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Siemens 3RU1126-4DB0 SIRIUS Overload Relay — 20-25A

Siemens 3RU1126-4DB0 overload relay for motor protection.

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ManufacturerSiemens

Part number3RU1126-4DB0

Current 20-25 A

Size S0

Class 10

Reset Manual/Automatic

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Motor overload protection Adjustable current setting Class 10 trip class Manual and automatic reset Contactor mountable

Product description

The Siemens 3RU1126-4DB0 is a Size S0 overload relay designed for motor protection, with an adjustable current range of 20-25 A and a Class 10 tripping characteristic. It features screw terminals for main and auxiliary circuits and offers manual or automatic reset functionality.

This relay is intended for direct mounting onto compatible Siemens contactors or for stand-alone installations, providing essential protection for motors in a wide array of industrial applications. It's suitable for use in heavy machinery, manufacturing lines, and processing plants.

As a veteran-owned surplus parts distributor, Stanlo Automation is committed to providing reliable access to discontinued and essential automation components. Procure your Siemens 3RU1126-4DB0 and other hard-to-find parts from us to maintain operational efficiency.

Technical specifications

Current	20-25 A
Size	S0
Class	10
Reset	Manual/Automatic
Mounting	Contactor
Terminals	Screw

Common applications

Industrial motor control

Material handling

Manufacturing equipment

Pump applications

Large fan systems

Compatible systems

Siemens 3RT contactors

Also known as

3RU11264DB0 Siemens S0 overload relay 25A SIRIUS 3RU1126 relay

Replaces / compatible with

This phased-out product's preferred successor is the SIRIUS 3RU2126-4DB0.

Technical note

Expert tip

For optimal performance and to prevent nuisance tripping, ensure the ambient temperature in the mounting location is within the relay's specified operating range.

What happens next?

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Frequently asked questions

What reset options are available for the Siemens 3RU1126-4DB0 overload relay?

The Siemens 3RU1126-4DB0 overload relay supports both manual and automatic reset functions. This flexibility allows users to choose the reset method that best suits the safety and operational requirements of their specific application.