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Siemens 3RT2047-1AG20 S3 Power Contactor - 110A, 110V AC Coil

Siemens 3RT2047-1AG20 S3 power contactor, 110A, 110V AC coil.

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ManufacturerSiemens

Part number3RT2047-1AG20

Type Power Contactor

Part Number 3RT2047-1AG20

Manufacturer Siemens

Poles 3

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High current rating: 110A (AC-3e/AC-3) 55kW power capacity @ 400V 110V AC coil 1 NO + 1 NC auxiliary contacts Robust screw terminals Size S3

Product description

The Siemens 3RT2047-1AG20 is a 3-pole power contactor for AC-3e/AC-3 applications, rated for 110A and 55kW at 400V. It features a 110V AC coil with a frequency of 50/60 Hz. This model is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. Both the main circuit and the control/auxiliary circuits utilize screw terminals for connection. It is built in size S3.

This high-capacity power contactor is designed for heavy-duty industrial applications such as controlling large motors, capacitor banks, and other high-power loads. The 110V AC coil is common in many industrial control systems. Its robust construction ensures reliable operation in demanding environments found in manufacturing, processing, and energy sectors.

Stanlo Automation, a veteran-owned business specializing in industrial automation surplus, offers the Siemens 3RT2047-1AG20. We provide access to quality components at competitive prices, backed by reliable service to support your automation needs.

Technical specifications

Type	Power Contactor
Part Number	3RT2047-1AG20
Manufacturer	Siemens
Poles	3
AC-3e/AC-3 Current	110 A
Power @ 400V	55 kW
Coil Voltage	110 V AC, 50/60 Hz
Auxiliary Contacts	1 NO + 1 NC
Terminals	Screw
Size	S3

Common applications

Large motor control

Industrial power switching

Capacitor banks

Manufacturing automation

Heavy machinery

Power distribution

Compatible systems

Industrial motor control circuits operating on 110V AC

Also known as

Siemens 3RT2047-1AG20 Contactor SIRIUS 3RT2047-1AG20 Siemens 110A Contactor

Replaces / compatible with

The Siemens 3RT2047-1AG20 is a direct replacement for previous Siemens contactors of the same series and specifications, and can be used in systems requiring 110V AC control power.

Technical note

Expert tip

Ensure proper wire termination torque is applied to the screw terminals to guarantee a reliable and safe electrical connection for this high-current device.

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Frequently asked questions

What is the maximum power rating for the Siemens 3RT2047-1AG20 at 400V?

The Siemens 3RT2047-1AG20 power contactor is rated for a maximum power of 55 kW at 400V in AC-3e/AC-3 applications. This makes it suitable for controlling large industrial motors.