Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 14 → 20 A F.L.C, 20 A Contact Rating, 7.5 kW, 3P, SIRIUS

N° de stock RS:: 706-1664
Numéro d'article Distrelec:: 136-23-078
Référence fabricant:: 3RU2126-4BB0
Fabricant:: Siemens

Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 14 → 20 A F.L.C, 20 A Contact Rating, 7.5 kW, 3P, SIRIUS

Sous-total (1 unité)*

79,69 €

(TVA exclue)

96,42 €

(TVA incluse)

Frais de livraison offerts pour toute commande de plus de 75,00 €

En stock

Plus 4 unité(s) expédiée(s) à partir du 15 décembre 2025
Plus 2 unité(s) expédiée(s) à partir du 15 décembre 2025

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Unité	Prix par unité
1 +	79,69 €

*Prix donné à titre indicatif

N° de stock RS:: 706-1664
Numéro d'article Distrelec:: 136-23-078
Référence fabricant:: 3RU2126-4BB0
Fabricant:: Siemens

Spécifications

Documentation technique

Législations et de normes

Détails du produit

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Sélectionner tout	Attribut	Valeur
	Marque	Siemens
	FLC Motor Rating	14 → 20 A
	Contact Current Rating	20 A
	Range	SIRIUS
	Pole Configuration	3P
	Series	SIRIUS 3RU2
	Mounting Style	Direct Contactor
	Power Rating	7.5 kW
	Normal State Configuration	1NO + 1NC
	Terminal Type	Screw
	Reset Method	Automatic, Manual
	Width	45mm
	Number Of Auxiliary Contacts	2
	Length	87mm
	Depth	85mm
	Maximum Operating Temperature	+70°C
	Minimum Operating Temperature	-40°C
	Operating Temperature Range	-40 → +70 °C
	Contact Voltage Rating	690 V ac

	Sélectionner tout
	Marque Siemens
	FLC Motor Rating 14 → 20 A
	Contact Current Rating 20 A
	Range SIRIUS
	Pole Configuration 3P
	Series SIRIUS 3RU2
	Mounting Style Direct Contactor
	Power Rating 7.5 kW
	Normal State Configuration 1NO + 1NC
	Terminal Type Screw
	Reset Method Automatic, Manual
	Width 45mm
	Number Of Auxiliary Contacts 2
	Length 87mm
	Depth 85mm
	Maximum Operating Temperature +70°C
	Minimum Operating Temperature -40°C
	Operating Temperature Range -40 → +70 °C
	Contact Voltage Rating 690 V ac

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Pays d'origine :: 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.