Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 3.5A, 5 A F.L.C, 5A Contact Rating, 1.5 kW 3P

RS Stock No.:: 706-1566
Mfr. Part No.:: 3RU2116-1FB0
Manufacturer:: Siemens

Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 3.5A, 5 A F.L.C, 5A Contact Rating, 1.5 kW 3P

Subtotal (1 unit)*

PHP6,515.15

(exc. VAT)

PHP7,296.97

(inc. VAT)

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Plus 8 unit(s) shipping from April 27, 2026
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Units	Per Unit
1 +	PHP6,515.15

*price indicative

RS Stock No.:: 706-1566
Mfr. Part No.:: 3RU2116-1FB0
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	Thermal Overload Relay
	FLC Motor Rating	3.5, 5A
	Relay Contact Current	5A
	Series	SIRIUS 3RU2
	Mount Type	Direct
	Power Rating	1.5kW
	Pole and Throw Configuration	3P
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP55, IP65
	Reset Method	Automatic & Manual
	Minimum Operating Temperature	-40°C
	Number of Auxiliary Contacts	2
	Width	45mm
	Adjustable Current Range	3.5 to 5 A
	Contact Voltage	690V ac
	Length	87mm
	Maximum Operating Temperature	70°C
	Depth	73mm
	Standards/Approvals	RoHS, WEEE (2012/19/EU), REACH, UL, UKCA, IEC, CCC, EAC, CE

	Select all
	Brand Siemens
	Product Type Thermal Overload Relay
	FLC Motor Rating 3.5, 5A
	Relay Contact Current 5A
	Series SIRIUS 3RU2
	Mount Type Direct
	Power Rating 1.5kW
	Pole and Throw Configuration 3P
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP55, IP65
	Reset Method Automatic & Manual
	Minimum Operating Temperature -40°C
	Number of Auxiliary Contacts 2
	Width 45mm
	Adjustable Current Range 3.5 to 5 A
	Contact Voltage 690V ac
	Length 87mm
	Maximum Operating Temperature 70°C
	Depth 73mm
	Standards/Approvals RoHS, WEEE (2012/19/EU), REACH, UL, UKCA, IEC, CCC, EAC, CE

COO (Country of Origin):: DE

Siemens 3RU Series Overload Relay, 3.5 to 5A FLC Motor Rating, 3-Pole Configuration - 3RU2116-1FB0

This overload relay is essential for protecting motors by preventing overheating and damage. Designed for industrial use, it monitors and controls motor systems effectively. Its automatic and manual reset features ensure reliable operation, enhancing motor efficiency.

Features & Benefits

• Thermal design provides effective motor protection against overloads

• AC voltage rating up to 690V ensures versatile application

• Automatic reset feature allows for quick recovery after an overload

• Convenient screw terminals facilitate installation and connections

• Compact dimensions enable integration into confined spaces

• Dual auxiliary contacts offer diverse signalling options

Applications

• Suitable for 3-phase AC motors requiring precise protection

• Ideal for thermal overload monitoring

• Operable in environments with temperatures from -40°C to +70°C

• Employed in automation for effective motor control

• Used in machinery needing dependable overload safety features

How does this relay reset after an overload event?

The relay resets either automatically or manually, providing quick recovery based on conditions.

What is the suitable current rating range for this device?

It can handle a current rating between 3.5A and 5A, accommodating various motor sizes.

Can this relay be used in high-temperature environments?

Yes, it functions effectively in ambient temperatures up to 70°C, making it fit for various industrial scenarios.

Is there a specific installation position for this device?

There are no mounting position restrictions; it can be installed in any orientation.

What type of wiring connections does it support?

The relay features screw-type terminals for both main and auxiliary circuits, suitable for solid or stranded wires.