RS Better World

Siemens 3RT1 Contactor, 127V Coil, 3-Pole, 115 A, 55 kW 127V, 2 NO/2 NC, 1kV

RS Stock No.:: 210-4418
Mfr. Part No.:: 3RT1054-1AF36
Brand:: Siemens

Siemens 3RT1 Contactor, 127V Coil, 3-Pole, 115 A, 55 kW 127V, 2 NO/2 NC, 1kV

Subtotal (1 unit)*

$1,524.79

(exc. GST)

$1,677.27

(inc. GST)

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In Stock

Plus 5 unit(s) shipping from 10 August 2026

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Units	Per unit
1 +	$1,524.79

*price indicative

Our Better World range features products that make it easy for you to make a greener product choice you can trust.

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RS Stock No.:: 210-4418
Mfr. Part No.:: 3RT1054-1AF36
Brand:: 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	127V
	Number of Poles	3
	Contact Voltage	1kV
	Contact Current	115A
	Series	3RT1
	Power Rating	55kW
	Function	Safety
	Mount Type	Screw
	Normal State Configuration	2 NO/2 NC
	Auxiliary Contact Configuration	2 NO/2 NC
	Number of Auxiliary Contacts	4
	Terminal Type	Screw
	Control Circuit Voltage Uc	127V
	Operational Current Ie	115A
	Minimum Operating Temperature	-25°C
	Contactor Application	Safety
	Maximum Operating Temperature	60°C
	Length	172mm
	Width	120mm
	Depth	170mm
	Standards/Approvals	CCC, CSA, EAC, UL
	Better World Product	Yes
	Better World Claim	Repairable by the End User
	Pole and Throw Configuration	DPDT

	Select all
	Brand Siemens
	Product Type Contactor
	Coil Voltage 127V
	Number of Poles 3
	Contact Voltage 1kV
	Contact Current 115A
	Series 3RT1
	Power Rating 55kW
	Function Safety
	Mount Type Screw
	Normal State Configuration 2 NO/2 NC
	Auxiliary Contact Configuration 2 NO/2 NC
	Number of Auxiliary Contacts 4
	Terminal Type Screw
	Control Circuit Voltage Uc 127V
	Operational Current Ie 115A
	Minimum Operating Temperature -25°C
	Contactor Application Safety
	Maximum Operating Temperature 60°C
	Length 172mm
	Width 120mm
	Depth 170mm
	Standards/Approvals CCC, CSA, EAC, UL
	Better World Product Yes
	Better World Claim Repairable by the End User
	Pole and Throw Configuration DPDT

COO (Country of Origin):: DE

Siemens size S6, 3RT1 Series Contactor, 3 Poles, 115A Current - 3RT1054-1AF36

This contactor is a robust and efficient industrial solution designed to manage electrical circuits with precision. Part of the SIRIUS With dimensions of 120mm in width and 170mm in depth, it is suitable for surface mounting and provides excellent performance across various conditions.

Features & Benefits

• Supports a control voltage range of 110 to 127V AC/DC

• Compact design with a mounting width of 120mm

• High operational reliability with 10 million mechanical operating cycles

• Offers 2 normally open and 2 normally closed auxiliary contacts

• Compatible with screw terminal connections for secure installations

• Enhanced surge voltage resistance rated at 8kV for durability

Applications

• Suitable for motor control in industrial machinery

• Ideal for automation in manufacturing processes

• Utilised in HVAC systems for efficient operation

• Effective in control panels for streamlined electrical management

What type of mounting does this contactor support?

The contactor is designed for surface mounting, allowing easy installation on various surfaces. It can be mounted vertically and is adjustable within specified angles for optimal positioning.

What are the electrical characteristics relevant to motor applications?

It can manage a power rating of up to 55kW, making it ideal for controlling 3-phase motors and ensuring reliable operation in demanding applications.

What type of connections are provided for ease of installation?

The contactor features screw-type terminals for both the main current and control circuits, accommodating various conductor cross-sections for secure and flexible wiring arrangements.