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Siemens 3RT1044-1AK64 65A 3-Pole 110/120V AC Contactor w/ Aux

Siemens 3RT1044-1AK64 3-Pole AC Contactor w/ Aux Contacts

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ManufacturerSiemens

Part number3RT1044-1AK64

Amperage 65A (AC-3)

Power 30kW @ 400V

Poles 3

Coil Voltage 110V AC (50Hz) / 120V AC (60Hz)

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AC-3 rated 65A continuous current 30kW power rating 110/120V AC coil 2 NO + 2 NC auxiliary contacts Size S3

Product description

The Siemens 3RT1044-1AK64 is a 3-pole power contactor rated for AC-3 applications at 65A and 30kW at 400V. It features a 110V AC coil (50Hz) / 120V AC coil (60Hz) and comes with pre-installed 2 NO + 2 NC auxiliary contacts. This Size S3 contactor uses screw terminals and is part of the SIRIUS 3RT1 series.

This contactor is designed for industrial motor control and power switching, offering additional signaling capabilities with its integrated auxiliary contacts. The 65A rating and 30kW capacity suit various applications in manufacturing and automation. The SIRIUS 3RT1 series ensures dependable operation.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 3RT1044-1AK64. We provide high-quality, tested components to keep your operations running efficiently. Choose Stanlo for reliable sourcing and expert support in industrial automation.

Technical specifications

Amperage	65A (AC-3)
Power	30kW @ 400V
Poles	3
Coil Voltage	110V AC (50Hz) / 120V AC (60Hz)
Auxiliary Contacts	2 NO + 2 NC
Size	S3
Terminal Type	Screw
Series	SIRIUS 3RT1

Common applications

Motor control

Industrial automation

Power switching

Control panels

Signaling circuits

Compatible systems

Industrial control panels PLC systems Motor control centers

Also known as

Siemens SIRIUS 3RT1044-1AK64 3RT10441AK64 Siemens 65A Contactor w/ Aux

Replaces / compatible with

This product is phased out. The preferred successor is the SIRIUS 3RT2 series, specifically the 3RT2037-1AK64.

Technical note

Expert tip

The integrated auxiliary contacts provide additional signaling for control circuits, enhancing the contactor's utility in complex automation systems.

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Frequently asked questions

Does the Siemens 3RT1044-1AK64 come with auxiliary contacts?

Yes, the Siemens 3RT1044-1AK64 power contactor comes with pre-installed auxiliary contacts, specifically 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, in addition to its main power poles.