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Siemens 3TF4411-0BB4 Contactor Size 2, 3-Pole AC-3

Siemens 3TF4411-0BB4 Contactor Size 2

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ManufacturerSiemens

Part number3TF4411-0BB4

Size 2

Poles 3

Rating AC-3, 15kW @ 400/380V

Aux Contacts 11 (1NO+1NC)

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Size 2 Contactor 3-Pole AC-3 Rated 15kW Power Capacity 24V DC Coil 1NO+1NC Auxiliary Contacts Siemens Quality

Product description

The Siemens 3TF4411-0BB4 is a Size 2, 3-pole contactor rated for AC-3 duty with a power handling capacity of 15 kW at 400/380V. It features 11 auxiliary contacts (1 Normally Open + 1 Normally Closed) and is operated by a 24V DC solenoid coil, providing reliable switching for motor control and power applications.

This contactor is commonly used in motor control circuits, power distribution systems, and automation applications across various industries, including manufacturing, material handling, and HVAC systems. Its robust design ensures long service life and dependable operation.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3TF4411-0BB4. We are committed to providing our customers with high-quality components at competitive prices, ensuring your electrical and automation systems remain operational and efficient.

Technical specifications

Size	2
Poles	3
Rating	AC-3, 15kW @ 400/380V
Aux Contacts	11 (1NO+1NC)
Coil Voltage	24V DC

Common applications

Motor Control

Power Distribution

HVAC Systems

Manufacturing

Material Handling

Industrial Automation

Compatible systems

Standard industrial control panels and power distribution systems with 24V DC control voltage.

Also known as

Siemens 15kW Contactor 3TF Series Contactor

Replaces / compatible with

Compatible with Siemens 3TF series accessories and control circuits requiring equivalent specifications.

Technical note

Expert tip

When installing the Siemens 3TF4411-0BB4 contactor, ensure the control circuit voltage precisely matches the 24V DC coil requirement to prevent damage or improper operation.

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Frequently asked questions

What is the coil voltage for the Siemens 3TF4411-0BB4 contactor?

The Siemens 3TF4411-0BB4 contactor is equipped with a 24V DC solenoid coil. This ensures reliable operation when powered by a compatible DC control voltage source.