Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 1.1A, 1.6 A F.L.C, 1.6A Contact Rating, 0.55 kW 3

RS Stock No.:: 706-1535
Mfr. Part No.:: 3RU2116-1AB0
Brand:: Siemens

Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 1.1A, 1.6 A F.L.C, 1.6A Contact Rating, 0.55 kW 3

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£45.12

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£54.14

(inc. VAT)

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Plus 35 unit(s) shipping from 27 April 2026
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RS Stock No.:: 706-1535
Mfr. Part No.:: 3RU2116-1AB0
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	Thermal Overload Relay
	FLC Motor Rating	1.1, 1.6A
	Relay Contact Current	1.6A
	Mount Type	Direct
	Series	SIRIUS 3RU2
	Power Rating	0.55kW
	Pole and Throw Configuration	3
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP20
	Reset Method	Automatic & Manual
	Minimum Operating Temperature	-40°C
	Adjustable Current Range	1.1 to 1.6 A
	Width	45mm
	Number of Auxiliary Contacts	2
	Length	87mm
	Contact Voltage	690V ac
	Maximum Operating Temperature	70°C
	Standards/Approvals	CCC approved, IEC 60068-2-27, IEC 81346-2, CSA Approved, CE Approved, IEC 61508, IEC 60529, UL Approved, EAC Approved
	Depth	70mm

	Select all
	Brand Siemens
	Product Type Thermal Overload Relay
	FLC Motor Rating 1.1, 1.6A
	Relay Contact Current 1.6A
	Mount Type Direct
	Series SIRIUS 3RU2
	Power Rating 0.55kW
	Pole and Throw Configuration 3
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP20
	Reset Method Automatic & Manual
	Minimum Operating Temperature -40°C
	Adjustable Current Range 1.1 to 1.6 A
	Width 45mm
	Number of Auxiliary Contacts 2
	Length 87mm
	Contact Voltage 690V ac
	Maximum Operating Temperature 70°C
	Standards/Approvals CCC approved, IEC 60068-2-27, IEC 81346-2, CSA Approved, CE Approved, IEC 61508, IEC 60529, UL Approved, EAC Approved
	Depth 70mm

COO (Country of Origin):: DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 1.6A Contact Current Rating, 0.55kW Power Rating - 3RU2116-1AB0

This thermal overload relay is essential for providing electrical overload protection to motors, preventing damage from overheating. It ensures consistent operation within automation systems and is vital for safeguarding motors operating within the 1.1 to 1.6 A range, thereby enhancing efficiency in various industrial settings.

Features & Benefits

• Automatic reset function reduces downtime during operation

• Includes dual configurations with 1NO + 1NC contacts

• Supports voltages up to 690 V AC for a range of Applications

• Compact design with a width of 45mm optimises space

• Direct mounting provides stability for secure installation

• Utilises screw terminals for straightforward wiring and connectivity

Applications

• Protects motors in assembly lines

• Suitable for use in HVAC systems

• Prevents overheating in industrial machinery

• Ideal for conveyor systems requiring thermal protection

What is the operating temperature range for the device?

The operating temperature range is from -40 to +70°C, accommodating various environmental conditions.

Can it be utilised with different motor types?

Yes, it is compatible with a variety of motor types that fall within the specified current rating.

How does the automatic reset function operate?

The device automatically resets once a fault condition is cleared, enabling operation to resume without manual intervention.

What type of terminal connection does it have?

It features screw terminals, ensuring secure and reliable connections in the wiring setup.