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Siemens 3TF2010-0DB4 Contactor with Diode/Varistor Attachability

Siemens 3TF2010-0DB4 Size S00 3-pole DC contactor.

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ManufacturerSiemens

Part number3TF2010-0DB4

Size S00

Poles 3

AC-3 Power 4 kW @ 400V

Coil Voltage 24 VDC

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Size S00 3-pole configuration AC-3 rated for 4kW 24 VDC coil 1 NO auxiliary contact Diode/Varistor attachable

Product description

The Siemens 3TF2010-0DB4 is a Size S00, 3-pole contactor rated for AC-3 4 kW at 400 V. It features screw terminals, a 24 V DC coil for direct current operation, and includes a 10E auxiliary switch (1 NO). This model is designed to accommodate a diode or varistor for surge suppression.

This contactor is ideal for industrial motor control applications where DC operation and protection against voltage spikes are required. The ability to attach a diode or varistor enhances its reliability in systems prone to electrical noise.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TF2010-0DB4. We specialize in providing essential industrial automation components, including hard-to-find parts. Trust Stanlo Automation for quality surplus Siemens contactors.

Technical specifications

Size	S00
Poles	3
AC-3 Power	4 kW @ 400V
Coil Voltage	24 VDC
Auxiliary Contacts	1 NO (10E)
Termination	Screw
Features	Diode/Varistor Attachable

Common applications

Motor control

Industrial automation

Control panels

Surge protection

Also known as

Siemens 3TF2010-0DB4 Contactor

Replaces / compatible with

This is a phased-out product. Its successor is the SIRIUS 3RT201 or 3TG10 series.

Technical note

Expert tip

When attaching a diode or varistor, ensure it is correctly oriented and rated for the specific application to provide optimal protection.

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Frequently asked questions

What protection features are available for the Siemens 3TF2010-0DB4 contactor?

The Siemens 3TF2010-0DB4 contactor is designed with the capability to attach a diode or varistor, providing essential surge suppression to protect the coil and connected circuitry from voltage spikes.