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

Antal (1 enhet)*

915,14 kr

(exkl. moms)

1 143,92 kr

(inkl. moms)

Add to Basket
välj eller skriv kvantitet
I lager
  • 6 enhet(er) är redo att levereras
  • Plus 4 enhet(er) är redo att levereras från en annan plats
  • Dessutom levereras 11 enhet(er) från den 12 december 2025
Behöver du mer? Ange den kvantitet du behöver och klicka på "Kontrollera leveransdatum"
Enheter
Per enhet
1 +915,14 kr

*vägledande pris

RS-artikelnummer:
706-1664
Distrelec artikelnummer:
136-23-078
Tillv. art.nr:
3RU2126-4BB0
Tillverkare / varumärke:
Siemens
Hitta liknande produkter genom att välja ett eller flera attribut.
Välj alla

Brand

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

Number Of Auxiliary Contacts

2

Width

45mm

Depth

85mm

Length

87mm

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

+70°C

Operating Temperature Range

-40 → +70 °C

Contact Voltage Rating

690 V ac

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.