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Siemens 3RU1126-1DB0 SIRIUS Overload Relay — 2.2-3.2A

Siemens 3RU1126-1DB0 overload relay for motor protection.

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ManufacturerSiemens

Part number3RU1126-1DB0

Current 2.2-3.2 A

Size S0

Class 10

Reset Manual/Automatic

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Motor protection Adjustable current setting Class 10 tripping Manual/Automatic reset Contactor mounting

Product description

The Siemens 3RU1126-1DB0 is a Size S0 overload relay designed for motor protection with a current range of 2.2-3.2 A and Class 10 tripping characteristic. It features screw terminals for both main and auxiliary circuits and supports manual or automatic reset.

This overload relay is suitable for direct mounting onto contactors or for stand-alone installation. It is commonly used in industrial applications for protecting motors against phase failures, overload, and unbalance. Industries include manufacturing, food and beverage, and material handling.

As a veteran-owned surplus parts distributor, Stanlo Automation offers hard-to-find and phased-out components like the 3RU1126-1DB0. We ensure quality and availability for your critical automation needs.

Technical specifications

Current	2.2-3.2 A
Size	S0
Class	10
Reset	Manual/Automatic
Mounting	Contactor
Terminals	Screw

Common applications

Motor control

Pump control

Fan control

Conveyor systems

Industrial machinery

Compatible systems

Siemens 3RT contactors

Also known as

3RU11261DB0 Siemens overload relay S0 SIRIUS overload relay

Replaces / compatible with

This phased-out product's preferred successor is the SIRIUS 3RU2126-1DB0.

Technical note

Expert tip

Ensure proper thermal coordination with the associated contactor to achieve reliable motor protection.

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Frequently asked questions

What is the current range for the Siemens 3RU1126-1DB0 overload relay?

The Siemens 3RU1126-1DB0 overload relay has an adjustable current range of 2.2 to 3.2 Amperes. This allows for precise setting to protect motors within this specific range.