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Siemens 3TF3100-0BB4 3-Pole Contactor (DC 24V)

Siemens 3TF3100-0BB4 3-Pole Contactor, DC 24V

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ManufacturerSiemens

Part number3TF3100-0BB4

Manufacturer Siemens

Part Number 3TF3100-0BB4

Size 00

Poles 3

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3-Pole Contactor Size 00 AC-3 Rated for 5.5kW DC 24V Coil Plug-on Auxiliary Contact Blocks Possible Robust Construction

Product description

The Siemens 3TF3100-0BB4 is a Size 00, 3-pole contactor rated for AC-3 duty at 5.5kW (400/380V). It operates on a DC 24V coil and does not include auxiliary contacts, though auxiliary contact blocks can be plugged on. This configuration is ideal for applications where only main power switching is required and auxiliary functions are handled separately.

This contactor is commonly used for switching motor loads, heating circuits, and other power loads in industrial control panels, building automation, and machinery. Its robust design ensures reliable operation for frequent switching cycles.

Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Siemens 3TF3100-0BB4. We provide quality components at competitive prices, ensuring you can source essential parts to keep your automation systems running efficiently.

Technical specifications

Manufacturer	Siemens
Part Number	3TF3100-0BB4
Size	00
Poles	3
Rating	AC-3, 5.5kW @ 400/380V
Coil Voltage	DC 24V
Auxiliary Contacts	None (plug-on blocks available)

Common applications

Motor Control

Power Switching

Industrial Control Panels

Automation Systems

HVAC

Pump Control

Compatible systems

Siemens Control Systems, Industrial Control Panels

Also known as

Siemens Contactor Size 00

Replaces / compatible with

This contactor is designed for general-purpose power switching and motor control applications within Siemens automation architectures. It replaces basic switching functions where auxiliary contacts are not integrated.

Technical note

Expert tip

Note that this specific model does not include integrated auxiliary contacts; they must be ordered and attached separately if required for control logic.

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Frequently asked questions

What is the coil voltage and rating of the Siemens 3TF3100-0BB4 contactor?

The Siemens 3TF3100-0BB4 contactor features a DC 24V coil and is rated for AC-3 duty at 5.5kW for voltages up to 400/380V. It is a 3-pole contactor of Size 00.