Siemens Overload Relay NO/NC, 2.8 → 4 A, 4 A, 3 kW

Enrgtech Part No: ET14019228
|
Manufacturer Part No:
3RU2126-1EB0
|
Manufacturer: Siemens

3RU2126-1EB0 Siemens Overload Relay NO/NC, 2.8 → 4 A, 4 A, 3 kW

Product Information

Reset Method:

Automatic, Manual

Normal State Configuration:

1NO + 1NC

Pole Configuration:

Operating Temperature Range:

-40 → +70 °C

Contact Current Rating:

4 A

Series:

SIRIUS 3RU2

Minimum Operating Temperature:

-40°C

Length:

87mm

Mounting Style:

Direct Contactor

Width:

45mm

Depth:

73mm

Number Of Auxiliary Contacts:

Checking for live stock

The Siemens 3RU2126-1EB0 Overload Relay is engineered to provide reliable motor protection across a wide range of industrial applications. Part of the SIRIUS 3RU2 series, it combines automatic and manual reset options with a compact 3-pole design for seamless integration directly onto contactors. Rated for 2.8–4 A full-load current and up to 3 kW motor power, it ensures precise trip performance even under extreme temperatures from –40 °C to +70 °C. Built with robust screw terminals and a 1NO + 1NC contact configuration, this overload relay delivers consistent, long-term operation to safeguard your equipment and minimise downtime.

Why Choose Siemens Overload Relay?

With its proven SIRIUS design pedigree, the 3RU2126-1EB0 offers unparalleled flexibility and durability. The dual reset modes let you select the ideal recovery method for your process, while the broad operating temperature range guarantees stability in harsh environments. Direct-mount compatibility reduces installation time, and the precision-engineered contacts deliver reliable protection for motors up to 3 kW. Whether you’re upgrading existing control panels or designing new systems, this overload relay brings Siemens’ world-class quality to your setup.

Product Key Features Include:

Automatic and manual reset methods for tailored recovery options
1 NO + 1 NC auxiliary contact configuration for status monitoring
3-pole construction with screw terminals for secure, space-efficient mounting
Full-load current range of 2.8 – 4 A to match diverse motor sizes
Power rating of 3 kW at 690 V AC for high-performance applications
Operating temperature from –40 °C to +70 °C to withstand extreme conditions
Part of the SIRIUS 3RU2 series, ensuring seamless integration and proven reliability
Direct mounting onto contactors for quick and easy installation
Precision trip characteristics to protect motors and reduce unplanned downtime.

Datasheet_3RU2126-1EB0(Technical Reference)

Siemens Sirius Migration(Technical Reference)

Switching Devices for Load Feeders(Technical Reference)

Solutions for frequent switching or soft starting(Technical Reference)

Sirius Innovations Switching Devices(Technical Reference)

Sirius Innovation Accessory Guide(Technical Reference)

Sirius Innovation Catalogue(Technical Reference)

Environmental Product Declaration(Technical Reference)

Basic Information(Technical Reference)

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FAQs

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You can order Siemens brand products with 3RU2126-1EB0 directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.

Yes. Our products in Contactor Overload Relays category are shipped in lowest possible time.

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