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Siemens CONTACTOR SIZE 3 (3TF4722-0AF0) 3-Pole AC-3 30kW

Siemens Size 3, 3-Pole Contactor for AC-3 applications.

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ManufacturerSiemens

Part number3TF4722-0AF0

Type Contactor

Size 3

Poles 3-Pole

AC-3 Rating 30kW @ 400/380V

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Size 3 Rating 3-Pole Configuration 30kW AC-3 Power 2NO + 2NC Auxiliary Contacts AC Coil Operation Durable Construction

Product description

The Siemens 3TF4722-0AF0 is a robust Size 3, 3-pole contactor designed for AC-3 duty. It is rated for a power output of 30 kW at 400/380V and features auxiliary contacts comprising 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. The coil operates on AC voltage, with ratings of 110V at 50Hz and 132V at 60Hz.

This contactor is ideal for controlling and switching electric motors, heating systems, and other high-power loads in industrial settings. Its durable construction ensures reliable operation in demanding environments, making it suitable for applications in manufacturing plants, material handling, and building services.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3TF4722-0AF0 contactor and a wide array of surplus industrial automation parts. Choose us for quality components, competitive pricing, and reliable service to keep your operations powered.

Technical specifications

Type	Contactor
Size	3
Poles	3-Pole
AC-3 Rating	30kW @ 400/380V
Auxiliary Contacts	2NO + 2NC
Coil Voltage	AC 110V 50Hz / AC 132V 60Hz

Common applications

Motor Control

Industrial Loads

Power Switching

Manufacturing Equipment

HVAC Systems

Control Panels

Compatible systems

AC Motor Control Industrial Control Panels Power Distribution Systems

Also known as

Siemens 3TF Contactor, 3TF4722 Contactor, Size 3 AC Contactor, 30kW Contactor

Replaces / compatible with

The Siemens 3TF series offers a range of industrial contactors. For specific compatibility or upgrade information, consult Siemens documentation.

Technical note

Expert tip

Ensure the coil voltage is correctly matched to your control circuit voltage (110V 50Hz or 132V 60Hz) to prevent premature failure.

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Frequently asked questions

What is the coil voltage and auxiliary contact configuration of the Siemens 3TF4722-0AF0 contactor?

The Siemens 3TF4722-0AF0 contactor has an AC coil voltage of 110V at 50Hz or 132V at 60Hz. It is equipped with 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts.