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Siemens 3RT1024-1AN24 SIRIUS Contactor with 2NO+2NC

Siemens 3RT1024-1AN24 SIRIUS 3-pole contactor with 2NO+2NC.

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ManufacturerSiemens

Part number3RT1024-1AN24

Poles 3

AC-3 Current 12A

AC-3 Power 5.5kW @ 400V

Coil Voltage 220VAC 50/60Hz

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3-pole main contacts 12A AC-3 rating 2 NO + 2 NC auxiliary contacts 220V AC coil Screw terminals DIN rail mountable

Product description

The Siemens 3RT1024-1AN24 is a 3-pole SIRIUS power contactor featuring 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, in addition to its main power switching capability. It is rated for AC-3 applications at 12A and 5.5 kW at 400V, with a coil voltage of 220V AC operating on 50Hz or 60Hz. This Size S0 contactor uses screw terminals and is designed for easy DIN rail mounting.

This contactor is ideal for applications requiring both power switching and auxiliary signaling, such as motor control circuits with feedback or interlocking functions. It is commonly used in control panels for machinery, industrial automation, and building services.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3RT1024-1AN24, ensuring you receive reliable components for your critical systems. Trust us for quality parts and dedicated customer service.

Technical specifications

Poles	3
AC-3 Current	12A
AC-3 Power	5.5kW @ 400V
Coil Voltage	220VAC 50/60Hz
Aux Contacts	2 NO + 2 NC
Size	S0
Termination	Screw

Common applications

Motor control with signaling

Interlocking circuits

Automation systems

Control panels

Machine safety

Building automation

Compatible systems

Compatible with Siemens SIRIUS 3RU11/3RB20 overload relays.

Also known as

Siemens SIRIUS Contactor 3RT1024 Contactor 12A 3-Pole Contactor with Aux

Replaces / compatible with

This product is phased out. The preferred successor is the SIRIUS 3RT2024-1AN24.

Technical note

Expert tip

The integrated 2 NO + 2 NC auxiliary contacts simplify wiring for control and signaling circuits, reducing the need for add-on auxiliary blocks in many applications.

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Frequently asked questions

Does the Siemens 3RT1024-1AN24 include auxiliary contacts?

Yes, the Siemens 3RT1024-1AN24 comes with integrated auxiliary contacts, specifically 2 normally open (NO) and 2 normally closed (NC) contacts. These are in addition to the main power switching poles.