Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 20A, 25 A F.L.C, 25A Contact Rating, 11 kW 3P

RS Stock No.:: 706-1673
Mfr. Part No.:: 3RU2126-4DB0
Manufacturer:: Siemens

Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 20A, 25 A F.L.C, 25A Contact Rating, 11 kW 3P

Subtotal (1 unit)*

MYR489.46

FREE delivery for orders over RM 500.00

In Stock

Plus 5 unit(s) shipping from 04 May 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per Unit
1 +	MYR489.46

*price indicative

RS Stock No.:: 706-1673
Mfr. Part No.:: 3RU2126-4DB0
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	20, 25A
	Relay Contact Current	25A
	Mount Type	Direct
	Series	SIRIUS 3RU2
	Power Rating	11kW
	Pole and Throw Configuration	3P
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP55, IP65
	Reset Method	Automatic & Manual
	Width	45mm
	Minimum Operating Temperature	-40°C
	Number of Auxiliary Contacts	2
	Adjustable Current Range	20 to 25 A
	Length	85mm
	Maximum Operating Temperature	70°C
	Contact Voltage	690V ac
	Depth	85mm
	Standards/Approvals	UL, CE, EAC, REACH, IEC, CCC, WEEE (2012/19/EU), RoHS, UKCA

	Select all
	Brand Siemens
	Product Type Thermal Overload Relay
	FLC Motor Rating 20, 25A
	Relay Contact Current 25A
	Mount Type Direct
	Series SIRIUS 3RU2
	Power Rating 11kW
	Pole and Throw Configuration 3P
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP55, IP65
	Reset Method Automatic & Manual
	Width 45mm
	Minimum Operating Temperature -40°C
	Number of Auxiliary Contacts 2
	Adjustable Current Range 20 to 25 A
	Length 85mm
	Maximum Operating Temperature 70°C
	Contact Voltage 690V ac
	Depth 85mm
	Standards/Approvals UL, CE, EAC, REACH, IEC, CCC, WEEE (2012/19/EU), RoHS, UKCA

Siemens Thermal Overload Relay, 1NO + 1NC Normal State Configuration, Screw Terminal - 3RU2126-4DB0

This thermal overload relay is designed for effective motor protection with a contact current rating of 25A. It operates within a temperature range of -40 to +70°C and can be mounted directly onto the contactor. With dimensions of 85mm x 85mm x 85mm, it fits well in compact spaces, ensuring safety and performance.

Features & Benefits

• Manual and automatic reset options provide flexibility

• Thermal overload releases ensure reliable motor protection

• 690V AC capability for high voltage applications

• Compact design allows for easy integration in control systems

• Efficient power loss management for energy savings

• Integrated contact configuration supports comprehensive monitoring

Applications

• Motor protection in manufacturing equipment

• Suitable for assembly lines requiring motor control

• Ideal for robotic systems needing overload protection

• Employed in HVAC systems for motor safety

Can it handle a maximum operating temperature of +70°C?

Yes, it operates effectively up to +70°C.

Will it provide protection in high humidity conditions?

Yes, it functions within relative humidity levels of 10 to 95%.

Is it compatible with both direct mounting and screw terminals?

Yes, the relay supports direct mounting and has screw terminals.

Can the relay be used in a three-phase AC motor application?

Yes, it is suitable for three-phase AC motor systems with a rating of 25A.

Does it require specific installation heights?

No, it can be installed at a maximum altitude of 2000m.