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Siemens 3RU1126-4AB0 SIRIUS Overload Relay — 11-16A

Siemens 3RU1126-4AB0 overload relay for motor protection.

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ManufacturerSiemens

Part number3RU1126-4AB0

Current 11-16 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 3RU1126-4AB0 is a Size S0 overload relay for motor protection, featuring an adjustable current range of 11-16 A and a Class 10 tripping characteristic. It utilizes screw terminals for both main and auxiliary circuits and offers manual or automatic reset functionality.

This relay is designed for direct mounting onto compatible Siemens contactors or for stand-alone installation, providing reliable protection for medium to large motors in industrial applications. It's suitable for use in HVAC, material handling, and manufacturing equipment.

As a veteran-owned surplus distributor, Stanlo Automation specializes in providing access to obsolete and in-demand industrial automation parts, including the Siemens 3RU1126-4AB0. We help ensure your operations run smoothly with a reliable supply chain.

Technical specifications

Current	11-16 A
Size	S0
Class	10
Reset	Manual/Automatic
Mounting	Contactor
Terminals	Screw

Common applications

Industrial motor control

Pump stations

Fan units

Conveyor systems

Manufacturing machinery

Compatible systems

Siemens 3RT contactors

Also known as

3RU11264AB0 Siemens S0 overload relay 16A SIRIUS motor protection

Replaces / compatible with

This phased-out product's preferred successor is the SIRIUS 3RU2126-4AB0.

Technical note

Expert tip

When used for stand-alone mounting, ensure the relay is installed in an environment with adequate ambient temperature compensation.

What happens next?

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Frequently asked questions

What is the trip class rating of the Siemens 3RU1126-4AB0 overload relay?

The Siemens 3RU1126-4AB0 overload relay has a trip class rating of 10. This means it will trip within 10 seconds when operating at 7 times its set current, ensuring timely protection against severe overloads.