.

Technical specifications

Poles	3
Current Rating	21A
Coil Voltage	24V AC
Series	TI305
Mounting	DIN Rail
Frame Size	N

Common applications

Motor control

Industrial machinery

HVAC systems

Lighting control

Pump applications

Automation systems

Compatible systems

PLC controlled systems Industrial electrical panels Motor control circuits Building automation

Also known as

Siemens 3-pole 21A Contactor TI305 24VAC Contactor Siemens TI305-21N Industrial Contactor 21A

Replaces / compatible with

Designed to replace specific Siemens TI305 series contactors with a 21A rating and 24V AC coil. Refer to Siemens documentation for exact compatibility.

Technical note

Expert tip

Ensure the ambient temperature is within the specified operating range for the 21A rating to be maintained accurately. Use appropriately sized conductors for the 21A load.

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Frequently asked questions

What is the continuous current rating of the Siemens TI305-21N contactor?

The Siemens TI305-21N contactor has a continuous current rating of 21 Amps. This rating indicates the maximum current it can safely handle over extended periods of operation.