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Siemens 3TF2211-0BB4 Size 00 Contactor w/ 1NO+1NC Aux

Siemens 3TF2211-0BB4 Size 00 Contactor w/ 1NO+1NC Aux.

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ManufacturerSiemens

Part number3TF2211-0BB4

Size 00

Poles 3

AC-3 Rating 4 kW/400 V

Coil Voltage 24 V DC

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Size 00 3-pole AC-3 rated 4kW/400V 24V DC coil 1 NO + 1 NC auxiliary contacts Screw terminals 45mm width

Product description

The Siemens 3TF2211-0BB4 is a Size 00, 3-pole contactor rated for AC-3 applications at 4 kW and 400 V. This unit operates on a 24 V DC coil and features screw terminals for connection. It is equipped with auxiliary switch contacts configured as 1 normally open (NO) and 1 normally closed (NC). The contactor is designed for DC operation and has a width of 45 mm. This product is phased-out, with successors including the SIRIUS 3RT201 or 3TG10 series.

This contactor is suitable for a variety of industrial control applications requiring a compact size and specific auxiliary contact configuration. It's commonly used in motor starters, control panels, and automation systems in industries like food and beverage processing, packaging machinery, and general manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, is your reliable source for legacy and obsolete industrial automation components. If you need to maintain or repair equipment utilizing the Siemens 3TF2211-0BB4, Stanlo Automation can provide the necessary parts, ensuring your operations continue without interruption.

Technical specifications

Size	00
Poles	3
AC-3 Rating	4 kW/400 V
Coil Voltage	24 V DC
Auxiliary Contacts	1 NO + 1 NC
Terminals	Screw
Width	45 mm
Operation	DC
Features	Phased-out

Common applications

Motor control

Control panels

Automation systems

Packaging machinery

Food processing

Manufacturing

Compatible systems

Control panels Motor starter circuits Automation systems

Also known as

Siemens 3TF2211-0BB4 Siemens Size 00 Contactor 3TF22110BB4

Replaces / compatible with

This is a phased-out product. The successor series is Siemens SIRIUS 3RT201 or 3TG10.

Technical note

Expert tip

The integrated auxiliary contacts (1 NO/1 NC) are useful for interlocking or signaling circuits. Verify coil voltage compatibility for DC operation.

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Frequently asked questions

What auxiliary contacts are included with the Siemens 3TF2211-0BB4 contactor?

The Siemens 3TF2211-0BB4 contactor is equipped with a built-in auxiliary switch block providing one normally open (NO) and one normally closed (NC) contact. It is a Size 00, 3-pole contactor with a 24V DC coil.