Siemens, 3RU Thermal Overload Relay 1 NO/1 NC, 14 to 20 A F.L.C, 20 A Contact Rating, 7.5 kW 3

RS Stock No.:: 706-1664
Distrelec Article No.:: 136-23-078
Mfr. Part No.:: 3RU2126-4BB0
Manufacturer:: Siemens

Siemens, 3RU Thermal Overload Relay 1 NO/1 NC, 14 to 20 A F.L.C, 20 A Contact Rating, 7.5 kW 3

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PHP2,548.22

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PHP2,854.01

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Units	Per Unit
1 - 4	PHP2,548.22
5 +	PHP2,471.77

*price indicative

RS Stock No.:: 706-1664
Distrelec Article No.:: 136-23-078
Mfr. Part No.:: 3RU2126-4BB0
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	14 to 20 A
	Relay Contact Current	20 A
	Mount Type	Direct
	Series	3RU
	Power Rating	7.5kW
	Pole and Throw Configuration	3
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP20
	Reset Method	Automatic & Manual
	Adjustable Current Range	14 to 20 A
	Number of Auxiliary Contacts	2
	Width	45 mm
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	70°C
	Contact Voltage	690V ac
	Length	87mm
	Depth	85mm
	Standards/Approvals	IEC 65029, IEC 81346-2, UL Approved, CSA Approved, EAC Approved, IEC 60068-2-27, IEC 61508, CCC approved, CE Approved

	Select all
	Brand Siemens
	Product Type Thermal Overload Relay
	FLC Motor Rating 14 to 20 A
	Relay Contact Current 20 A
	Mount Type Direct
	Series 3RU
	Power Rating 7.5kW
	Pole and Throw Configuration 3
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP20
	Reset Method Automatic & Manual
	Adjustable Current Range 14 to 20 A
	Number of Auxiliary Contacts 2
	Width 45 mm
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 70°C
	Contact Voltage 690V ac
	Length 87mm
	Depth 85mm
	Standards/Approvals IEC 65029, IEC 81346-2, UL Approved, CSA Approved, EAC Approved, IEC 60068-2-27, IEC 61508, CCC approved, CE Approved

COO (Country of Origin):: DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 20A Contact Current Rating, 7.5kW Power Rating - 3RU2126-4BB0

This thermal overload relay plays a vital role in protecting electrical motors, specifically designed for those operating within a current range of 14 to 20 A. Featuring both automatic and manual reset functions, it helps prevent damage caused by overload situations. Its durable design allows for easy installation directly onto contactors, making it suitable for various automation and electrical machinery applications.

Features & Benefits

• Provides continuous protection for 3-phase motors

• Automatic reset feature enhances operational convenience

• Integrated auxiliary contacts for additional functionality

• Compact dimensions support space-efficient installations

Applications

• Applicable with industrial machinery to ensure operational safety

• Can be integrated into commercial electrical systems

• Commonly used in manufacturing environments for motor protection

What is the installation process for this device?

The device can be installed directly on contactors using screw terminals, ensuring a straightforward setup.

How does the automatic reset feature work?

Upon a fault occurrence, the device disconnects the motor and automatically reconnects once the fault is resolved.

Is this suitable for high current applications?

Yes, it is rated for safe operation with currents up to 20A.

Can it operate in high-temperature environments?

Yes, it performs well within a temperature range of -40 to +70°C.