Home › Manufacturers › Siemens › 3TF4122-0A

Siemens

Siemens 3TF4122-0A 3-Pole AC-3 Contactor - 5.5kW

Siemens 3TF4122-0A 3-Pole AC-3 Contactor with 2NO/2NC Aux

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3TF4122-0A

Poles 3

AC-3 Rating 5.5kW @ 400/380V

Auxiliary Contacts 2 NO + 2 NC

Series 3TF4

Get a price for 3TF4122-0A

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

3-Pole Configuration AC-3 Duty Rating 5.5kW Power Capacity Integrated 2 NO + 2 NC Auxiliary Contacts Siemens 3TF4 Series Performance

Product description

The Siemens 3TF4122-0A is a 3-pole AC-3 rated contactor from the widely recognized 3TF4 series. This unit is designed for controlling AC motors and other loads up to 5.5kW at 400/380V. It comes equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, offering enhanced control and signaling capabilities for complex applications.

This contactor is suitable for a variety of industrial applications, including motor control, pump stations, and HVAC systems where multiple auxiliary contacts are required for advanced control logic or status feedback.

Stanlo Automation, a veteran-owned surplus parts distributor, is your reliable source for the Siemens 3TF4122-0A. We provide quality industrial components to keep your operations running efficiently.

Technical specifications

Poles	3
AC-3 Rating	5.5kW @ 400/380V
Auxiliary Contacts	2 NO + 2 NC
Series	3TF4

Common applications

Motor Control

Pump Stations

HVAC Systems

Industrial Automation

Control Logic

Status Feedback

Compatible systems

Compatible with Siemens overload relays and systems designed for the 3TF4 series.

Also known as

Siemens Contactor 3TF4122-0A 3TF41220A

Replaces / compatible with

This contactor is a direct replacement for Siemens 3TF4122-0A and is suitable for applications requiring 3-pole switching with 2NO/2NC auxiliary contacts.

Technical note

Expert tip

The presence of 4 auxiliary contacts (2NO/2NC) allows for more complex control schemes and interlocks in automated systems.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the power rating and auxiliary contact configuration of the Siemens 3TF4122-0A?

The Siemens 3TF4122-0A is rated for 5.5kW at 400/380V in AC-3 applications and features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.