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Siemens 3RT2 Contactor, 24V dc Coil, 3-Pole, 32 A, 15 kW 24V dc, 3 NO, 400V ac

RS stock no.:: 861-3339
Mfr. Part No.:: 3RT2027-1BB44-3MA0
Manufacturer:: Siemens

Siemens 3RT2 Contactor, 24V dc Coil, 3-Pole, 32 A, 15 kW 24V dc, 3 NO, 400V ac

Subtotal (1 unit)*

R 4 475,37

(exc. VAT)

R 5 146,68

(inc. VAT)

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Plus 4 unit(s) shipping from 01 June 2026

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Units	Per unit
1 +	R 4,475.37

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RS stock no.:: 861-3339
Mfr. Part No.:: 3RT2027-1BB44-3MA0
Manufacturer:: Siemens

Specification

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	24V dc
	Number of Poles	3
	Contact Voltage	400V ac
	Contact Current	32A
	Power Rating	15kW
	Series	3RT2
	Function	Motor Control
	Mount Type	Snap-On
	Normal State Configuration	3 NO
	Number of Auxiliary Contacts	4
	Auxiliary Contact Configuration	2 NO/2 NC
	Terminal Type	Screw Clamp
	Control Circuit Voltage Uc	24V dc
	Contactor Application	Motor Control
	Minimum Operating Temperature	-25°C
	Operational Current Ie	32A
	Maximum Operating Temperature	60°C
	Standards/Approvals	VDE, UL, UKCA, RoHS, EAC, CSA, CCC
	Width	85mm
	Length	85mm
	Depth	151mm
	Better World Product	Yes
	Better World Claim	Low Carbon Manufacture
	Pole and Throw Configuration	3PST

	Select all
	Brand Siemens
	Product Type Contactor
	Coil Voltage 24V dc
	Number of Poles 3
	Contact Voltage 400V ac
	Contact Current 32A
	Power Rating 15kW
	Series 3RT2
	Function Motor Control
	Mount Type Snap-On
	Normal State Configuration 3 NO
	Number of Auxiliary Contacts 4
	Auxiliary Contact Configuration 2 NO/2 NC
	Terminal Type Screw Clamp
	Control Circuit Voltage Uc 24V dc
	Contactor Application Motor Control
	Minimum Operating Temperature -25°C
	Operational Current Ie 32A
	Maximum Operating Temperature 60°C
	Standards/Approvals VDE, UL, UKCA, RoHS, EAC, CSA, CCC
	Width 85mm
	Length 85mm
	Depth 151mm
	Better World Product Yes
	Better World Claim Low Carbon Manufacture
	Pole and Throw Configuration 3PST

Exempt

COO (Country of Origin):: DE

Siemens size S0, 3RT2 Series Contactor, 24V DC Control Voltage, 32A Contact Current Rating - 3RT2027-1BB44-3MA0

This is a low voltage contactor designed for industrial applications, featuring a 3-pole configuration and rated for 32A contact current. The compact dimensions of 85mm in length, 45mm in width, and 151mm in depth make it suitable for installation in confined spaces. It operates efficiently at a coil voltage of 24V DC, making it ideal for a wide range of automation requirements.

Features & Benefits

• Designed for 3 poles, providing dependable operation

• Rated for 32A contact current supporting substantial loads

• Auxiliary contacts configuration of 2NO + 2NC improves functionality

• Shock resistant, handling mechanical impacts effectively

• DIN rail mounted for easy installation and maintenance

Applications

• Used in automation control panels

• Suitable for motor control in machinery and equipment

• Ideal for switching in manufacturing processes

• Used in HVAC systems for reliable operation

What are the temperature limits for safe operation?

It can function within a wide temperature range of -25°C to +60°C, making it versatile for different environments.

How does the 24V DC coil benefit its operation?

Using a 24V DC coil reduces energy consumption while maintaining effective control, making it suitable for low voltage applications.

What type of auxiliary contacts can be integrated with this product?

It supports 2 normally open and 2 normally closed auxiliary contacts, enhancing circuit flexibility for various applications.

How many mechanical operating cycles can this contactor handle?

It is capable of withstanding approximately 10 million mechanical operating cycles, ensuring longevity and reliability in demanding settings.