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Siemens 3TF2810-0LB4 Size S00 Contactor - 2.2 kW, 24VDC

Siemens 3TF2810-0LB4 Size S00 3-pole Contactor

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ManufacturerSiemens

Part number3TF2810-0LB4

Size S00

Poles 3

AC-3 Rating 2.2 kW/400 V

Coil Voltage 24 VDC

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Size S00 Contactor 3-Pole Configuration 2.2 kW AC-3 Rating 24 VDC Coil 1 NO Auxiliary Contact Integrated Varistor

Product description

The Siemens 3TF2810-0LB4 is a Size S00, 3-pole contactor rated for AC-3 duty at 2.2 kW and 400V. This model features screw terminals, a 1 NO auxiliary contact, and an integrated varistor for surge suppression. It operates on a 24 VDC direct current coil. This part is a phased-out product.

This contactor is designed for motor control and switching applications where DC control voltage is present. The built-in varistor provides protection against voltage spikes, enhancing system reliability. It's suited for use in industrial automation, machinery control, and building management systems.

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Technical specifications

Size	S00
Poles	3
AC-3 Rating	2.2 kW/400 V
Coil Voltage	24 VDC
Auxiliary Contacts	1 NO
Features	Built-in Varistor
Terminal Type	Screw

Common applications

Motor Control

DC Control Systems

Industrial Automation

Machinery Control

Building Management

Compatible systems

Designed for DC control circuits, compatible with standard industrial control panels and motor starters.

Also known as

Siemens 3TF2810L 3TF28100LB4 Siemens DC Contactor S00

Replaces / compatible with

This product has been phased out. The successor is SIRIUS 3RT201 or 3TG10.

Technical note

Expert tip

The integrated varistor in the 3TF2810-0LB4 provides essential transient voltage suppression, crucial for applications with sensitive downstream components or where power quality is a concern.

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Frequently asked questions

Does the Siemens 3TF2810-0LB4 contactor have surge protection?

Yes, the Siemens 3TF2810-0LB4 contactor features a built-in varistor for protection against voltage spikes, enhancing the reliability of the control circuit.