Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 2.8A, 4 A F.L.C, 4A Contact Rating, 1.5 kW 3

RS Stock No.:: 706-1554
Distrelec Article No.:: 136-23-072
Mfr. Part No.:: 3RU2116-1EB0
Brand:: Siemens

Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 2.8A, 4 A F.L.C, 4A Contact Rating, 1.5 kW 3

Subtotal (1 unit)*

Kr. 891,98

(exc. VAT)

Kr. 1 114,98

(inc. VAT)

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Plus 17 unit(s) shipping from 27 April 2026
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Units	Per unit
1 +	Kr. 891,98

*price indicative

RS Stock No.:: 706-1554
Distrelec Article No.:: 136-23-072
Mfr. Part No.:: 3RU2116-1EB0
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
	FLC Motor Rating	2.8, 4A
	Product Type	Thermal Overload Relay
	Relay Contact Current	4A
	Series	SIRIUS 3RU2
	Mount Type	Direct
	Pole and Throw Configuration	3
	Power Rating	1.5kW
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	Reset Method	Automatic & Manual
	IP Rating	IP20
	Minimum Operating Temperature	-40°C
	Number of Auxiliary Contacts	2
	Adjustable Current Range	2.8 to 4 A
	Width	45mm
	Maximum Operating Temperature	70°C
	Length	87mm
	Contact Voltage	690V ac
	Depth	70mm
	Standards/Approvals	UL Approved, IEC 81346-2, IEC 61508, EAC Approved, IEC 60529, IEC 60068-2-27, CCC approved, CE Approved, CSA Approved

	Select all
	Brand Siemens
	FLC Motor Rating 2.8, 4A
	Product Type Thermal Overload Relay
	Relay Contact Current 4A
	Series SIRIUS 3RU2
	Mount Type Direct
	Pole and Throw Configuration 3
	Power Rating 1.5kW
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	Reset Method Automatic & Manual
	IP Rating IP20
	Minimum Operating Temperature -40°C
	Number of Auxiliary Contacts 2
	Adjustable Current Range 2.8 to 4 A
	Width 45mm
	Maximum Operating Temperature 70°C
	Length 87mm
	Contact Voltage 690V ac
	Depth 70mm
	Standards/Approvals UL Approved, IEC 81346-2, IEC 61508, EAC Approved, IEC 60529, IEC 60068-2-27, CCC approved, CE Approved, CSA Approved

COO (Country of Origin):: DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 4A Contact Current Rating, 1.5kW Power Rating - 3RU2116-1EB0

This thermal overload relay provides essential protection for motors in various industrial settings, preventing overheating that can lead to significant damage and downtime. It is vital for maintaining system integrity and operational efficiency, making it a key component in electric motor accessories.

Features & Benefits

• Adjustable overload settings for customised motor protection

• Automatic and manual reset options for operational flexibility

• Screw terminals for secure electrical connections

• Two auxiliary contacts for enhanced functionality

Applications

• Designed for three-phase motors requiring thermal overload protection

• Suitable for direct mounting to contactors in electrical systems

• Ideal for environments exposed to temperature extremes

• Commonly used in automation and control circuit installations

How can I adjust the overload settings?

Overload settings can be adjusted via the accessible control interface, allowing for tailored protection based on specific motor needs.

What types of motors can this be used with?

It is compatible with various three-phase motors, accommodating a current range of 2.8 to 4A.

Is installation straightforward?

Yes, installation is made easy with screw terminals that ensure secure connections to the electrical circuit.

What are the implications of using this product in extreme temperatures?

Its robust design allows for reliable operation within a temperature range of -40 to +70°C, making it suitable for a variety of environments.