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Siemens 3RU2136-4DB0 SIRIUS Thermal Overload Relay - 18-25A

Siemens 3RU2136-4DB0 Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3RU2136-4DB0

Adjustable Current 18-25 A

Size S2

Class 10

Mounting Contactor

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Thermal overload protection Phase failure sensitivity Manual or automatic reset Contactor mounting Class 10 tripping Screw terminals

Product description

The Siemens 3RU2136-4DB0 is a thermal overload relay engineered for reliable motor protection. It offers an adjustable current range from 18 to 25 Amps and adheres to Class 10 tripping standards, providing critical defense against overloads and phase failures. This model is designed for direct mounting onto contactors, featuring screw terminals for the main circuit and screw terminals for the auxiliary circuit, with manual or automatic reset capabilities.

This overload relay is essential for a wide range of industrial applications, including motor control centers, pump systems, and general machinery. Its dependable performance and compatibility with Siemens 3RT2 size S2 contactors ensure seamless integration into automation systems.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 3RU2136-4DB0. We are dedicated to providing quality surplus components and exceptional service to meet your operational needs.

Technical specifications

Adjustable Current	18-25 A
Size	S2
Class	10
Mounting	Contactor
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw
Reset	Manual/Automatic
Max Rated Operation Voltage	690 V AC

Common applications

Motor control centers

Pump systems

Industrial machinery

Fan control

Compressor protection

Compatible systems

Siemens 3RT2 Size S2 Contactors

Also known as

Siemens SIRIUS 3RU2136-4DB0 3RU21364DB0 Motor overload relay S2

Replaces / compatible with

This overload relay is designed for direct mounting onto Siemens 3RT2 size S2 contactors.

Technical note

Expert tip

This relay is equipped with a test function and a stop button, facilitating safe operational checks and maintenance.

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Frequently asked questions

What is the reset function for the Siemens 3RU2136-4DB0 overload relay?

The Siemens 3RU2136-4DB0 overload relay supports both manual and automatic reset functions. This offers flexibility in how the relay is reset after a trip event.