Siemens 3RT12 Contactor, 220V, 240 V Coil, 3-Pole, 500 A, 250 kW 240V, 2 NO/2 NC, 400V

RS Stock No.:: 157-948
Mfr. Part No.:: 3RT1276-6AP36
Brand:: Siemens

Siemens 3RT12 Contactor, 220V, 240 V Coil, 3-Pole, 500 A, 250 kW 240V, 2 NO/2 NC, 400V

Subtotal (1 unit)*

Kr. 59 620,70

(exc. VAT)

Kr. 74 525,88

(inc. VAT)

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Ready to ship from 03 July 2026

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Units	Per unit
1 +	Kr. 59 620,70

*price indicative

RS Stock No.:: 157-948
Mfr. Part No.:: 3RT1276-6AP36
Brand:: Siemens

Specifications

Technical Reference

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	220, 240V
	Number of Poles	3
	Contact Voltage	400V
	Contact Current	500A
	Power Rating	250kW
	Series	3RT12
	Mount Type	Surface Mount
	Function	Safety
	Normal State Configuration	2 NO/2 NC
	Number of Auxiliary Contacts	4
	Auxiliary Contact Configuration	2 NO/2 NC
	Terminal Type	Screw
	Control Circuit Voltage Uc	240V
	Contactor Application	Safety
	Operational Current Ie	610A
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	60°C
	Depth	225mm
	Standards/Approvals	IEC 60529, IEC 61508-2, ISO 13849-1, ISO 13849-2
	Length	217mm
	Width	160mm
	Pole and Throw Configuration	3P

	Select all
	Brand Siemens
	Product Type Contactor
	Coil Voltage 220, 240V
	Number of Poles 3
	Contact Voltage 400V
	Contact Current 500A
	Power Rating 250kW
	Series 3RT12
	Mount Type Surface Mount
	Function Safety
	Normal State Configuration 2 NO/2 NC
	Number of Auxiliary Contacts 4
	Auxiliary Contact Configuration 2 NO/2 NC
	Terminal Type Screw
	Control Circuit Voltage Uc 240V
	Contactor Application Safety
	Operational Current Ie 610A
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 60°C
	Depth 225mm
	Standards/Approvals IEC 60529, IEC 61508-2, ISO 13849-1, ISO 13849-2
	Length 217mm
	Width 160mm
	Pole and Throw Configuration 3P

COO (Country of Origin):: DE

Siemens 3RT12 Series Contactor, 220 to 240V Coil Voltage, 500A Contact Current Rating - 3RT1276-6AP36

This contactor is an essential component in various electrical systems, designed for high-performance applications. As a robust 3-phase contactor, it operates efficiently within a Coil voltage range of 220 to 240 V. With a power rating of 250kW, it is particularly suitable for industrial settings, ensuring reliable control over electrical loads.

Features & Benefits

• Supports a contact current rating of 500A for high-demand usage
• Operates efficiently at a contact voltage rating of up to 1 kV
• Features a dual configuration of 2 NO + 2 NC for versatile control
• Equipped with 4 auxiliary contacts, enhancing functionality and control
• Utilises screw Terminal type for secure and reliable connections

Applications

• Utilised within industrial automation systems for motor control
• Effective in commercial electrical installations for load management
• Integrated into PLC systems for reliable switching operations
• Used in requiring high current management and performance

What are the operational limits regarding temperature for this device?

It functions effectively within a temperature range from -25°C to +60°C, making it suitable for various environmental conditions.

How many auxiliary contacts are available with this contactor?

It is equipped with 4 auxiliary contacts, which include 2 normally open and 2 normally closed configurations, allowing for enhanced functionality.

What is the significance of the contact current rating?

With a high current rating of 500A, it handles substantial electrical loads, making it Ideal for demanding industrial applications.

What is the benefit of using a screw Terminal type?

The screw Terminal design provides secure and stable connections, ensuring operational safety and reliability in electrical systems.