RS Better World

Siemens 3RT2 Contactor, 110V ac Coil, 3-Pole, 80 A, 37 kW 120V ac, 1 NO/1 NC, 400V ac

RS Stock No.:: 210-3287
Mfr. Part No.:: 3RT2045-1AK60
Manufacturer:: Siemens

Siemens 3RT2 Contactor, 110V ac Coil, 3-Pole, 80 A, 37 kW 120V ac, 1 NO/1 NC, 400V ac

Subtotal (1 unit)*

SGD1,036.41

(exc. GST)

SGD1,129.69

(inc. GST)

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Temporarily out of stock

Shipping from 23 October 2026

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Units	Per unit
1 +	SGD1,036.41

*price indicative

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RS Stock No.:: 210-3287
Mfr. Part No.:: 3RT2045-1AK60
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Contactor
	Coil Voltage	110V ac
	Number of Poles	3
	Contact Voltage	400V ac
	Contact Current	80A
	Series	3RT2
	Power Rating	37kW
	Mount Type	Snap-On
	Function	Motor Control, Reversing
	Normal State Configuration	1 NO/1 NC
	Auxiliary Contact Configuration	1 NO/1 NC
	Number of Auxiliary Contacts	2
	Terminal Type	Screw Clamp
	Contactor Application	Motor Control
	Minimum Operating Temperature	-25°C
	Control Circuit Voltage Uc	120V ac
	Operational Current Ie	80A
	Maximum Operating Temperature	60°C
	Width	70mm
	Length	140mm
	Depth	152mm
	Standards/Approvals	CSA, UL, EAC, CCC
	Better World Claim	Low Carbon Manufacture
	Better World Product	Yes
	Pole and Throw Configuration	3P

	Select all
	Brand Siemens
	Product Type Contactor
	Coil Voltage 110V ac
	Number of Poles 3
	Contact Voltage 400V ac
	Contact Current 80A
	Series 3RT2
	Power Rating 37kW
	Mount Type Snap-On
	Function Motor Control, Reversing
	Normal State Configuration 1 NO/1 NC
	Auxiliary Contact Configuration 1 NO/1 NC
	Number of Auxiliary Contacts 2
	Terminal Type Screw Clamp
	Contactor Application Motor Control
	Minimum Operating Temperature -25°C
	Control Circuit Voltage Uc 120V ac
	Operational Current Ie 80A
	Maximum Operating Temperature 60°C
	Width 70mm
	Length 140mm
	Depth 152mm
	Standards/Approvals CSA, UL, EAC, CCC
	Better World Claim Low Carbon Manufacture
	Better World Product Yes
	Pole and Throw Configuration 3P

COO (Country of Origin):: DE

Siemens size S3, 3RT2 Series Contactor, 110V AC Coil Voltage, 3 Poles - 3RT2045-1AK60

This contactor is designed for robust performance in various electrical applications. The product is a compact 3-pole contactor, accommodating a coil voltage of 110V AC and featuring dimensions of 140mm in length, 70mm in width, and 152mm in depth. Ideal for heavy-duty applications, it ensures efficient regulation of electrical circuits.

Features & Benefits

• Combines low carbon manufacturing with high efficiency

• Rated for 80A and power output of 37kW

• Multi-functional reversing capabilities for versatile requirements

• Designed for easy mounting on DIN rail

Applications

• Utilised for motor control in industrial automation systems

• Effective in systems requiring reversing motor functions

• Suitable for HVAC equipment control and management

• Ideal for starter in various machinery

What auxiliary contacts does this device include?

The device is equipped with 2 auxiliary contacts, consisting of 1 normally open (NO) and 1 normally closed (NC), allowing for versatile control functionalities in electrical circuits.

How does it perform under extreme temperatures?

This product operates efficiently within a temperature range of -25°C to +60°C, making it suitable for varied environmental conditions often encountered in industrial settings.

What type of terminals are used for connections?

Connections are facilitated through screw-type terminals for both main and auxiliary circuits, ensuring secure and reliable electrical connections.

What is the expected mechanical service life of this contactor?

The contactor boasts a mechanical service life of approximately 10 million operating cycles, indicating durability and reliability across extensive usage.