RS Better World

Siemens 3RT2 Contactor, 230V ac Coil, 3-Pole, 80 A, 37 kW 230V ac, 1 NO/1 NC, 400V ac

RS Stock No.:: 210-3279
Mfr. Part No.:: 3RT2038-1AL20
Manufacturer:: Siemens

Siemens 3RT2 Contactor, 230V ac Coil, 3-Pole, 80 A, 37 kW 230V ac, 1 NO/1 NC, 400V ac

Subtotal (1 unit)*

SGD743.75

(exc. GST)

SGD810.69

(inc. GST)

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In Stock

9 unit(s) ready to ship from another location
Plus 5 unit(s) shipping from 10 September 2026

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Units	Per unit
1 +	SGD743.75

*price indicative

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RS Stock No.:: 210-3279
Mfr. Part No.:: 3RT2038-1AL20
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	230V ac
	Number of Poles	3
	Contact Voltage	400V ac
	Contact Current	80A
	Power Rating	37kW
	Series	3RT2
	Mount Type	Snap-On
	Function	Motor Control, Reversing
	Normal State Configuration	1 NO/1 NC
	Number of Auxiliary Contacts	2
	Auxiliary Contact Configuration	1 NO/1 NC
	Terminal Type	Screw Clamp
	Contactor Application	Motor Control
	Operational Current Ie	80A
	Control Circuit Voltage Uc	230V ac
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	60°C
	Depth	130mm
	Length	114mm
	Width	55mm
	Standards/Approvals	UL, EAC, CSA, 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 230V ac
	Number of Poles 3
	Contact Voltage 400V ac
	Contact Current 80A
	Power Rating 37kW
	Series 3RT2
	Mount Type Snap-On
	Function Motor Control, Reversing
	Normal State Configuration 1 NO/1 NC
	Number of Auxiliary Contacts 2
	Auxiliary Contact Configuration 1 NO/1 NC
	Terminal Type Screw Clamp
	Contactor Application Motor Control
	Operational Current Ie 80A
	Control Circuit Voltage Uc 230V ac
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 60°C
	Depth 130mm
	Length 114mm
	Width 55mm
	Standards/Approvals UL, EAC, CSA, CCC
	Better World Claim Low Carbon Manufacture
	Better World Product Yes
	Pole and Throw Configuration 3P

COO (Country of Origin):: DE

Siemens size S2, 3RT2 Series Contactor, 3 Poles, 80A Current Rating - 3RT2038-1AL20

This contactor is designed for robust performance in various applications within the electrical and automation sectors. With a compact structure measuring 114mm in length, 55mm in width, and 130mm in depth, it features a 3-pole configuration, supporting a contact current rating of 80A at 400V AC. The coil operates at a voltage of 230V AC, making it suitable for a wide range of industrial applications.

Features & Benefits

• Supports a maximum power rating of 37 kW for efficient operation

• Features reversing functionality for versatile control

• Designed for DIN rail mounting for easy installation

• Operates effectively across a temperature range of -25°C to +60°C

• Reliable auxiliary contacts configuration enhances circuit versatility

Applications

• Utilised in motor control and automation systems

• Ideal for requiring reversing functionality

• Used in conjunction with various industrial machinery

• Suitable for controlling large loads and motors

• Effective in HVAC systems for efficient performance

What is the operational range for the control supply voltage?

The operational range for the control supply voltage is between 0.8 to 1.1 times the rated value at 50Hz and slightly higher at 60Hz, ensuring reliable performance within accepted parameters.

How many mechanical operating cycles can this contactor handle?

This contactor is rated for a mechanical service life of up to 10 million operating cycles, which provides significant longevity for continuous usage in demanding environments.

What are the insulation and surge voltage resistance ratings for the device?

The insulation voltage for the main and auxiliary circuits is rated at 690V, and it can withstand surge voltages up to 6kV, ensuring safety and reliability in varied conditions.